81 Terpsichore (Asteroid)
From South El Monte , 81 Terpsichore is visible in the evening sky, becoming accessible around 20:55 (PDT), 34° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:38, 40° above your southern horizon. It will continue to be observable until around 01:52, when it sinks below 21° above your south-western horizon.
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Name
81 Terpsichore
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Object type
Asteroid
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Current position
| Computed for: | 17 May 2026 |
| Right ascension: | 13h30m [1] |
| Declination: | −15°54' [1] |
| Constellation: | Virgo |
| Magnitude: | 13.93 (V) [1] |
| Distance: | 2.50 AU 20.81 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.85 AU |
| Eccentricity: | 0.211771 |
| Inclination: | 7.80° |
| Longitude ascending node: | 0.90° |
| Argument of perihelion: | 51.22° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 118.67° |
| Absolute mag (H): | 8.69 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.25 AU |
| Aphelion: | 3.46 AU |
| Orbital period: | 4.82 years |