147 Protogeneia (Asteroid)

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From South El Monte , 147 Protogeneia will become visible at around 17:51 (PST), 36° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:00.

Name 147 Protogeneia
Object type Asteroid
Current position
Computed for:12 November 2025
Right ascension:20h24m [1]
Declination:−17°29' [1]
Constellation:Capricornus
Magnitude:14.66 (V) [1]
Distance:3.19 AU
26.55 lightmin [1]
Angular motion (speed):10.08 arcmin/day[1]
Angular motion (pos ang):255.3°
Orbital elements [1]
Semi-major axis:3.14 AU
Eccentricity:0.022253
Inclination:1.93°
Longitude ascending node:248.21°
Argument of perihelion:103.48°
Epoch of elements:25 January 2025
Mean Anomaly at epoch:280.07°
Absolute mag (H):8.76 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:3.07 AU
Aphelion:3.21 AU
Orbital period:5.56 years

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