Asteroid-Asteroid Appulses - 2026 September

All dates and times are Universal Time
Positions are geocentric J2000 and include planetary perturbations
The first asteroid in the pair is the brighter of the two
Separations are in arcseconds, Position Angle is from the brighter asteroid to the fainter
Calculations by Brian D. Warner
 
Asteroid < mag 16; Elong from Sun > 45 degrees 

Ast 1 :  Asteroid 1 Number
Name 1:  Asteroid 1 Name
Ast 2 :  Asteroid 2 Number
Name 2:  Asteroid 2 Name
RA:      Asteroid 1 RA
Dec:     Asteroid 1 Declination
Mag 1:   Asteroid 1 V magnitude
Mag 2:   Asteroid 2 V magnitude
Sep:     Separation, arcsec
PA:      Position Angle, Ast 1 to Ast 2
         0 = North, 90 = East, 180 = South, 270 = West
SE:      Angular separation between Sun and Ast 1
ME:      Angular separation between Moon and Ast 1
MP:      Moon Phase
         0 = New, 0.5 = Quarter, 1 = Full. + = Waxing; – = Waning


Date     UT    Ast1     Name1                 Ast2     Name2                      RA            Dec     Mag1  Mag2  Sep  PA   SE   ME     MP  
-------------------------------------------------------------------------------------------------------------------------------------------------
09 01   07:55     1025  Riema                    3605  Davy                     22 26.35     -03 48.43  14.5  15.8   70   98  174   62  -0.750
09 01   23:44     1331  Solvejg                 23687  1997 JA11                22 23.98     -13 04.37  14.0  16.0  130  285  171   91  -0.563
09 02   10:15      784  Pickeringia              1189  Terentia                 04 23.29     +29 42.82  15.8  15.1  246  352   92    6  -0.563
09 02   13:13     3961  Arthurcox                6475  Refugium                 00 16.30     +16 29.90  15.8  15.3  108  150  150   78  -0.363
09 06   03:54      714  Ulula                    1042  Amazone                  04 50.32     +23 33.05  13.8  15.7  128  130   90   43  -0.162
09 06   09:45      906  Repsolda                 2151  Hadwiger                 00 45.88     -08 23.47  13.2  14.8  168  336  160  159  +0.066
09 07   13:08     1386  Storeria                15231  Ehdita                   22 46.73     -08 24.83  14.3  16.0   70  100  175  144  -0.122
09 07   14:43     8521  Boulainvilliers         52280  1989 RB                  23 44.83     -13 33.43  16.0  15.5  176  297  168  133  -0.122
09 09   03:02       77  Frigga                    731  Sorga                    14 31.57     -16 44.11  14.6  15.6  279   86   49   29  +0.398
09 09   20:38      839  Valborg                  1321  Majuba                   01 45.68     +23 18.87  14.4  14.5  243  102  137  168  +0.080
09 15   13:56      858  El Djezair               2962  Otto                     04 12.90     +17 22.88  15.8  15.9   38  245  111  150  +0.563
09 15   16:28      558  Carmen                   2316  Jo-Ann                   20 54.60     -17 30.01  13.9  16.0   80   29  138   74  +0.285
09 16   04:34      123  Brunhild                  481  Emita                    16 35.78     -25 54.80  14.8  14.7   41  238   74   48  +0.764
09 16   08:27     4273  Dunhuang                 5404  Uemura                   00 24.22     -02 54.92  15.3  15.3  211  138  169  111  +0.398
09 16   23:24      516  Amherstia                 918  Itha                     01 35.14     +24 43.29  13.5  14.3  227  255  144  112  +0.610
09 17   09:42     2337  Boubin                   3210  Lupishko                 00 34.03     -13 12.22  15.3  15.8  125  133  163   93  +0.516
09 19   08:28       23  Thalia                   4522  Britastra                23 28.60     -19 21.57  11.6  14.9   74  299  160   51  +0.722
09 19   21:03      159  Aemilia                   740  Cantabia                 16 55.47     -18 31.97  14.6  15.1  129  320   74   92  +0.984
09 20   21:11      505  Cava                     6358  Chertok                  02 29.75     -01 47.11  11.9  15.7   62  170  144   61  +0.948
09 22   07:19      358  Apollonia                1590  Tsiolkovskaja            16 32.75     -18 32.69  15.3  15.9   15  186   70   63  +0.842
09 22   15:07     3403  Tammy                   17464  1990 VX1                 00 01.02     +03 54.41  15.2  15.6   91  258  175   11  -0.995
09 23   09:00      552  Sigelinde                5479  Grahamryder              23 10.11     +06 45.84  14.3  15.6  214  286  165   19  +0.948
09 27   13:15      502  Sigune                   2840  Kallavesi                21 46.91     -27 43.45  15.3  16.0   16  268  134   61  -0.984
09 27   14:29      264  Libussa                   347  Pariana                  21 44.74     -29 04.96  12.6  14.0   33   70  128  123  -0.645
09 28   02:20      904  Rockefellia              1547  Nele                     21 40.58     +00 12.62  15.4  14.8  258  129  139   88  -0.822
09 29   22:03       18  Melpomene                  60  Echo                     18 58.10     -19 04.31  10.2  13.9  201  338   96  142  -0.751
09 30   05:45      713  Luscinia                 2892  Filipenko                22 39.61     +03 35.39  13.5  14.6  189  129  152   91  -0.700