4587 Rees

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4587 Rees is a former Amor asteroid[1] discovered on September 30, 1973 at the Palomar Observatory by Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld and Tom Gehrels.[5] The Provisional designation given to 4587 Rees was 3239 T-2. It has a rotation period of 7.7886 hours.[4] 4587 Rees was named in honor of Martin Rees. Naming it after Professor Lord Rees was proposed by Jan Hendrik Oort.[6]

On 2072-Jul-03 Rees will pass 0.13828 AU (20,686,000 km; 12,854,000 mi) from Mars, the closest since it passed 0.1057 AU (15,810,000 km; 9,830,000 mi) from Mars on 1843-Jan-28. On 2121-Jan-30, Rees will pass 0.0475 AU (7,110,000 km; 4,420,000 mi) from 4 Vesta.[2]

NEO status

Since all Near-Earth objects (NEOs) have a closest approach to the Sun (perihelion) of less than 1.3 AU,[7] depending on the epoch chosen, the orbital parameters of 4587 Rees will not always qualify it as a NEO. In 2012 it was an amor asteroid.[1][8] As of 2014, Rees has a perihelion of 1.3011 AU and does not meet the requirement to be defined as a NEO.[9]

References

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External links

  1. ↑ 1.0 1.1 1.2 Webcite of Epoch 2010-Jan-04
  2. ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ archive is:DSzY with Epoch 2012-Sep-30
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found. (Select Ephemeris Type: Elements)
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