81 Terpsichore (Asteroid)
From South El Monte , 81 Terpsichore is visible in the dawn sky, rising at 02:39 (PST) and reaching an altitude of 32° above the south-eastern horizon before fading from view as dawn breaks at around 05:39.
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Name
81 Terpsichore
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Object type
Asteroid
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Current position
| Computed for: | 09 December 2025 |
| Right ascension: | 13h33m [1] |
| Declination: | −11°10' [1] |
| Constellation: | Virgo |
| Magnitude: | 14.94 (V) [1] |
| Distance: | 3.77 AU 31.39 lightmin [1] |
| Angular motion (speed): | 7.43 arcmin/day[1] |
| Angular motion (pos ang): | 299.3° |
Orbital elements [1]
| Semi-major axis: | 2.85 AU |
| Eccentricity: | 0.211961 |
| Inclination: | 7.80° |
| Longitude ascending node: | 0.90° |
| Argument of perihelion: | 51.26° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 57.20° |
| Absolute mag (H): | 8.71 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.25 AU |
| Aphelion: | 3.46 AU |
| Orbital period: | 4.82 years |