101 Helena (Asteroid)

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From South El Monte , 101 Helena is not readily observable since it is very close to the Sun, at a separation of only 8° from it.

Name 101 Helena
Object type Asteroid
Current position
Computed for:08 February 2026
Right ascension:21h01m [1]
Declination:−21°16' [1]
Constellation:Capricornus
Magnitude:13.03 (V) [1]
Distance:3.21 AU
26.73 lightmin [1]
Orbital elements [1]
Semi-major axis:2.58 AU
Eccentricity:0.140522
Inclination:10.19°
Longitude ascending node:343.36°
Argument of perihelion:347.76°
Epoch of elements:21 Nov 2025
Mean Anomaly at epoch:323.65°
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

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