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JPL Small-Body Database Browser
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379978 (2012 TH52)
Classification: Jupiter Trojan          SPK-ID: 2379978
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05371110808458565 8.1081e-08  
a 5.289108416294377 2.3601e-07 au
q 5.005024542475698 5.9409e-07 au
i 3.410264838987928 7.1938e-06 deg
node 288.636486767395 0.00014118 deg
peri 349.2440675086446 0.00018124 deg
M 312.9678962257613 0.00011788 deg
tp 2459580.948957424307
(2022-Jan-01.44895742)
0.0014526 TDB
period 4442.957212286276
12.16
0.00029738
8.142e-07
d
yr
n .08102711387912502 5.4235e-09 deg/d
Q 5.573192290113056 2.4869e-07 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      5984 days (16.38 yr)  
   first obs. used      2002-12-06  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5925  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:46:46  

Additional Information
 Earth MOID = 3.98866 au 
 Jupiter MOID = .138381 au 
 T_jup = 2.994 
[ 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 13.9   n/a MPO437556  

379978 (2012 TH52)          Discovered 2005-Feb-04 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 2012 TH52 = 2005 EA325 = 2007 EV154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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