| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg Observatory |
| Discovery date | 22 July 1917 |
| Designations | |
| MPC designation | (880) Herba |
| Pronunciation | /ˈhɜːrbə/ |
| Alternative designations | 1917 CK |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 98.72 yr (36057 days) |
| Aphelion | 3.9674 AU (593.51 Gm) |
| Perihelion | 2.0291 AU (303.55 Gm) |
| Semi-major axis | 2.9983 AU (448.54 Gm) |
| Eccentricity | 0.32323 |
| Orbital period (sidereal) | 5.19 yr (1896.3 d) |
| Mean anomaly | 340.970° |
| Mean motion | 0° 11 23.424 / day |
| Inclination | 15.145° |
| Longitude of ascending node | 262.618° |
| Argument of perihelion | 101.118° |
| Physical characteristics | |
| Synodic rotation period | 12.266 h (0.5111 d) |
| Spectral type | F-type |
| Absolute magnitude (H) | 11.46 |
880 Herba is a minor planet orbiting the Sun that was discovered by German astronomer Max Wolf on 22 July 1917 in Heidelberg.
Photometric observations of this asteroid at the Organ Mesa Observatory in Las Cruces, New Mexico, in 2011 gave a light curve with a period of 12.266 ± 0.001 hours and a brightness variation of 0.13 ± 0.02 in magnitude. The curve is asymmetrical with one maxima and one minima.
880 Herba is named after Herba, the Greek god of misery and poverty.
References
- ^ Yeomans, Donald K., "880 Herba", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 3 May 2016.
- ^ Pilcher, Frederick (April 2012), "Rotation Period Determinations for 31 Euphrosyne, 65 Cybele, 154 Bertha 177 Irma, 200 Dynamene, 724 Hapag, 880 Herba, and 1470 Carla", The Minor Planet Bulletin, 39 (2): 57–60, Bibcode:2012MPBu...39...57P.
- DMP
External links
- Lightcurve plot of 880 Herba, Palmer Divide Observatory, B. D. Warner (2006)
- Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 880 Herba at AstDyS-2, Asteroids—Dynamic Site
- 880 Herba at the JPL Small-Body Database
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