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JPL Small-Body Database Browser
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379975 (2012 TJ7)
Classification: Jupiter Trojan          SPK-ID: 2379975
[ 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 .06351702023934822 7.5193e-08  
a 5.133515197863582 2.6234e-07 au
q 4.807449609141878 4.3251e-07 au
i 2.783218524600952 7.0482e-06 deg
node 203.2388394140673 0.00012765 deg
peri 172.9430574681222 0.00014707 deg
M 220.3700400682663 8.1287e-05 deg
tp 2460648.270857467079
(2024-Dec-03.77085747)		 0.0010637 TDB
period 4248.354070846742
11.63		 0.00032566
8.916e-07		 d
yr
n .08473869974030865 6.4956e-09 deg/d
Q 5.459580786585285 2.79e-07 au
   Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6444 days (17.64 yr)  
   first obs. used      2001-09-18  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56406  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:46:08  

Additional Information
 Earth MOID = 3.80877 au 
 Jupiter MOID = .00660205 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 14.1   n/a MPO434350  

379975 (2012 TJ7)          Discovered 2001-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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