20 Massalia (Asteroid)
From South El Monte , 20 Massalia is visible in the dawn sky, rising at 03:38 (PDT) – 2 hours and 56 minutes before the Sun – and reaching an altitude of 22° above the eastern horizon before fading from view as dawn breaks at around 05:34.
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Name
20 Massalia
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Object type
Asteroid
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Current position
| Computed for: | 17 September 2025 |
| Right ascension: | 09h19m [1] |
| Declination: | +15°05' [1] |
| Constellation: | Cancer |
| Magnitude: | 11.25 (V) [1] |
| Distance: | 2.79 AU 23.19 lightmin [1] |
| Angular motion (speed): | 14.86 arcmin/day[1] |
| Angular motion (pos ang): | 287.5° |
Orbital elements [1]
| Semi-major axis: | 2.41 AU |
| Eccentricity: | 0.143811 |
| Inclination: | 0.71° |
| Longitude ascending node: | 205.98° |
| Argument of perihelion: | 257.40° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 310.74° |
| Absolute mag (H): | 6.54 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.06 AU |
| Aphelion: | 2.75 AU |
| Orbital period: | 3.74 years |
Events
| 21 Mar 2026 | – Asteroid 20 Massalia at opposition |
| 07 Nov 2028 | – Asteroid 20 Massalia at opposition |
| 25 Apr 2030 | – Asteroid 20 Massalia at opposition |
| 25 Dec 2032 | – Asteroid 20 Massalia at opposition |
| 04 Sep 2035 | – Asteroid 20 Massalia at opposition |
| 14 Feb 2037 | – Asteroid 20 Massalia at opposition |
| 07 Oct 2039 | – Asteroid 20 Massalia at opposition |
| 28 Mar 2041 | – Asteroid 20 Massalia at opposition |
Printable finder charts
