404 Arsinoe (Asteroid)
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From South El Monte , 404 Arsinoe is visible in the evening sky, becoming accessible around 17:48 (PST), 30° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 18:37, 31° above your southern horizon. It will continue to be observable until around 21:01, when it sinks below 21° above your south-western horizon.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
404 Arsinoe
|
Object type
Asteroid
|
Current position
| Computed for: | 19 November 2025 |
| Right ascension: | 22h42m [1] |
| Declination: | −24°43' [1] |
| Constellation: | Aquarius |
| Magnitude: | 14.59 (V) [1] |
| Distance: | 2.68 AU 22.25 lightmin [1] |
| Angular motion (speed): | 11.75 arcmin/day[1] |
| Angular motion (pos ang): | 254.6° |
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.