101 Helena (Asteroid)
From South El Monte , 101 Helena is visible in the dawn sky, rising at 23:22 (PDT) and reaching an altitude of 63° above the south-eastern horizon before fading from view as dawn breaks at around 04:50.
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Name
101 Helena
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Object type
Asteroid
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Current position
| Computed for: | 28 July 2026 |
| Right ascension: | 01h37m [1] |
| Declination: | +14°06' [1] |
| Constellation: | Pisces |
| Magnitude: | 12.74 (V) [1] |
| Distance: | 1.89 AU 15.75 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