401 Ottilia

401 Ottilia is a large main-belt asteroid. It was discovered by Max Wolf on March 16, 1895, in Heidelberg. It is named after the Germanic folkloric character Ottilia.

DiscoveredbyMax Wolf

Discoverydate16 March 1895

MPCdesignation

(401) Ottilia

Pronunciation/ɒˈtɪliə/

Quick facts Discovery, Discovered by ...

401 Ottilia

Lightcurve-base 3D-model of 401 Ottilia.
Discovery
Discovered by	Max Wolf
Discovery date	16 March 1895
Designations
MPC designation	(401) Ottilia
Pronunciation	/ɒˈtɪliə/
Named after	Ottilia
Alternative designations	1895 BT
Minor planet category	Main belt (Cybele)
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	121.08 yr (44225 d)
Aphelion	3.45079 AU (516.231 Gm)
Perihelion	3.24397 AU (485.291 Gm)
Semi-major axis	3.34738 AU (500.761 Gm)
Eccentricity	0.036643
Orbital period (sidereal)	6.12 yr (2234.4 d)
Mean anomaly	172.933°
Mean motion	0° 9m 40.032s / day
Inclination	5.9715°
Longitude of ascending node	36.138°
Argument of perihelion	294.690°
Physical characteristics
Dimensions	87.803 km
Synodic rotation period	6.049 h (0.2520 d)
Geometric albedo	0.0412±0.002
Absolute magnitude (H)	9.2

Close

The semi-major axis of the orbit of 401 Ottilia at 3.47 AU lies just outside the 2:1 Kirkwood gap, located at 3.27 AU.^[2] 401 Ottilia is part of the Cybele asteroid group.^[3]