(79983) 1999 DF9

(79983) 1999 DF9
Discovery[1]
Discovered byJ. X. Luu
C. Trujillo
D. C. Jewitt
Discovery siteKitt Peak National Obs.
Discovery date20 February 1999
Designations
(79983) 1999 DF9
1999 DF9
TNO[1] · cubewano[2][3]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 2
Observation arc17.06 yr (6,231 days)
Aphelion53.567 AU
Perihelion39.830 AU
46.698 AU
Eccentricity0.1471
319.12 yr (116,560 days)
19.489°
0° 0m 11.16s / day
Inclination9.8105°
334.84°
178.63°
Physical characteristics
Dimensions265 km (calculated)[4]
306 km[3]
6.65 h[5]
0.10 (assumed)[4]
B–V = 0.920±0.060[6]
V–R = 0.710±0.050[6]
V–I = 1.360±0.060[6]
5.797±0.110 (R)[7] · 6.0[1][4]

(79983) 1999 DF9 (provisional designation 1999 DF9) is a trans-Neptunian object of the Kuiper belt, classified as a non-resonant cubewano, that measures approximately 270 kilometers in diameter.

  1. ^ a b c d Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference Buie was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference Johnstons-Archive-TNO-list was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference lcdb was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Lacerda-2006 was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference Hainaut-2012 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Peixinho-2012 was invoked but never defined (see the help page).