MinorPlanet.info


SkyWatch: January 2021

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, 2021 Jan 20 13:32 UT)
RA    20 10 14.7
Dec -20 04 13.6
X 0.498400
Y -0.778467
Z -0.337467
R 0.984022

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
2021 Jan 19   05:4006:1206:4407:1317:0717:3618:0818:40
2021 Jan 20   05:3906:1106:4407:1217:0817:3718:0918:41
2021 Jan 21   05:3906:1106:4307:1217:0917:3818:1018:42

 


Moon Information


Currently (Wed, 2021 Jan 20 13:32 UT)
RA          01 47 25.7
Dec +06 43 38.5
Phase 0.474  (+ = waxing; - = waning)
Parallax 0.905 degrees
Diameter 29.60 arcminutes
Elong (RA) 84E

Local time for moon rise/transit/set (for UT date)
UT DateRiseTransitSet
2021 Jan 1911:0517:2400:18
2021 Jan 2011:0517:2423:55
2021 Jan 2111:2918:0400:53

Phases for 2021

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

Dec 14 2020 16:17 Dec 21 2020 23:42 Dec 30 2020 03:29 Jan 06 2021 09:38
Jan 13 2021 05:01 Jan 20 2021 21:02 Jan 28 2021 19:17 Feb 04 2021 17:38
Feb 11 2021 19:06 Feb 19 2021 18:48 Feb 27 2021 08:18 Mar 06 2021 01:31
Mar 13 2021 10:21 Mar 21 2021 14:41 Mar 28 2021 18:48 Apr 04 2021 10:03
Apr 12 2021 02:31 Apr 20 2021 07:00 Apr 27 2021 03:32 May 03 2021 19:51
May 11 2021 19:00 May 19 2021 19:13 May 26 2021 11:14 Jun 02 2021 07:25
Jun 10 2021 10:52 Jun 18 2021 03:55 Jun 24 2021 18:39 Jul 01 2021 21:11
Jul 10 2021 01:17 Jul 17 2021 10:12 Jul 24 2021 02:37 Jul 31 2021 13:17
Aug 08 2021 13:50 Aug 15 2021 15:20 Aug 22 2021 12:02 Aug 30 2021 07:14
Sep 07 2021 00:52 Sep 13 2021 20:40 Sep 20 2021 23:55 Sep 29 2021 01:58
Oct 06 2021 11:06 Oct 13 2021 03:26 Oct 20 2021 14:57 Oct 28 2021 20:06
Nov 04 2021 21:15 Nov 11 2021 12:47 Nov 19 2021 08:58 Nov 27 2021 12:28
Dec 04 2021 07:44 Dec 11 2021 01:36 Dec 19 2021 04:36 Dec 27 2021 02:24
Jan 02 2022 18:34 Jan 09 2022 18:12 Jan 17 2022 23:49 Jan 25 2022 13:42
Feb 01 2022 05:47 Feb 08 2022 13:51 Feb 16 2022 16:58 Feb 23 2022 22:33

Planet Information


Currently (Wed, 2021 Jan 20 13:32 UT)
Local Rise/Transit/Set times are given at the end of each line
Sun         20 10 14.7   -20 04 13.6       
Opposition 08 10 14.7 +20 04 13.6 180E 17:02 00:08 07:14
Mercury 21 24 04.7 -16 08 09.3 18E 08:19 13:23 18:29
Venus 19 03 21.5 -22 48 28.1 16W 06:25 11:02 15:40
Mars 02 14 12.3 +14 42 51.7 96E 11:28 18:13 00:59
Jupiter 20 38 19.8 -19 00 14.4 7E 07:35 12:30 17:21
Saturn 20 24 09.0 -19 44 18.2 3E 07:22 12:14 17:01
Uranus 02 17 05.3 +13 15 05.1 96E 11:37 18:17 00:57
Neptune 23 19 55.1 -05 28 50.9 48E 09:26 15:09 20:44
Pluto 19 46 48.0 -22 24 46.8 6W 06:55 11:36 16:11

 

Selected Positions for January 2021
                Jan 01 2021                       Jan 16 2021                       Jan 31 2021
-------------------------------------------------------------------------------------------------------------
Sun 18 45 39.8 -23 01 17.6 19 51 04.0 -20 59 10.0 21 57 47.2 -12 25 39.2
Opposition 06 45 39.8 +23 01 17.6 180E 07 51 04.0 +20 59 10.0 180E 09 57 47.2 +12 25 39.2 180E
Mercury 19 16 47.1 -24 23 09.3 7E 20 58 44.7 -18 42 45.3 16E 20 55 19.8 -14 03 45.1 15W
Venus 17 17 16.3 -22 24 48.4 20W 18 38 52.3 -23 06 54.8 17W 21 22 15.8 -16 32 50.0 10W
Mars 01 39 12.7 +11 14 27.9 107E 02 05 32.9 +13 54 28.1 98E 03 10 38.6 +19 12 22.0 83E
Jupiter 20 19 34.7 -20 04 34.7 22E 20 33 58.2 -19 15 52.8 10E 21 03 48.6 -17 20 56.6 14W
Saturn 20 14 40.2 -20 14 12.9 21E 20 21 56.1 -19 51 27.6 7E 20 37 00.5 -19 00 50.5 21W
Uranus 02 17 20.1 +13 15 43.0 116E 02 17 01.9 +13 14 38.8 101E 02 18 47.7 +13 24 33.3 70E
Neptune 23 18 15.1 -05 39 54.5 68E 23 19 28.6 -05 31 45.1 53E 23 23 03.1 -05 08 31.9 22E
Pluto 19 44 01.7 -22 29 58.1 13E 19 46 09.4 -22 25 58.6 2W 19 50 23.4 -22 18 16.1 32W