446 Aeternitas

446 Aeternitas
Discovery
Discovered by	M. Wolf, A. Schwassmann
Discovery date	October 27, 1899
Designations
Named after	Aeternitas
Alternative names	1899 ER
Minor planet category	Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion	468.891 Gm (3.134 AU)
Perihelion	365.544 Gm (2.444 AU)
Semi-major axis	417.217 Gm (2.789 AU)
Eccentricity	0.124
Orbital period	1701.161 d (4.66 a)
Average orbital speed	17.84 km/s
Mean anomaly	273.482°
Inclination	10.624°
Longitude of ascending node	42.153°
Argument of perihelion	280.035°
Physical characteristics
Dimensions	45.4 km^[1]
Mass	unknown
Mean density	unknown
Surface gravity	unknown
Escape velocity	unknown
Rotation period	15.7413 hr^[1]
Albedo	0.2361^[1]
Temperature	unknown
Spectral type	A^[1]
Absolute magnitude (H)	8.9^[1]

446 Aeternitas is a main belt asteroid. It was discovered by Max Wolf and A. Schwassmann on October 27, 1899 in Heidelberg. It is classified as an A-type asteroid. The asteroid is roughly 45 km in diameter and has a high albedo.^[1]

References

1 2 3 4 5 6 "JPL Small-Body Database Browser: 446 Aeternitas (1899 ER)". Jet Propulsion Laboratory.

External links

446 Aeternitas at the JPL Small-Body Database

Discovery · Orbit diagram · Orbital elements · Physical parameters

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