441 Bathilde

441 Bathilde
	A three-dimensional model of 441 Bathilde based on its light curve
Discovery
Discovered by	Auguste Charlois
Discovery date	8 December 1898
Designations
MPC designation	(441) Bathilde
Pronunciation	French: [batildᵊ]
Named after	unknown (Bathilde)
Alternative designations	1898 ED
Minor planet category	Main belt
Orbital characteristics
	Epoch 31 July 2016 (JD 2457600.5)
	Uncertainty parameter 0
Observation arc	117.20 yr (42808 d)
Aphelion	3.0266 AU (452.77 Gm)
Perihelion	2.58642 AU (386.923 Gm)
Semi-major axis	2.80651 AU (419.848 Gm)
Eccentricity	0.078421
Orbital period (sidereal)	4.70 yr (1717.3 d)
Mean anomaly	348.249°
Mean motion	0° 12m 34.668s / day
Inclination	8.1476°
Longitude of ascending node	253.585°
Argument of perihelion	201.62°
Earth MOID	1.60331 AU (239.852 Gm)
Jupiter MOID	2.16565 AU (323.977 Gm)
TJupiter	3.304
Physical characteristics
Dimensions	70.32±2.6 km
Synodic rotation period	10.446 h (0.4353 d)
Geometric albedo	0.1410±0.011
Absolute magnitude (H)	8.51

441 Bathilde is a large main belt asteroid that was discovered by French astronomer Auguste Charlois on 8 December 1898 in Nice. 441 Bathilde is orbiting close to a 5:2 mean motion resonance with Jupiter, which is located at 2.824 AU.^[2]

10μ radiometric data collected from Kitt Peak in 1975 gave a diameter estimate of 64 km.^[3]

References

^ Yeomans, Donald K., "441 Bathilde", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 10 May 2016.
^ Hahn, G.; et al. (June 1991), "Orbital evolution studies of asteroids near the 5:2 mean motion resonance with Jupiter", Astronomy and Astrophysics, 246 (2): 603–618, Bibcode:1991A&A...246..603H.
^ Morrison, D.; Chapman, C. R. (March 1976), "Radiometric diameters for an additional 22 asteroids", Astrophysical Journal, vol. 204, pp. 934–939, Bibcode:2008mgm..conf.2594S, doi:10.1142/9789812834300_0469.

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