Close approach of Mars and Moon on 2 October 2027 at 21:52
General information
The closest separation between Mars and Moon will occur on 2 October 2027 at 21:52, when they will be separated by roughly 4.364°. Both objects will be below the horizon and cannot be observed.
Visibility window
The event begins when the separation drops below 6° at about 14:05, and ends when it grows beyond 6° at about 05:45. The objects can be followed during this interval when observing conditions permit.Elevation and direction at closest approach
At closest approach, Mars and Moon will be approximately -41° above the horizon toward the west.Constellation
Both objects will be located in or near the constellation Libra. This can help you locate them in the sky.Track Mars / Moon relative positions
| Time | 1822546320 |
| Altitude | |
| Azimuth |
Move the map to change the time and follow how the objects change position in the sky.
Close approach dynamics
The map shows the event from your location. Switch to global view for geocentric (Earth-centered) coordinates.
Close approach details
| Mars | Moon | |
|---|---|---|
| Time | 21:52 | |
| Angular separation (°) | 4.36 | |
| Geocentric coordinates | RA: 15h 13m 52s", Dec: -18° 36' 53s | RA: 15h 09m 14s", Dec: -22° 50' 33s |
| Topocentric coordinates | RA: 15h 13m 52s", Dec: -18° 36' 55s | RA: 15h 06m 34s", Dec: -23° 11' 59s |
| Distance | 2.0824 AU (311,522,606 km) | 0.00256 AU (382,971 km) |
| Angular size | 4.5" | 31' |
| Altitude (°) | -38 | -42 |
| Azimuth (°) | 275 West | 271 West |