2135 Aristaeus

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.[2]

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).[1] 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).[1] 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).[1]

References

  1. ^ a b c d e f "JPL Small-Body Database Browser: 2135 Aristaeus (1977 HA)" (last observation: 2014-06-27). Jet Propulsion Laboratory. Retrieved 15 April 2016.
  2. ^ "New Names of Minor Planets" (PDF), Minor Planet Circular, no. MPC 5014, Cambridge, Mass: Minor Planet Center, 1 November 1979, ISSN 0736-6884
  • 2135 Aristaeus at NeoDyS-2, Near Earth Objects—Dynamic Site
    • Ephemerides · Observation prediction · Orbital info · MOID · Proper elements · Observational info · Close approaches · Physical info · Orbit animation
  • 2135 Aristaeus at ESA–space situational awareness
    • Ephemerides · Observations · Orbit · Physical properties · Summary
  • 2135 Aristaeus at the JPL Small-Body Database Edit this at Wikidata
    • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
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