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JPL Small-Body Database Browser
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15820 (1994 TB)
Classification: TransNeptunian Object          SPK-ID: 2015820
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3128437246529762 5.4472e-05  
a 39.23664679745475 0.0038983 au
q 26.96170807044573 0.00055651 au
i 12.14241935731186 7.5945e-05 deg
node 317.3027961307338 0.00035642 deg
peri 98.8728461668762 0.0051936 deg
M .4831845698576533 0.002502 deg
tp 2458480.011163495763
(2018-Dec-27.51116350)
0.64151 TDB
period 89771.03957252573
245.78
13.379
0.03663
d
yr
n .004010201972866285 5.9765e-07 deg/d
Q 51.51158552446376 0.0051179 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      8737 days (23.92 yr)  
   first obs. used      1994-10-13  
   last obs. used      2018-09-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .68077  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:34:09  

Additional Information
 Earth MOID = 25.9958 au 
 Jupiter MOID = 22.0907 au 
 T_jup = 5.232 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.3   n/a MPO157265  
rotation period rot_per 6.5 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Romanishin, W.; Tegler, S.C. (1999) Nature 398, 129-132.]

15820 (1994 TB)          Discovered 1994-Oct-02 by Jewitt, D. C., Chen, J. at Mauna Kea
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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