121639 1999 VT217 (Asteroid)
From Cambridge , 121639 1999 VT217 will become visible at around 21:06 (EDT), 51° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:56.
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Name
121639 1999 VT217
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Object type
Asteroid
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Current position
| Computed for: | 06 May 2024 |
| Right ascension: | 08h52m [1] |
| Declination: | +19°54' [1] |
| Constellation: | Cancer |
| Magnitude: | 21.08 (V) [1] |
| Distance: | 2.85 AU 23.68 lightmin [1] |
| Angular motion (speed): | 12.35 arcmin/day[1] |
| Angular motion (pos ang): | 284.6° |
Orbital elements [1]
| Semi-major axis: | 3.23 AU |
| Eccentricity: | 0.139250 |
| Inclination: | 2.21° |
| Longitude ascending node: | 68.83° |
| Argument of perihelion: | 28.25° |
| Epoch of elements: | 31 March 2024 |
| Mean Anomaly at epoch: | 34.92° |
| Absolute mag (H): | 15.48 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.78 AU |
| Aphelion: | 3.68 AU |
| Orbital period: | 5.81 years |