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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06348345040342861 7.4739e-08  
a 5.132364884909241 2.6436e-07 au
q 4.806544653285806 4.2825e-07 au
i 2.783515721928101 7.049e-06 deg
node 203.2407128544114 0.00012763 deg
peri 173.5397321246766 0.00014713 deg
M 185.7939094120791 7.9285e-05 deg
tp 2460655.612251095843
(2024-Dec-11.11225110)
0.0010649 TDB
period 4246.926200442514
11.63
0.00032813
8.984e-07
d
yr
n .08476718996494202 6.5494e-09 deg/d
Q 5.458185116532674 2.8115e-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 = 3.80724 au 
 Jupiter MOID = .00400649 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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