The Minor Planet Bulletin
BULLETIN OF THE MINOR PLANETS SECTION OF THE ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS


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The Minor Planet Bulletin is the journal for almost all amateurs and even some professionals for publishing asteroid photometry results, including lightcurves, H-G parameters, color indexes, and shape/spin axis models. It is considered to be a refereed journal by the SAO/NASA ADS. All MPB papers are indexed in the ADS.

Print subscriptions are no longer available to individuals. Institutions (e.g., college libraries) can still obtain print copies via a special subscription. See details in MPB 37-4 or contact the editor, Richard Binzel.

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Please send a check, drawn on a U.S. bank and payable in U.S. funds, to "Minor Planet Bulletin" and send it to:

Derald D. Nye
Minor Planet Bulletin
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Issue 37-4 (2010 Oct-Dec)
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Opportunities for Observations of Minor Planets Having Close Approaches with (1) Ceres, (2) Pallas, (4) Vesta
Pages 51
Kochetova, O.
2000MPBu...27...51K    Download PDF

It is proposed to observe some small minor planets having close approaches with (1) Ceres, (2) Pallas, (4) Vesta during the next two years. These observations can be of use for improving the mass values of these large asteroids.

Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory
Pages 99-101
Krotz, Jonathan; Albers, Kendra; Carbo, Landry; Kragh, Katherine; Meiers, Andrew; Yim, Arnold; Ditteon, Richard
2010MPBu...37...99K    Download PDF

Photometric data for 24 asteroids were collected over 22 nights of observing during 2009 August through November at the Oakley Southern Sky Observatory. The asteroids were: 1654 Bojeva, 2013 Tucape1, 2216 Kerch, 2219 Mannucci, 3045 Alois, 3422 Reid, 3819 Robinson, 5832 Martaprincipe, 5914 Kathywhaler, 6066 Hendricks, 6734 Benzenberg, (7774) 1992 UU2, (9199) 1993 FO1, 10094 Eijikato, 11064 Dogen, 13123 Tyson, (13709) 1998 QE13, (14162) 1998 TV1, (19732) 1999 XF165, (20762) 2000 EE6, (27181) 1999 CX1, (29251) 1992 UH4, (29742) 1999 BQ12, and (55760) 1992 BL1.

Light Curve Analysis of Asteroids from Leura and Kingsgrove Observatory in the First Half of 2009
Pages 135-136
Oey, Julian
2010MPBu...37..135O    Download PDF

Photometric observations of the following asteroids were done from both Kingsgrove and Leura Observatories in the first half of 2009: 31 Euphrosyne (5.529 0.001h); 1729 Beryl (4.8888 0.0003 h); 2965 Surikov (9.061 0.003 h); 4904 Makio (7.830 0.003 h); (11116) 1996 EK (4.401 0.002 h); and (19483) 1998 HA116 (2.7217 0.0008 h).

Minor Planet Bulletin Now Changing to Limited Print Subscriptions
Pages 135
Pilcher, Frederick; Binzel, Richard P.
2010MPBu...37..135P    Download PDF

As announced one year ago (MPB Volume 36, Number 4, page 194), the Minor Planet Bulletin is now evolving to being a "limited print journal." The Minor Planet Bulletin will continue, as at present, to be available "free" in electronic format. However, paid printed and mailed subscriptions will be highly limited. Effective with the next issue [Volume 38, Number 1], printed and mailed subscriptions for the Minor Planet Bulletin will be available only for libraries and major institutions for the purpose of maintaining long-term library archives.

Lightcurve and H-G Parameters for 2004 Lexell
Pages 137-138
Vander Haagen, Gary A.
2010MPBu...37..137V    Download PDF

Lightcurves and absolute photometry near opposition revealed photometric results for 2004 Lexell: P = 5.4429 0.0003 h, A = 0.42 0.03 mag, H = 12.908 0.064 mag, and G = 0.071 0.056.

Lightcurves for 890 Waltraut, 3162 Nostalgia, and 6867 Kuwano
Pages 138
Owings, Larry E.
2010MPBu...37..138O    Download PDF

Lightcurve observations have yielded period determinations for the followings asteroids: 890 Waltraut, 12.581 0.001 h; 3162 Nostalgia, 6.413 0.002 h; and 6867 Kuwano, 7.37 0.01 h.

Lightcurve Analysis of 932 Hooveria
Pages 139
Warner, Brian D.; Sada, Pedro V.; Pollock, J.; Reichart, Daniel; Ivarsen, Ivan; Haislip, Josh; Lacluyze, Aaron; Nysewander, Melissa
2010MPBu...37..139W    Download PDF

CCD observations of the main-belt asteroid 932 Hooveria in 2010 February and March led to a lightcurve with a synodic period of P = 39.15 0.05 h. This contradicted a period of 30 h (Sada, 2004). Re-analysis of the Sada data set gives P = 39.23 0.02 h, putting the two periods in fairly close agreement.

Occultations by 81 Terpsichore and 694 Ekard in 2009 at Different Rotational Phase Angles
Pages 140-142
Timerson, Brad; Durech, J.; Pilcher, F.; Albers, J.; Beard, T.; Berger, B.; Berman, B.; Breit, D.; Case, T.; Collier, D.; Dantowitz, R.; Davies, T.; Desmarais, V.; Dunham, D.; Dunham, J.; Garlitz, J.; Garrett, L.; George, T.; Hill, M.; Hughes, Z.; Jacobson, G.; Kozubal, M.; Liu, Y.; Maley, P.; Morgan, W.; Morris, P.; Mroz, G.; Pool, S.; Preston, S.; Shelton, R.; Welch, S.; Westfall, J.; Whitman, A.; Wiggins, P.
2010MPBu...37..140T    Download PDF

During 2009, IOTA observers in North America reported about 250 positive observations for 94 asteroidal occultation events. For two asteroids this included observations of multiple chords on two different dates which allowed well-defined profiles to be obtained at different rotational phase angles. Occultations by 81 Terpsichore on 2009 November 19 and 2009 December 25 yielded best-fit ellipses of 134.0 x 108.9 km and 123.6 x 112.2 km, respectively. Observations of 694 Ekard on 2009 September 23 and 2009 November 8 yielded fitted ellipses of 124.9 x 88.0 km and 88.5 x 104.0 km, respectively.

Period Determination for 4191 Assesse
Pages 14--2-143
Alvarez, Eduardo Manuel
2010MPBu...37..142A    Download PDF

Lightcurve analysis for 4191 Assesse was performed from observations during its 2010 opposition. The synodic rotation period was found to be 5.6489 0.0003 h and the lightcurve amplitude was 0.70 0.09 mag. Lightcurve analysis for 4191 Assesse was performed from observations during its 2010 opposition. The synodic rotation period was found to be 5.6489 0.0003 h and the lightcurve amplitude was 0.70 0.09 mag.

Lightcurve Analysis of 188 Menippe
Pages 143-144
Warner, Brian D.; Higgins, David
2010MPBu...37..143W    Download PDF

CCD observations of the main-belt asteroid 188 Menippe at the Palmer Divide and Hunters Hill Observatories found a synodic rotation rate of 11.98 0.02 h and lightcurve amplitude of 0.28 0.02 mag.

Rotation Period Determination for 310 Margarita
Pages 144
Pilcher, Frederick; Oey, Julian
2010MPBu...37..144P    Download PDF

A synodic rotation period of 12.069 0.001 h and amplitude 0.15 0.02 mag. have been found for 310 Margarita.

Lightcurve Determination of 2954 Delsemme, 3305 Ceadams and 7476 Ogilsbie
Pages 145
Ferrero, Andrea
2010MPBu...37..145F    Download PDF

CCD photometric observations of three asteroids were obtained and analyzed at the Bigmuskie Observatory, Italy, in 2010 April and May: 2954 Delsemme; 3305 Ceadams; and 7476 Ogilsbie.

Asteroid Lightcurve Analysis at the Via Capote Observatory: 2010 February-May
Pages 146-147
Brinsfield, James W.
2010MPBu...37..146B    Download PDF

Photometric data for eight asteroids were obtained at the Via Capote Observatory from 2010 February through May. Synodic periods from the resulting lightcurves were found for: 1845 Helewalda (7.4 h); 2090 Mizuho (5.47 h); 2297 Daghestan (7.75 h); 2881 Meiden (3.48 h); 4569 Baerbel (2.737 h); 5691 Fredwatson (106.25 h); 11100 Lai (> 5 hrs); and (22295) 1989 SZ9 (3.80 h). Several of these targets had no previously published photometric lightcurve data.

Rotation Period Determinations for 80 Sappho, 145 Adeona, 217 Eudora, 274 Philagoria, 567 Eleutheria,and 826 Henrika
Pages 148-149
Pilcher, Frederick
2010MPBu...37..148P    Download PDF

Synodic rotation periods and amplitudes have been found for: 80 Sappho 14.025 0.001 h, 0.14 0.02 mag; 145 Adeona 15.071 0.001 h, 0.15 0.02 mag; 217 Eudora 25.470 0.05 h, 0.08 0.02 mag; 274 Philagoria 17.938 0.001 h, 0.44 0.03 mag; 567 Eleutheria 7.718 0.001 h, 0.34 0.02 mag; 826 Henrika 5.9846 0.0001 h, 0.25 0.02 mag.

Upon Further Review: II. An Examination of Previous Lightcurve Analysis from the Palmer Divide Observatory
Pages 150-151
Warner, Brian D.
2010MPBu...37..150W    Download PDF

Updated results are given for six asteroids previously reported from the Palmer Divide Observatory. The original images were remeasured to obtain new data sets using the latest version of MPO Canopus photometry software, analysis tools, and revised techniques for linking multiple observing runs covering several days to several weeks. Results that were previously not reported or had significantly different periods and/or amplitudes were found for 1329 Eliane, 1582 Martir, 2023 Asaph, 8041 Masumoto, (26853) 1992 UQ2, and (52387) 1993 OM7. This is the second in a series of papers that examines results obtained during the initial years of the asteroid lightcurve program at PDO.

Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory: 2009 October thru 2010 April
Pages 152-158
Albers, Kenda; Kragh, Katherine; Monnier, Adam; Pligge, Zachary; Stolze, Kellen; West, Josh; Yim, Arnold; Ditteon, Richard
2010MPBu...37..152A    Download PDF

Photometric data for 44 asteroids were collected over 54 nights of observing during 2009 October thru 2010 April at the Oakley Southern Sky Observatory. The asteroids were: 826 Henrika, 918 Itha, 983 Gunila, 1049 Gotho, 1167 Dubiago, 1181 Lilith, 1227 Geranium, 1604 Tombaugh, 1636 Porter, 1826 Miller, 1977 Shura, 2004 Lexell, 2196 Ellicott, 2303 Retsina, 2307 Garuda, 2601 Bologna, 2609 Kiril-Metodi, 2851 Harbin, 2881 Meiden, 3118 Claytonsmith, 3324 Avsyuk, 3640 Gostin, 4207 Chernova, 4536 Drewpinsky, 4838 Billmclaughlin, 5235 Jean-Loup, 5274 Degewij, 5240 Kwasan, (6019) 1991 RO6, 6091 Mitsuru, 6961 Ashitaka, (7111) 1985 QA1, (8228) 1996 YB2, 11017 Billputnam, (13023) 1988 XT1, (14741) 2000 EQ49, 15938 Bohnenblust, 16463 Nayoro, (17633) 1996 JU, (21023) 1989 DK, 21558 Alisonliu, (21594) 1998 VP31, (34459) 2000 SC91, and (189099) 2001 RO.

Lightcurve Analysis of Main Belt Asteroids 185 Eunike, 567 Eleutheria, and 2500 Alascattalo
Pages 158-159
Ruthroff, John C.
2010MPBu...37..158R    Download PDF

Photometric measurements for three main-belt asteroids from 2010 April through yield results: 185 Eunike, P = 11.200.05 h, A = 0.14 0.05 mag. 567 Eleutheria, P = 7.71 0.05 h, A = 0.30 0.05 mag. No reasonable period determination could be made for 2500 Alascattalo, with A < 0.20 mag.

Asteroids Observed from GMARS and Santana Observatories: 2010 April - June
Pages 159-161
Stephens, Robert D.
2010MPBu...37..159S    Download PDF

Lightcurves for five asteroids were obtained from Santana and GMARS Observatories from 2010 April to June: 824 Anastasia, 869 Mellena, 996 Hilaritas, 1451 Grano, and 2114 Wallenquist.

Asteroid Lightcurve Analysis at the Palmer Divide Observatory: 2010 March - June
Pages 161-165
Warner, Brian D.
2010MPBu...37..161W    Download PDF

Lightcurves for 19 asteroids were obtained at the Palmer Divide Observatory (PDO) from 2010 March through June: 413 Edburga, 2204 Lyyli, 2449 Kenos, 3225 Hoag, 3416 Dorrit, 3483 Svetlov, 3800 Karayusuf, 4461 Sayama, 4713 Steel, 5081 Sanguin, 5427 Jensmartin, 5641 McCleese, 6249 Jennifer, 6635 Zuber, 6911 Nancygreen, (29147) 1988 GG, (30856) 1991 XE, (48147) 2001 FO160, and (103501) 2000 AT245.

The Lightcurve of Near-Earth Asteroid 2010 NR1
Pages 165-166
Farmer, Steve E., Jr.
2010MPBu...37..165F    Download PDF

A lightcurve for the newly-discovered Near-Earth asteroid 2010 NR1, was obtained from Tzec Maun Observatory in Moorook, South Australia (MPC Code D96) from a single night's observations on 2010 July 10. An approximate period of 0.89 h was found along with an amplitude of 1.8 mag, indicating a very-elongated body.

Rotation Period Determination for 2375 Radek
Pages 166
Benishek, Vladimir; Pilcher, Frederick
2010MPBu...37..166B    Download PDF

A synodic rotation period of 16.875 0.001 h and amplitude of 0.20 0.01 mag were determined for the asteroid 2375 Radek from unfiltered CCD photometric observations carried out at two locations, Belgrade, Serbia, and Las Cruces, NM, USA.

New Lightcurves of 40 Harmonia and 105 Artemis
Pages 167
Pilcher, Frederick
2010MPBu...37..167P    Download PDF

Lightcurves obtained 2010 May to July yield synodic rotation periods and amplitudes for: 40 Harmonia 8.909 0.001 h, 0.18 0.01 mag; and 105 Artemis 37.150 0.001 h, 0.16 0.02 mag.

Lightcurve Analysis of 279 Thule
Pages 168-169
Warner, Brian D.; Harris, Alan W.; Coley, Daniel; Stephens, Robert D.; Allen, Bill; Higgins, David
2010MPBu...37..168W    Download PDF

A campaign involving asteroid observers from the US, Australia, and New Zealand was established to determine the rotation period of the outer main-belt asteroid, 279 Thule. Several conflicting periods had been reported as well as the possibility of the object being binary. Neither this campaign nor one conducted in 2008 by Pravec et al. found evidence of a satellite. We find a period of 15.962 0.003 h. While there is good confidence in the result, despite it contradicting all previous periods, the matter of the asteroid's true rotation period may still be open.

Lightcurve Photometry Opportunities: 2010 October - December
Pages 169-172
Warner, Brian D.; Harris, Alan W.; Pravec, Petr; Durech, Josef; Benner, Lance A. M.
2010MPBu...37..169W    Download PDF

Once again the spotlight is on several near-Earth asteroids (NEAs) for radar support that may present some challenges given their fast sky motion, faintness, and/or proximity to the Sun. For more background on the program details for each of the opportunity lists, refer to previous issues, e.g., Minor Planet Bulletin 36, 188.


copyright©2017 Brian D. Warner. Funding to support this web site is provided by NASA grant NSSC 80NSSC18K0851