137338 1999 TH77 (Asteroid)
From South El Monte , 137338 1999 TH77 is not observable – it will reach its highest point in the sky during daytime and is 11° below the horizon at dusk.
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Name
137338 1999 TH77
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Object type
Asteroid
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Current position
| Computed for: | 17 September 2025 |
| Right ascension: | 11h48m [1] |
| Declination: | +02°23' [1] |
| Constellation: | Virgo |
| Magnitude: | 20.48 (V) [1] |
| Distance: | 2.87 AU 23.86 lightmin [1] |
| Angular motion (speed): | 16.50 arcmin/day[1] |
| Angular motion (pos ang): | 296.8° |
Orbital elements [1]
| Semi-major axis: | 2.32 AU |
| Eccentricity: | 0.195238 |
| Inclination: | 3.80° |
| Longitude ascending node: | 24.04° |
| Argument of perihelion: | 154.91° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 293.43° |
| Absolute mag (H): | 16.65 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.87 AU |
| Aphelion: | 2.77 AU |
| Orbital period: | 3.53 years |