101 Helena (Asteroid)

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From Fairfield , 101 Helena will become visible at around 21:07 (EDT), 56° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 02:26.

Name 101 Helena
Object type Asteroid
Current position
Computed for:04 May 2024
Right ascension:09h24m [1]
Declination:+16°15' [1]
Constellation:Leo
Magnitude:13.93 (V) [1]
Distance:2.69 AU
22.34 lightmin [1]
Angular motion (speed):11.09 arcmin/day[1]
Angular motion (pos ang):298.6°
Orbital elements [1]
Semi-major axis:2.58 AU
Eccentricity:0.140889
Inclination:10.19°
Longitude ascending node:343.37°
Argument of perihelion:347.88°
Epoch of elements:31 March 2024
Mean Anomaly at epoch:181.10°
Absolute mag (H):8.44 [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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