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JPL Small-Body Database Browser
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379983 (2012 TJ144)
Classification: Jupiter Trojan          SPK-ID: 2379983
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356618599127053 3.3956e-07  
a 5.213290521468428 1.4075e-06 au
q 4.506045833060744 2.9652e-06 au
i 11.78727844989976 1.1651e-05 deg
node 231.9094769820099 6.0714e-05 deg
peri 58.27161732455875 0.00011016 deg
M 306.2402548854748 0.00014604 deg
tp 2459649.763544605971
(2022-Mar-11.26354461)
0.0020023 TDB
period 4347.767564005752
11.90
0.0017607
4.821e-06
d
yr
n .08280111452607629 3.3532e-08 deg/d
Q 5.920535209876112 1.5984e-06 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      3296 days (9.02 yr)  
   first obs. used      2010-04-22  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .6187  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:56:05  

Additional Information
 Earth MOID = 3.50895 au 
 Jupiter MOID = .490228 au 
 T_jup = 2.940 
[ 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  

379983 (2012 TJ144)          Discovered 2010-Apr-22 by WISE at WISE
Reference: Last Updated: 2013-11-20

Alternate Designations
 2012 TJ144 = 2010 HX42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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