4640 Hara (Asteroid)
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From South El Monte , 4640 Hara is visible in the dawn sky, rising at 02:04 (PDT) and reaching an altitude of 48° above the eastern horizon before fading from view as dawn breaks at around 06:06.
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Name
4640 Hara
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Object type
Asteroid
|
Current position
| Computed for: | 29 October 2025 |
| Right ascension: | 10h23m [1] |
| Declination: | +12°43' [1] |
| Constellation: | Leo |
| Magnitude: | 17.94 (V) [1] |
| Distance: | 2.26 AU 18.76 lightmin [1] |
| Angular motion (speed): | 17.52 arcmin/day[1] |
| Angular motion (pos ang): | 296.1° |
Orbital elements [1]
| Semi-major axis: | 2.25 AU |
| Eccentricity: | 0.108442 |
| Inclination: | 4.21° |
| Longitude ascending node: | 347.68° |
| Argument of perihelion: | 138.53° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 279.50° |
| Absolute mag (H): | 13.47 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.01 AU |
| Aphelion: | 2.50 AU |
| Orbital period: | 3.38 years |
Visibility from South El Monte
All times shown in South El Monte local time.