404 Arsinoe (Asteroid)

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From South El Monte , 404 Arsinoe is not observable – it will reach its highest point in the sky during daytime and is 6° below the horizon at dawn.

Name 404 Arsinoe
Object type Asteroid
Current position
Computed for:20 May 2026
Right ascension:02h16m [1]
Declination:+02°48' [1]
Constellation:Cetus
Magnitude:15.15 (V) [1]
Distance:3.96 AU
32.95 lightmin [1]
Orbital elements [1]
Semi-major axis:2.59 AU
Eccentricity:0.201610
Inclination:14.10°
Longitude ascending node:92.47°
Argument of perihelion:120.51°
Epoch of elements:21 Nov 2025
Mean Anomaly at epoch:123.87°
Absolute mag (H):9.10 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:2.07 AU
Aphelion:3.11 AU
Orbital period:4.17 years

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