(15820) 1994 TB

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(15820) 1994 TB
Discovery
Discovered by D. C. Jewitt and J. Chen
Discovery date 2 October 1994
Designations
MPC designation (15820) 1994 TB
none
TNO (plutino)
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc 5210 days (14.26 yr)
Aphelion 51.81015 AU (7.750688 Tm)
Perihelion 26.95788 AU (4.032841 Tm)
39.38402 AU (5.891766 Tm)
Eccentricity 0.31551
247.17 yr (90277.3 d)
4.63 km/s
355.418°
0° 0m 14.356s / day
Inclination 12.1390°
317.481°
99.2670°
Earth MOID 25.9914 AU (3.88826 Tm)
Jupiter MOID 22.0897 AU (3.30457 Tm)
Jupiter Tisserand parameter 5.237
Physical characteristics
Dimensions 167 km[2]
Mass 4.9×1018? kg
Mean density
2.0? g/cm³
Equatorial surface gravity
0.0467? m/s²
Equatorial escape velocity
0.0883? km/s
6.5 h (0.27 d)
? d
0.10?
Temperature ~44 K
?
7.3

(15820) 1994 TB is a trans-Neptunian object residing in the Kuiper belt. It is in a 3:2 orbital resonance with Neptune, similar to Pluto. It was discovered on October 2, 1994, by David C. Jewitt and Jun Chen at the Mauna Kea Observatory, in Hawaii.

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