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1995 GJ information


1995 GJ
Discovery[1][2][3]
Discovered byD. Jewitt
J. Chen
Discovery siteMauna Kea Obs.
Discovery date3 April 1995
(first observed only)
Designations
MPC designation
1995 GJ
Minor planet category
TNO[2] · distant[1]
cubewano (hot)[4]
Orbital characteristics[2]
Epoch 4 April 1995 (JD 2449811.5)
Uncertainty parameter 9[2] · E[1]
Observation arc1 days
Aphelion47±42126 AU
Perihelion39±1920 AU
Semi-major axis
43±38618 AU
Eccentricity0.09±862
Inclination23°±11443°
Longitude of ascending node
338°±97°
Physical characteristics
Mean diameter
170 km (est. at 0.10)[5]
176 km (est. at 0.09)[4]
179 km (est. at 0.08)[6]
Absolute magnitude (H)
6.8973[2]
7.0[1]

1995 GJ might be a trans-Neptunian object and/or high-inclination cubewano from the Kuiper belt in the outermost region of the Solar System, and based on the calculated distance and brightness is assumed to be approximately 175 kilometers (110 miles) in diameter. It is a lost minor planet that has only been observed six times on the nights of 3–4 April 1995, by David Jewitt and Jun Chen at the Mauna Kea Observatory, Hawaii, using the UH88 telescope, and has not been observed ever since.[1][3] The object is estimated to have been discovered right at perihelion (closest approach to the Sun) at a distance of 39±1900 AU from the Sun.[2] On the night of discovery, the object is estimated to have been moving away from Earth at 16 km/s with the uncertainty in the velocity being an unrealistic ±238000 km/s (80% the speed of light).

  1. ^ a b c d e Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ a b c d e f Cite error: The named reference jpldata was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference MPEC was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference johnstonsarchive-TNO-list was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference h was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Brown-DP-list was invoked but never defined (see the help page).

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