380 Fiducia

380 Fiducia
Modelled shape of Fiducia from its lightcurve
Discovery[1]
Discovered byAuguste Charlois
Discovery siteNice Observatory
Discovery date8 January 1894
Designations
(380) Fiducia
Pronunciation/faɪˈdjuːʃ(i)ə, fɪ-/
Named after
confidence
A894 AB · 1933 CA · 1975 LX[2][a]
Main belt
Orbital characteristics[2]
Epoch 21 November 2025 (JD 2457600.5)
Uncertainty parameter 0
Observation arc131.81 yr (48145 d)
Aphelion6.1639 AU (922.11 Gm)
Perihelion2.3714 AU (354.76 Gm)
2.6789 AU (400.76 Gm)
Eccentricity0.1148
4.3846 yr (1601.5 d)
154.85°
0° 13m 29.244s / day
Inclination6.1639°
95.004°
240.62°
Jupiter MOID2.3388 au (349.88 Gm)
TJupiter3.360
Physical characteristics
67.508±2.455 km
13.69 h
0.0563±0.005
C-type
9.42

380 Fiducia (provisional designation A894 AB) 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.[2]

Notes

  1. ^ The MPC notates Fiducia's retroactive new-style designation as 1894 AB.[1] Its old-style designation was 1894 AR.[3]

References

  1. ^ a b "(380) Fiducia = 1894 AB = 1933 CA = 1975 LX". Minor Planet Center. Retrieved 7 November 2025.
  2. ^ a b c "380 Fiducia (1894 AR)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Archived from the original on 15 September 2020. Retrieved 14 November 2025.
  3. ^ "Notes on some Points connected with the Progress of Astronomy during the Past Year". Monthly Notices of the Royal Astronomical Society. 55 (4): 232–259. 8 February 1895. doi:10.1093/mnras/55.4.232.


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