404 Arsinoe (Asteroid)
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From South El Monte , 404 Arsinoe is visible in the dawn sky, rising at 23:41 (PDT) and reaching an altitude of 35° above the southern horizon before fading from view as dawn breaks at around 04:40.
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Name
404 Arsinoe
|
Object type
Asteroid
|
Current position
| Computed for: | 16 July 2025 |
| Right ascension: | 23h32m [1] |
| Declination: | −20°31' [1] |
| Constellation: | Aquarius |
| Magnitude: | 13.72 (V) [1] |
| Distance: | 2.00 AU 16.60 lightmin [1] |
| Angular motion (speed): | 15.40 arcmin/day[1] |
| Angular motion (pos ang): | 248.4° |
Orbital elements [1]
| Semi-major axis: | 2.59 AU |
| Eccentricity: | 0.201475 |
| Inclination: | 14.10° |
| Longitude ascending node: | 92.47° |
| Argument of perihelion: | 120.57° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 52.97° |
| Absolute mag (H): | 9.13 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.07 AU |
| Aphelion: | 3.11 AU |
| Orbital period: | 4.17 years |
Visibility from South El Monte
All times shown in South El Monte local time.