476 Hedwig
| Discovery | |
|---|---|
| Discovered by | Luigi Carnera |
| Discovery site | Heidelberg |
| Discovery date | 17 August 1901 |
| Designations | |
MPC designation | (476) Hedwig |
| Pronunciation | /ˈhɛdwɪɡ/ German: [ˈheːtvɪç][1] |
| 1901 GQ | |
Minor planet category | Main belt |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 114.66 yr (41880 d) |
| Aphelion | 2.843586228752500 AU (425.39444497321 Gm) |
| Perihelion | 2.458818277348141 AU (367.83397872952 Gm) |
| 2.651202253050 AU (396.6142118513 Gm) | |
| Eccentricity | 0.07256480545036940 |
| 4.32 yr (1576.7 d) | |
| 277.3588495717540° | |
| 0° 13m 41.944s / day | |
| Inclination | 10.92403953516030° |
| 286.3817373411550° | |
| 0.2030128925787450° | |
| Physical characteristics | |
| Dimensions | 116.76±2.6 km |
Synodic rotation period | 27.33 h (1.139 d) |
| 0.0493±0.002 | |
| P (Tholen), X (SMASSII) | |
Absolute magnitude (H) | 8.55 |
Hedwig (minor planet designation: 476 Hedwig) (1901 GQ) is a main-belt asteroid discovered on August 17, 1901, by Luigi Carnera at Heidelberg. Named in honour of the wife of Swedish-Danish astronomer Elis Strömgren.[3]
See also[]
References[]
- ^ (German Names)
- ^ "476 Hedwig (1901 GQ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 9 May 2016.
- ^ Schmadel, Lutz D. (9 March 2013). Dictionary of Minor Planet Names. Springer Science & Business Media. ISBN 978-3-662-02804-9.
External links[]
- 476 Hedwig at AstDyS-2, Asteroids—Dynamic Site
- 476 Hedwig at the JPL Small-Body Database
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Categories:
- Minor planet object articles (numbered)
- Background asteroids
- Discoveries by Luigi Carnera
- Minor planets named for people
- Named minor planets
- P-type asteroids (Tholen)
- X-type asteroids (SMASS)
- Astronomical objects discovered in 1901
- Main-belt-asteroid stubs