140 Siwa (Asteroid)
From Cambridge , 140 Siwa is visible in the evening sky, becoming accessible around 17:24 (EST), 41° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:26, 50° above your southern horizon. It will continue to be observable until around 23:34, when it sinks below 21° above your western horizon.
Name
140 Siwa
|
Object type
Asteroid
|
Computed for: | 11 December 2023 |
Right ascension: | 01h03m [1] |
Declination: | +02°31' [1] |
Constellation: | Cetus |
Magnitude: | 13.13 (V) [1] |
Distance: | 2.02 AU 16.79 lightmin [1] |
Angular motion (speed): | 18.39 arcmin/day[1] |
Angular motion (pos ang): | 247.6° |
Semi-major axis: | 2.73 AU |
Eccentricity: | 0.214375 |
Inclination: | 3.19° |
Longitude ascending node: | 107.16° |
Argument of perihelion: | 197.13° |
Epoch of elements: | 13 September 2023 |
Mean Anomaly at epoch: | 47.03° |
Absolute mag (H): | 8.53 [1] |
Slope parameter (G): | 0.15 [1] |
Perihelion: | 2.15 AU |
Aphelion: | 3.32 AU |
Orbital period: | 4.52 years |
All times shown in Cambridge local time.