9965 GNU

9965 GNU
Orbits of GNU (blue), the inner planets and Jupiter (outermost)
Discovery [1]
Discovered bySpacewatch
Discovery siteKitt Peak National Obs.
Discovery date5 March 1992
Designations
(9965) GNU
Named after
GNU Project [1]
(free software project)
1992 EF2 · 1988 BD4
1993 QR3
main-belt [1][2] · (inner)
background [3]
Orbital characteristics [2]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc30.17 yr (11,019 d)
Aphelion2.8283 AU
Perihelion2.0080 AU
2.4181 AU
Eccentricity0.1696
3.76 yr (1,373 d)
276.39°
0° 15m 43.56s / day
Inclination12.206°
156.48°
82.938°
Physical characteristics
2.07±0.53 km[4]
4.10 km (calculated)[5]
6.22±2.14 km[6]
6.293±0.159 km[7][8]
39.720±0.1589 h (R)[9]
39.745±0.1589 h (S)[9]
0.102±0.014[7]
0.1022±0.0145[8]
0.105±0.125[6]
0.20 (assumed)[5]
0.53±0.12[4]
D (Pan-STARRS)[10]
S (SDSS-MOC)[11]
S (assumed)[5]
14.10[6][8]
14.3[2][5]
14.31±0.14[10]
14.398±0.005 (R)[9]
14.72[4]
14.966±0.011 (S)[9]

9965 GNU, provisional designation 1992 EF2, is a background asteroid from the inner regions of the asteroid belt, approximately 4 kilometers (2 miles) in diameter. It was discovered on 5 March 1992, by astronomer of the Spacewatch program at the Kitt Peak National Observatory in Arizona, United States.[1] The uncertain D-type asteroid has a long rotation period of 39.7 hours.[5] It was named for the free-software GNU Project.[1]

  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 Cite error: The named reference jpldata was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Ferret was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference Nugent-2016 was invoked but never defined (see the help page).
  5. ^ a b c d e Cite error: The named reference lcdb was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference Masiero-2012 was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  9. ^ a b c d Cite error: The named reference Waszczak-2015 was invoked but never defined (see the help page).
  10. ^ a b Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference SDSS-Taxonomy was invoked but never defined (see the help page).