5 Astraea (Asteroid)
Finder chart
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From Cambridge , 5 Astraea is visible in the morning sky, becoming accessible around 02:02, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 04:32, 31° above your southern horizon. It will be lost to dawn twilight around 04:46, 31° above your southern horizon.
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Name
5 Astraea
|
Object type
Asteroid
|
Current position
| Computed for: | 17 April 2025 |
| Right ascension: | 17h31m [1] |
| Declination: | −16°07' [1] |
| Constellation: | Serpens Cauda |
| Magnitude: | 11.42 (V) [1] |
| Distance: | 1.91 AU 15.84 lightmin [1] |
| Angular motion (speed): | 16.67 arcmin/day[1] |
| Angular motion (pos ang): | 277.1° |
Orbital elements [1]
| 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] |
Derived quantities
| Perihelion: | 2.09 AU |
| Aphelion: | 3.06 AU |
| Orbital period: | 4.14 years |
Visibility from Cambridge
All times shown in Cambridge local time.
Events
| 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 |
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