_Fiducia.png) Modelled shape of Fiducia from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 8 January 1894 |
| Designations | |
| MPC designation | (380) Fiducia |
| Pronunciation | /faɪˈdjuːʃ(i)ə, fɪ-/ |
| Named after | confidence |
| Alternative designations | 1894 AR |
| Minor planet category | Main belt |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 122.20 yr (44633 d) |
| Aphelion | 2.98476 AU (446.514 Gm) |
| Perihelion | 2.37017 AU (354.572 Gm) |
| Semi-major axis | 2.67747 AU (400.544 Gm) |
| Eccentricity | 0.11477 |
| Orbital period (sidereal) | 4.38 yr (1600.2 d) |
| Mean anomaly | 111.769° |
| Mean motion | 0° 13 29.878 / day |
| Inclination | 6.15867° |
| Longitude of ascending node | 95.1146° |
| Argument of perihelion | 239.555° |
| Physical characteristics | |
| Mean diameter | 67.508±2.455 km |
| Synodic rotation period | 13.69 h |
| Geometric albedo | 0.0563±0.005 |
| Spectral type | C |
| Absolute magnitude (H) | 9.42 |
380 Fiducia (prov. designation: A894 AB or 1894 AR) is a dark and large asteroid, approximately 68 kilometers (42 miles) in diameter, located in the central region of the asteroid belt. It was discovered by French astronomer Auguste Charlois at the Nice Observatory on 8 January 1894. The carbonaceous C-type asteroid has a rotation period of 13.7 hours. It was named "Fiducia", the Latin word for confidence.
References
- ^ "380 Fiducia (1894 AR)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Archived from the original on 15 September 2020. Retrieved 10 May 2016.
External links
- Lightcurve plot of 380 Fiducia, Palmer Divide Observatory, B. D. Warner (2004)
- Lightcurve Database Query (LCDB), at www.minorplanet.info
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Geneva Observatory, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 380 Fiducia at AstDyS-2, Asteroids—Dynamic Site
- 380 Fiducia at the JPL Small-Body Database
| Minor planets navigator | |
|---|---|
| Small Solar System bodies | |||||||
|---|---|---|---|---|---|---|---|
| Minor planets |
| ||||||
| Comets | |||||||
| Other | |||||||
_mathilde.jpg){kind=small} | This article about a C-type asteroid native to the asteroid belt is a stub. You can help Misplaced Pages by expanding it. |