1251 Hedera (Asteroid)
From South El Monte , 1251 Hedera is visible between 21:40 and 04:26. It will become accessible at around 21:40, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 01:03, 42° above your southern horizon. It will become inaccessible at around 04:26 when it sinks below 21° above your south-western horizon.
Name
1251 Hedera
|
Object type
Asteroid
|
Current position
Computed for: | 15 August 2025 |
Right ascension: | 21h47m [1] |
Declination: | −13°55' [1] |
Constellation: | Capricornus |
Magnitude: | 13.57 (V) [1] |
Distance: | 1.34 AU 11.12 lightmin [1] |
Angular motion (speed): | 30.68 arcmin/day[1] |
Angular motion (pos ang): | 256.6° |
Orbital elements [1]
Semi-major axis: | 2.72 AU |
Eccentricity: | 0.155886 |
Inclination: | 6.05° |
Longitude ascending node: | 140.59° |
Argument of perihelion: | 217.14° |
Epoch of elements: | 25 January 2025 |
Mean Anomaly at epoch: | 290.41° |
Absolute mag (H): | 10.94 [1] |
Slope parameter (G): | 0.15 [1] |
Derived quantities
Perihelion: | 2.29 AU |
Aphelion: | 3.14 AU |
Orbital period: | 4.48 years |