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JPL Small-Body Database Browser
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201310 (2002 TJ91)
Classification: Main-belt Asteroid          SPK-ID: 2201310
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2697974657676318 6.5689e-08  
a 3.167915879784266 2.7615e-08 au
q 2.313220203653434 2.0023e-07 au
i 5.657125048159826 5.1773e-06 deg
node 286.7637421742924 7.479e-05 deg
peri 49.02132380572114 7.5889e-05 deg
M 9.026466667467121 1.5113e-05 deg
tp 2458548.861434383844
(2019-Mar-06.36143438)
8.6179e-05 TDB
period 2059.486209461894
5.64
2.693e-05
7.373e-08
d
yr
n .1748008791445423 2.2857e-09 deg/d
Q 4.022611555915098 3.5066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      9811 days (26.86 yr)  
   first obs. used      1993-01-23  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54321  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:35:22  

Additional Information
 Earth MOID = 1.30735 au 
 Jupiter MOID = 1.41538 au 
 T_jup = 3.138 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO273436  
rotation period rot_per 2.837 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

201310 (2002 TJ91)          Discovered 2002-Oct-03 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2002 TJ91 = 2007 OG2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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