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JPL Small-Body Database Browser
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212777 (2007 TH139)
Classification: Main-belt Asteroid          SPK-ID: 2212777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .10182284939931 5.6564e-08  
a 2.335635823034783 1.8178e-08 au
q 2.097814728374279 1.2662e-07 au
i 6.534019956340839 8.9308e-06 deg
node 10.43317287373063 4.0684e-05 deg
peri 119.5564011483563 6.4441e-05 deg
M 108.4923386348199 4.8761e-05 deg
tp 2458607.581309081775
(2019-May-04.08130908)
0.00017474 TDB
period 1303.785414808666
3.57
1.5221e-05
4.167e-08
d
yr
n .2761190575619615 3.2235e-09 deg/d
Q 2.573456917695287 2.0029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7984 days (21.86 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58218  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:50:18  

Additional Information
 Earth MOID = 1.12082 au 
 Jupiter MOID = 2.45862 au 
 T_jup = 3.552 
[ 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 16.9   n/a MPO418139  

212777 (2007 TH139)          Discovered 2007-Oct-09 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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