(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.

(15820) 1994 TB
Discovery
Discovered byD. C. Jewitt and J. Chen
Discovery date2 October 1994
Designations
(15820) 1994 TB
none
TNO (plutino)
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc5210 days (14.26 yr)
Aphelion51.81015 AU (7.750688 Tm)
Perihelion26.95788 AU (4.032841 Tm)
39.38402 AU (5.891766 Tm)
Eccentricity0.31551
247.17 yr (90277.3 d)
4.63 km/s
355.418°
0° 0m 14.356s / day
Inclination12.1390°
317.481°
99.2670°
Earth MOID25.9914 AU (3.88826 Tm)
Jupiter MOID22.0897 AU (3.30457 Tm)
TJupiter5.237
Physical characteristics
Dimensions167 km[2]
Mass4.9×1018? 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

References

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  1. ^ "15820 (1994 TB)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 8 April 2016.
  2. ^ List of known trans-Neptunian objects
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