335 Roberta (Asteroid)
From South El Monte , 335 Roberta is visible in the dawn sky, rising at 23:47 (PDT) and reaching an altitude of 68° above the south-eastern horizon before fading from view as dawn breaks at around 05:35.
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Name
335 Roberta
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Object type
Asteroid
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Current position
| Computed for: | 18 September 2025 |
| Right ascension: | 05h39m [1] |
| Declination: | +17°52' [1] |
| Constellation: | Taurus |
| Magnitude: | 14.37 (V) [1] |
| Distance: | 2.54 AU 21.14 lightmin [1] |
| Angular motion (speed): | 11.57 arcmin/day[1] |
| Angular motion (pos ang): | 265.1° |
Orbital elements [1]
| Semi-major axis: | 2.48 AU |
| Eccentricity: | 0.171858 |
| Inclination: | 5.10° |
| Longitude ascending node: | 148.41° |
| Argument of perihelion: | 139.78° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 60.21° |
| Absolute mag (H): | 9.11 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.05 AU |
| Aphelion: | 2.90 AU |
| Orbital period: | 3.89 years |