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335 Roberta is a large main belt asteroid. It was discovered on 1 September 1892, by German astronomer Anton Staus at Heidelberg Observatory. Roberta was the 12th asteroid that was discovered using photography, and the only asteroid discovery made by Staus.
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asteroid roberta 335 smass discovered staus period asteroids discovery light hours spectrum suggests presence three found lightcurve magnitude tholen main
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| 335 Roberta | Absolute magnitude (H) | 8.96 | 1.00 | infobox |
| 335 Roberta | Alternative designations | 1892 C | 1.00 | infobox |
| 335 Roberta | Aphelion | 2.9014 AU (434.04 Gm) | 1.00 | infobox |
| 335 Roberta | Argument of perihelion | 140.006° | 1.00 | infobox |
| 335 Roberta | Average orbital speed | 18.93 km/s | 1.00 | infobox |
| 335 Roberta | Dimensions | 89.07±2.0 km | 1.00 | infobox |
| 335 Roberta | Discovered by | Anton Staus | 1.00 | infobox |
| 335 Roberta | Discovery date | 1 September 1892 | 1.00 | infobox |
| 335 Roberta | Earth MOID | 1.03587 AU (154.964 Gm) | 1.00 | infobox |
| 335 Roberta | Eccentricity | 0.17212 | 1.00 | infobox |
| 335 Roberta | Geometric albedo | 0.0580±0.003 0.058 | 1.00 | infobox |
| 335 Roberta | Inclination | 5.1005° | 1.00 | infobox |
| 335 Roberta | Jupiter MOID | 2.2733 AU (340.08 Gm) | 1.00 | infobox |
| 335 Roberta | Longitude of ascending node | 148.454° | 1.00 | infobox |
| 335 Roberta | Mean anomaly | 355.460° | 1.00 | infobox |
| 335 Roberta | Mean motion | 0° 15m 11.095s / day | 1.00 | infobox |
| 335 Roberta | Minor planet category | Main belt | 1.00 | infobox |
| 335 Roberta | Named after | Carl Robert Osten-Sacken | 1.00 | infobox |
| 335 Roberta | Observation arc | 123.58 yr (45137 d) | 1.00 | infobox |
| 335 Roberta | Orbital period (sidereal) | 3.89 yr (1422.5 d) | 1.00 | infobox |
| 335 Roberta | Perihelion | 2.04926 AU (306.565 Gm) | 1.00 | infobox |
| 335 Roberta | Semi-major axis | 2.47530 AU (370.300 Gm) | 1.00 | infobox |
| 335 Roberta | Spectral type | B–V = 0.624 U–B = 0.235 FP (Tholen) B (SMASS) | 1.00 | infobox |
| 335 Roberta | Synodic rotation period | 12.054 h (0.5023 d) | 1.00 | infobox |
| 335 Roberta | TJupiter | 3.456 | 1.00 | infobox |
| 335 Roberta | is a | large main belt asteroid | 0.90 | text |
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