5 Astraea (Asteroid)
From South El Monte , 5 Astraea is not observable – it will reach its highest point in the sky during daytime and is no higher than 15° above the horizon at dusk.
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Name
5 Astraea
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Object type
Asteroid
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| Computed for: | 21 November 2025 |
| Right ascension: | 18h26m [1] |
| Declination: | −20°54' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 12.88 (V) [1] |
| Distance: | 3.67 AU 30.55 lightmin [1] |
| Angular motion (speed): | 8.65 arcmin/day[1] |
| Angular motion (pos ang): | 271.3° |
| Semi-major axis: | 2.58 AU |
| Eccentricity: | 0.187408 |
| Inclination: | 5.36° |
| Longitude ascending node: | 141.46° |
| Argument of perihelion: | 359.29° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 62.45° |
| Absolute mag (H): | 6.99 [1] |
| Slope parameter (G): | 0.15 [1] |
| Perihelion: | 2.09 AU |
| Aphelion: | 3.06 AU |
| Orbital period: | 4.14 years |
All times shown in South El Monte local time.
| 06 Dec 2027 | – Asteroid 5 Astraea at opposition |
| 14 Apr 2037 | – Asteroid 5 Astraea at opposition |
| 22 Mar 2041 | – Asteroid 5 Astraea at opposition |
| 25 Feb 2045 | – Asteroid 5 Astraea at opposition |
| 30 Jan 2049 | – Asteroid 5 Astraea at opposition |