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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0898722422377114 2.2243e-07  
a 5.157864136952693 1.1285e-06 au
q 4.694315321807276 4.8263e-07 au
i 22.25657972699934 7.3296e-06 deg
node 109.9590972832343 2.9386e-05 deg
peri 84.38400746110004 9.8186e-05 deg
M 156.2351678383696 8.4903e-05 deg
tp 2457143.638243310981
(2015-May-01.13824331)
0.00096629 TDB
period 4278.615638571217
11.71
0.0014042
3.844e-06
d
yr
n .08413936432023535 2.7614e-08 deg/d
Q 5.621412952098109 1.23e-06 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      3187 days (8.73 yr)  
   first obs. used      2009-10-18  
   last obs. used      2018-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .65724  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:58:58  

Additional Information
 Earth MOID = 3.78656 au 
 Jupiter MOID = .00354893 au 
 T_jup = 2.844 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457181.5 (2015-Jun-08.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09140959269567804 2.2233e-07  
q 4.685804485346281 4.853e-07 au
tp 2457143.746995069349
(2015-May-01.24699507)
0.00094226 TDB
node 109.9736979766162 2.9387e-05 deg
peri 84.12303086296656 9.61e-05 deg
i 22.25773629056969 7.3299e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      3187 days (8.73 yr)  
   first obs. used      2009-10-18  
   last obs. used      2018-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .65724  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:58:58  

Additional Information
 Jupiter MOID = .00354893 au 
 T_jup = 2.844 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.943070346494539E-14 -4.708152235623348E-14 -3.835528052455427E-11 6.118511722357319E-14 -4.035377390403282E-12 -1.670733577330577E-14
q -4.708152235623348E-14 2.35511693809893E-13 -3.627895820101844E-11 -3.422549550450706E-14 -3.010167624849494E-12 2.027313041483319E-13
tp -3.835528052455427E-11 -3.627895820101844E-11 8.878494161613077E-7 -5.536147631992328E-10 8.664969654660894E-8 -1.253217337738378E-10
node 6.118511722357319E-14 -3.422549550450706E-14 -5.536147631992328E-10 8.635715289668237E-10 -8.53064388691949E-10 -1.888126151743701E-11
peri -4.035377390403282E-12 -3.010167624849494E-12 8.664969654660894E-8 -8.53064388691949E-10 9.235134559880772E-9 5.732708091305998E-12
i -1.670733577330577E-14 2.027313041483319E-13 -1.253217337738378E-10 -1.888126151743701E-11 5.732708091305998E-12 5.372777943896391E-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 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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