MinorPlanet.info


SkyWatch: December 2018

Dates and times are Universal Time
Positions are geocentric J2000
Pluto's position is astrometric, i.e., it accounts for the approx. 6 hour light-time
Elongations are in degrees
Calculations by Brian D. Warner

Location Information for Rise/Set times
Enter Longitude and Latitude in degrees (e.g., 39.1003).
Western/Southern Hemisphere = negative
Enter UTOffset in hours (e.g., 9.5)

Examples: Colo Spgs, CO: –105 +39 -7.0;    Adelaide, Australia =  +138 –34 +9.5)

Longitude   Latitude   UTOffset  

Sun Information


Currently (Wed, 2018 Dec 19 08:42 UT)
RA    17 46 59.0
Dec -23 24 11.2
X -0.049275
Y -0.901565
Z -0.390831
R 0.983868

Local time for sunrise/sunset/twilight
Civil Twilight (CT): Sun 6º below horizon
Nautical Twilight (NT): Sun 12º below horizon
Astronomical Twilight (AT): Sun 18º below horizon

Local
Date
AT
Start
NT
Start
CT
Start
Sun
Rise
Sun
Set
CT
End
NT
End
AT
End
2018 Dec 18   05:3706:1006:4307:1316:3917:0917:4218:15
2018 Dec 19   05:3806:1006:4407:1416:3917:0917:4318:15
2018 Dec 20   05:3806:1106:4407:1416:4017:1017:4318:16

 


Moon Information


Currently (Wed, 2018 Dec 19 08:42 UT)
RA          02 47 44.0
Dec +10 53 41.6
Phase 0.858  (+ = waxing; - = waning)
Parallax 0.964 degrees
Diameter 31.51 arcminutes
Elong (RA) 135E

Local time for moon rise/transit/set (for UT date)
UT DateRiseTransitSet
2018 Dec 1813:3319:5702:35
2018 Dec 1914:0420:4503:40
2018 Dec 2014:3821:3604:48

Phases for 2018

New First Full Last
---------------------------------------------------------------------------------------

Dec 18 2017 06:31 Dec 26 2017 09:21 Jan 02 2018 02:25 Jan 08 2018 22:26
Jan 17 2018 02:18 Jan 24 2018 22:21 Jan 31 2018 13:27 Feb 07 2018 15:55
Feb 15 2018 21:06 Feb 23 2018 08:10 Mar 02 2018 00:52 Mar 09 2018 11:21
Mar 17 2018 13:13 Mar 24 2018 15:36 Mar 31 2018 12:38 Apr 08 2018 07:18
Apr 16 2018 01:58 Apr 22 2018 21:46 Apr 30 2018 00:59 May 08 2018 02:09
May 15 2018 11:49 May 22 2018 03:50 May 29 2018 14:21 Jun 06 2018 18:32
Jun 13 2018 19:44 Jun 20 2018 10:51 Jun 28 2018 04:54 Jul 06 2018 07:52
Jul 13 2018 02:49 Jul 19 2018 19:53 Jul 27 2018 20:21 Aug 04 2018 18:19
Aug 11 2018 09:58 Aug 18 2018 07:49 Aug 26 2018 11:57 Sep 03 2018 02:38
Sep 09 2018 18:02 Sep 16 2018 23:16 Sep 25 2018 02:53 Oct 02 2018 09:46
Oct 09 2018 03:48 Oct 16 2018 18:03 Oct 24 2018 16:46 Oct 31 2018 16:41
Nov 07 2018 16:03 Nov 15 2018 14:55 Nov 23 2018 05:40 Nov 30 2018 00:20
Dec 07 2018 07:21 Dec 15 2018 11:50 Dec 22 2018 17:49 Dec 29 2018 09:35
Jan 06 2019 01:29 Jan 14 2019 06:46 Jan 21 2019 05:17 Jan 27 2019 21:11
Feb 04 2019 21:04 Feb 12 2019 22:27 Feb 19 2019 15:54 Feb 26 2019 11:28

Planet Information


Currently (Wed, 2018 Dec 19 08:42 UT)
Local Rise/Transit/Set times are given at the end of each line
Sun         17 46 59.0   -23 24 11.2       
Opposition 05 46 59.0 +23 24 11.2 180E 16:36 23:54 07:13
Mercury 16 18 42.2 -19 34 29.4 21W 05:37 10:27 15:15
Venus 14 40 11.8 -12 21 24.0 46W 03:31 08:47 14:02
Mars 23 28 28.9 -04 04 06.2 84E 11:43 17:32 23:28
Jupiter 16 28 41.0 -21 08 06.0 18W 05:51 10:35 15:17
Saturn 18 41 44.1 -22 35 24.2 13E 07:59 12:40 17:14
Uranus 01 46 39.1 +10 25 47.7 121E 13:24 19:54 02:25
Neptune 23 01 04.7 -07 20 47.4 77E 11:22 16:58 22:26
Pluto 19 26 16.2 -22 02 33.9 23E 08:40 13:24 17:59

 

Selected Positions for December 2018
                Dec 01 2018                       Dec 16 2018                       Dec 31 2018
-------------------------------------------------------------------------------------------------------------
Sun 16 26 55.8 -21 42 51.8 17 32 35.1 -23 17 14.1 19 48 59.3 -21 04 36.6
Opposition 04 26 55.8 +21 42 51.8 180E 05 32 35.1 +23 17 14.1 180E 07 48 59.3 +21 04 36.6 180E
Mercury 15 53 55.4 -18 17 12.9 8W 16 03 45.2 -18 31 34.1 21W 19 12 03.3 -23 52 24.3 9W
Venus 13 49 13.4 -09 47 32.1 40W 14 29 32.7 -11 42 18.5 45W 16 30 05.8 -18 31 55.4 47W
Mars 22 44 57.6 -09 10 48.1 91E 23 20 40.5 -04 59 44.2 85E 00 36 00.0 +03 53 45.0 75E
Jupiter 16 11 39.4 -20 26 26.5 4W 16 25 40.5 -21 01 15.9 16W 16 53 17.8 -21 55 29.7 41W
Saturn 18 32 49.8 -22 41 46.6 29E 18 40 06.5 -22 36 44.2 16E 18 55 48.9 -22 20 53.9 12W
Uranus 01 48 13.3 +10 34 01.5 140E 01 46 51.7 +10 26 52.4 125E 01 46 12.5 +10 24 18.0 93E
Neptune 23 00 30.0 -07 24 51.7 95E 23 00 55.4 -07 21 49.9 80E 23 03 13.5 -07 06 51.1 49E
Pluto 19 23 56.7 -22 05 36.2 41E 19 25 49.8 -22 03 09.6 26E 19 30 13.4 -21 56 47.0 4W