| Discovery | |
|---|---|
| Discovered by | P. Götz |
| Discovery site | Heidelberg Obs. |
| Discovery date | 10 October 1904 |
| Designations | |
| MPC designation | (546) Herodias |
| Pronunciation | /hɪˈroʊdiəs/ |
| Named after | Herodias |
| Alternative designations | 1904 PA |
| Minor planet category | main-belt · (middle) Eunomian interloper |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 111.48 yr (40719 d) |
| Aphelion | 2.89852 AU (433.612 Gm) |
| Perihelion | 2.29588 AU (343.459 Gm) |
| Semi-major axis | 2.59720 AU (388.536 Gm) |
| Eccentricity | 0.116018 |
| Orbital period (sidereal) | 4.19 yr (1528.8 d) |
| Mean anomaly | 149.511° |
| Mean motion | 0° 14 7.714 / day |
| Inclination | 14.8547° |
| Longitude of ascending node | 21.7900° |
| Argument of perihelion | 108.626° |
| Physical characteristics | |
| Dimensions | 66.02±3.8 km (mean) |
| Mean radius | 33.01±1.9 km |
| Synodic rotation period | 10.4 hours 10.77 h (0.449 d) |
| Geometric albedo | 0.0534 ± 0.007 |
| Spectral type | C |
| Absolute magnitude (H) | 9.70 |
546 Herodias is a carbonaceous asteroid from the central regions of the asteroid belt, approximately 66 kilometers in diameter. It is an identified Eunomian interloper. It was named after the biblical character Herodias.
References
- ^ "546 Herodias (1904 PA)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Archived from the original on 17 September 2020. Retrieved 7 May 2016.
- "Herodias". Dictionary.com Unabridged (Online). n.d.
- ^ Tedesco; et al. (2004). "Supplemental IRAS Minor Planet Survey (SIMPS)". IRAS-A-FPA-3-RDR-IMPS-V6.0. Planetary Data System. Archived from the original on 19 January 2007. Retrieved 7 January 2009.
- Székely; Kiss, L; Szabo, G; Sarneczky, K; Csak, B; Varadi, M; Meszaros, S; et al. (2005). "CCD photometry of 23 minor planets". Planetary and Space Science. 53 (9): 925–936. arXiv:astro-ph/0504462. Bibcode:2005P&SS...53..925S. doi:10.1016/j.pss.2005.04.006.
- Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on 11 June 2008. Retrieved 7 January 2009.
External links
- Lightcurve plot of 546 Herodias, Palmer Divide Observatory, B. D. Warner (2009)
- (546) Herodias at AstDyS
- 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
- 546 Herodias at AstDyS-2, Asteroids—Dynamic Site
- 546 Herodias at the JPL Small-Body Database
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