101 Helena (Asteroid)
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From South El Monte , 101 Helena is visible in the morning sky, becoming accessible around 23:26, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 04:28, 74° above your southern horizon. It will be lost to dawn twilight around 05:16, 70° above your south-western horizon.
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Name
101 Helena
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Object type
Asteroid
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Current position
| Computed for: | 25 August 2026 |
| Right ascension: | 01h50m [1] |
| Declination: | +18°16' [1] |
| Constellation: | Aries |
| Magnitude: | 12.30 (V) [1] |
| Distance: | 1.61 AU 13.40 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.58 AU |
| Eccentricity: | 0.140431 |
| Inclination: | 10.19° |
| Longitude ascending node: | 343.36° |
| Argument of perihelion: | 347.73° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 11.14° |
| Absolute mag (H): | 8.39 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.22 AU |
| Aphelion: | 2.95 AU |
| Orbital period: | 4.15 years |
Source
Visibility from South El Monte
All times shown in South El Monte local time.