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2135 Aristaeus

Aristaeus
Discovery
Discovered by E. F. Helin and S. J. Bus
Discovery site Palomar
Discovery date 17 April 1977
Designations
MPC designation 2135
Named after
Aristaeus
1977 HA
PHA
Orbital characteristics
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 1
Observation arc 37.19 yr (13585 days)
Aphelion 2.40409 AU (359.647 Gm)
Perihelion 0.79485 AU (118.908 Gm)
1.5995 AU (239.28 Gm)
Eccentricity 0.50305
2.02 yr (738.86 d)
83.4440°
0° 29m 14.046s / day
Inclination 23.06145°
191.221°
290.8743°
Earth MOID 0.00972802 AU (1,455,291 km)
Jupiter MOID 2.96182 AU (443.082 Gm)
Jupiter Tisserand parameter 4.135
Physical characteristics
17.94

2135 Aristaeus (1977 HA) is an Apollo asteroid discovered on April 17, 1977 by E. F. Helin and S. J. Bus at Palomar Observatory. It is named for Aristaeus, the son of Apollo and the nymph Cyrene.

2135 Aristaeus is a potentially hazardous asteroid (PHA) because its minimum orbit intersection distance (MOID) is less than 0.05 AU and its diameter is greater than 150 meters. The Earth-MOID is 0.0100 AU (1,500,000 km; 930,000 mi). Its orbit is well-determined for the next several hundred years.

The asteroid made its closest approach to Earth on April 1, 1977, at a nominal distance of 0.03216 AU (4,811,000 km; 2,989,000 mi). It will make its next closest approach on April 2, 2064, at a nominal distance of 0.0546 AU (8,170,000 km; 5,080,000 mi).


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