1848 Delvaux
| Discovery [1] | |
|---|---|
| Discovered by | E. Delporte |
| Discovery site | Uccle – Belgium |
| Discovery date | 18 August 1933 |
| Designations | |
| MPC designation | 1848 Delvaux |
|
Named after
|
(sister-in-law of) Georges Roland [2] |
| 1933 QD · 1936 DH 1948 SF · 1948 SK 1951 GV · 1952 ML 1953 TU1 · 1953 VE1 1956 GL · 1972 QN 1975 FV · A912 FA |
|
| main-belt · Koronis [3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 82.07 yr (29,977 days) |
| Aphelion | 2.9999 AU |
| Perihelion | 2.7417 AU |
| 2.8708 AU | |
| Eccentricity | 0.0449 |
| 4.86 yr (1,777 days) | |
| 336.20° | |
| Inclination | 1.4409° |
| 331.68° | |
| 316.72° | |
| Physical characteristics | |
| Dimensions | 17.51±0.63 km[4] 17.446±0.143 km[5] 16.66±1.95 km[6] 17.12 km (calculated)[3] |
| 3.637 h[3] 3.638±0.001 h[7] 3.639±0.001 h[8] 3.65±0.01 h[7] 3.639±0.001 h[9] |
|
| 0.255±0.020[4] 0.2329±0.0432[5] 0.461±0.316[6] 0.24 (assumed)[3] |
|
| SMASS = S | |
| 11.0 | |
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1848 Delvaux, provisional designation 1933 QD, is a stony asteroid from the outer region of the asteroid belt and measures about 17 kilometers in diameter. It was discovered on 18 August 1933 by Belgian astronomer Eugène Delporte at the Royal Observatory of Belgium in Uccle.[10]
The S-type asteroid is a member of the Koronis family. It orbits the Sun at a distance of 2.7–3.0 AU once every 4 years and 10 months (1,777 days). Its low-eccentric orbit is nearly coplanar to the ecliptic, tilted by only 1.4 degrees. Its albedo is 0.255±0.020 and 0.2329±0.0432, as measured by the Akari and NEOWISE surveys, respectively. Delvaux has an exceptionally well-determined rotation period of 3.6 hours.[7][8][9]
It was named after the sister-in-law of Georges Roland, astronomer at the observatory in Uccle and known as the co-discoverer of the comet Arend–Roland[2]
References
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<references />, or <references group="..." />External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Geneve, Raoul Behrend
- 1848 Delvaux at the JPL Small-Body Database
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