Planets TonightMars in 2010: brightness, position and events
Brightest-1.3around Feb 1
Closest (in table)0.666 au100 million km
Farthest2.374 au
Events this year1
Brightest last year-0.4
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 2010-01-30 04:42 | Opposition | -1.3 | 0.664 | Cancer | 175.5° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | -0.8 | 0.738 | Leo | 142° W | Morning sky |
| Jan 15 | -1.1 | 0.682 | Cancer | 159° W | Most of the night |
| Feb 1 | -1.3 | 0.666 | Cancer | 174° E | Most of the night |
| Feb 15 | -1.0 | 0.701 | Cancer | 157° E | Most of the night |
| Mar 1 | -0.6 | 0.774 | Cancer | 140° E | Evening sky |
| Mar 15 | -0.2 | 0.874 | Cancer | 126° E | Evening sky |
| Apr 1 | +0.2 | 1.016 | Cancer | 112° E | Evening sky |
| Apr 15 | +0.5 | 1.142 | Cancer | 102° E | Evening sky |
| May 1 | +0.7 | 1.288 | Cancer | 92° E | Evening sky |
| May 15 | +0.9 | 1.413 | Leo | 84° E | Evening sky |
| Jun 1 | +1.1 | 1.560 | Leo | 76° E | Evening sky |
| Jun 15 | +1.2 | 1.673 | Leo | 70° E | Evening sky |
| Jul 1 | +1.4 | 1.794 | Leo | 64° E | Evening sky |
| Jul 15 | +1.4 | 1.890 | Leo | 58° E | Evening sky |
| Aug 1 | +1.5 | 1.994 | Virgo | 52° E | Evening sky |
| Aug 15 | +1.5 | 2.070 | Virgo | 48° E | Evening sky |
| Sep 1 | +1.5 | 2.150 | Virgo | 42° E | Evening sky |
| Sep 15 | +1.5 | 2.205 | Virgo | 38° E | Evening sky |
| Oct 1 | +1.5 | 2.258 | Libra | 33° E | Evening sky |
| Oct 15 | +1.5 | 2.295 | Libra | 29° E | Evening sky |
| Nov 1 | +1.4 | 2.329 | Scorpius | 24° E | Evening sky |
| Nov 15 | +1.4 | 2.350 | Ophiuchus | 20° E | Evening sky |
| Dec 1 | +1.3 | 2.366 | Ophiuchus | 16° E | Evening sky |
| Dec 15 | +1.2 | 2.374 | Sagittarius | 12° E | Too close to the Sun |
Computed with the JPL DE421 ephemeris and Skyfield (times in JST). Magnitude and distance are for 12:00 JST on each date. Visibility is a rough guide for mid-northern latitudes such as Japan.
About this page
Mars is brightest around February 2010 (magnitude -1.3); 1 conjunctions, oppositions or elongations occur this year.