584 Semiramis (Asteroid)
From South El Monte , 584 Semiramis is visible in the evening sky, becoming accessible around 19:19 (PDT), 52° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:57, 60° above your southern horizon. It will continue to be observable until around 01:23, when it sinks below 21° above your western horizon.
Name
584 Semiramis
|
Object type
Asteroid
|
Computed for: | 13 October 2025 |
Right ascension: | 21h36m [1] |
Declination: | +04°44' [1] |
Constellation: | Pegasus |
Magnitude: | 11.10 (V) [1] |
Distance: | 1.05 AU 8.76 lightmin [1] |
Angular motion (speed): | 41.45 arcmin/day[1] |
Angular motion (pos ang): | 237.7° |
Semi-major axis: | 2.37 AU |
Eccentricity: | 0.233202 |
Inclination: | 10.72° |
Longitude ascending node: | 281.99° |
Argument of perihelion: | 85.39° |
Epoch of elements: | 25 January 2025 |
Mean Anomaly at epoch: | 281.63° |
Absolute mag (H): | 8.49 [1] |
Slope parameter (G): | 0.15 [1] |
Perihelion: | 1.82 AU |
Aphelion: | 2.93 AU |
Orbital period: | 3.66 years |
All times shown in South El Monte local time.