Discovery[1] | |
---|---|
Discovered by | David Rabinowitz |
Discovery date | 17 December 2009 |
Designations | |
2009 YE7 | |
K09Y07E | |
TNO Cubewano[2] Haumea family[3][4] | |
Orbital characteristics[5] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 4 | |
Observation arc | 2273 days (6.22 yr) |
Aphelion | 50.694 AU (7.5837 Tm) |
Perihelion | 37.893 AU (5.6687 Tm) |
44.293 AU (6.6261 Tm) | |
Eccentricity | 0.14450 |
294.79 yr (107672 d) | |
180.87° | |
0° 0m 12.037s / day (n) | |
Inclination | 29.080° |
141.71° | |
≈ 5 May 2164[6] ±15 days | |
99.077° | |
Physical characteristics | |
200[7]–560[8] km[5][9] | |
assume 0.7 to 0.09 | |
Temperature | < 44 K |
(Neutral) | |
≈21.7(JPL Horizons) | |
4.5[5] | |
(386723) 2009 YE7 (provisional designation 2009 YE7) is a trans-Neptunian object (TNO) discovered by David Rabinowitz on December 17, 2009, at the La Silla Observatory in Chile.
Trujillo2011
was invoked but never defined (see the help page).