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442763 (2012 XG53)
Classification: Jupiter Trojan          SPK-ID: 2442763
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08967635440114693 1.4506e-07  
a 5.158460698839454 5.7938e-07 au
q 4.695868749045939 4.8135e-07 au
i 22.25673546948558 6.5929e-06 deg
node 109.9603768434205 2.8522e-05 deg
peri 84.23044722737536 7.7596e-05 deg
M 173.2483406812678 8.7332e-05 deg
tp 2457141.078705672314
(2015-Apr-28.57870567)
0.00075635 TDB
period 4279.357961193615
11.72
0.00072097
1.974e-06
d
yr
n .08412476901081381 1.4173e-08 deg/d
Q 5.621052648632968 6.3134e-07 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      4034 days (11.04 yr)  
   first obs. used      2009-10-18  
   last obs. used      2020-11-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65969  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:45:20  

Additional Information
 Earth MOID = 3.78753 au 
 Jupiter MOID = .00524531 au 
 T_jup = 2.844 
[ 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 MPO456097  

442763 (2012 XG53)          Discovered 2009-Oct-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 XG53 = 2009 UE24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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