Close approach of Mars and Moon on 4 October 2026 at 21:12
General information
The closest separation between Mars and Moon will occur on 4 October 2026 at 21:12, when they will be separated by roughly 1.09°. Both objects will be below the horizon and cannot be observed.
Visibility window
The event begins when the separation drops below 2° at about 18:12, and ends when it grows beyond 2° at about 00:11. 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 -21° above the horizon toward the north-east.Constellation
Both objects will be located in or near the constellation Cancer. This can help you locate them in the sky.Track Mars / Moon relative positions
| Time | 1791180720 |
| 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 | 21:12 | |
| Angular separation (°) | 1.09 | |
| Geocentric coordinates | RA: 08h 27m 00s", Dec: 20° 16' 34s | RA: 08h 28m 31s", Dec: 21° 18' 24s |
| Topocentric coordinates | RA: 08h 27m 00s", Dec: 20° 16' 30s | RA: 08h 30m 33s", Dec: 20° 31' 57s |
| Distance | 1.6359 AU (244,727,157 km) | 0.00249 AU (372,499 km) |
| Angular size | 5.7" | 32' |
| Altitude (°) | -22 | -22 |
| Azimuth (°) | 39 Northeast | 38 Northeast |