4257 Ubasti

4257 Ubasti
Discovery
Discovered by	Jean Mueller
Discovery site	Samuel Oschin telescope
Discovery date	23 August 1987
Designations
MPC designation	4257
Named after	Bastet
Alternative names	1987 QA
Orbital characteristics^[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	9804 days (26.84 yr)
Aphelion	2.4182880 AU (361.77074 Gm)
Perihelion	0.8756561 AU (130.99629 Gm)
Semi-major axis	1.6469720 AU (246.38350 Gm)
Eccentricity	0.4683237
Orbital period	2.11 yr (772.02 d)
Mean anomaly	108.87789°
Mean motion	0° 27^m 58.716^s / day
Inclination	40.71699°
Longitude of ascending node	169.21516°
Argument of perihelion	278.93363°
Earth MOID	0.169727 AU (25.3908 Gm)
Jupiter MOID	3.37189 AU (504.428 Gm)
Jupiter Tisserand parameter	3.913
Physical characteristics
Absolute magnitude (H)	15.8

4257 Ubasti (1949 PV) is an Apollo asteroid discovered on August 23, 1987 by Jean Mueller at Samuel Oschin telescope. It was named for Bastet, the one of the Egyptian goddesses of warfare.

References

Minor planets navigator

4256 Kagamigawa 4257 Ubasti 4258 Ryazanov

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