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442653 (2012 TJ137)
Classification: Main-belt Asteroid          SPK-ID: 2442653
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511133704861264 5.9303e-08  
a 2.205075232956586 2.3893e-08 au
q 1.871858882329036 1.296e-07 au
i 1.300985300404538 6.0546e-06 deg
node 267.373080007876 0.00036473 deg
peri 131.7928821462689 0.00036711 deg
M 109.7304849019828 4.2106e-05 deg
tp 2458635.948960034066
(2019-Jun-01.44896003)
0.00013596 TDB
period 1196.006510906841
3.27
1.9439e-05
5.322e-08
d
yr
n .3010017058578046 4.8922e-09 deg/d
Q 2.538291583584136 2.7504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      5315 days (14.55 yr)  
   first obs. used      2005-07-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:42:25  

Additional Information
 Earth MOID = .879883 au 
 Jupiter MOID = 2.85615 au 
 T_jup = 3.646 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457179.5 (2015-Jun-06.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507972867828093 5.9463e-08  
q 1.872801370209821 1.3018e-07 au
tp 2457438.185337803438
(2016-Feb-19.68533780)
0.00012453 TDB
node 267.5293430931955 0.00036543 deg
peri 131.257955259079 0.00036781 deg
i 1.298957547326775 6.0535e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      5315 days (14.55 yr)  
   first obs. used      2005-07-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:42:25  

Additional Information
 Jupiter MOID = 2.85615 au 
 T_jup = 3.646 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.535881316301945E-15 -7.646701628866542E-15 -1.647641728163387E-12 -1.182949817915895E-13 -4.327575962687442E-13 -3.25127477790309E-15
q -7.646701628866542E-15 1.694693914697826E-14 5.070271465182026E-12 2.521759655266537E-13 1.417857630748174E-12 7.633262350172174E-15
tp -1.647641728163387E-12 5.070271465182026E-12 1.550821200443335E-8 -4.399868576254151E-12 5.265670380883328E-9 5.593602638173606E-12
node -1.182949817915895E-13 2.521759655266537E-13 -4.399868576254151E-12 1.335372574775364E-7 -1.335050451160655E-7 4.304196883681251E-10
peri -4.327575962687442E-13 1.417857630748174E-12 5.265670380883328E-9 -1.335050451160655E-7 1.352858802933607E-7 -4.284436999921036E-10
i -3.25127477790309E-15 7.633262350172174E-15 5.593602638173606E-12 4.304196883681251E-10 -4.284436999921036E-10 3.664515979625156E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.7   n/a MPO349191  

442653 (2012 TJ137)          Discovered 2007-Jan-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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