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JPL Small-Body Database Browser
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52511 (1996 GH12)
Classification: Jupiter Trojan          SPK-ID: 2052511
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06657679503823895 6.0866e-08  
a 5.242373810375754 9.3565e-08 au
q 4.893353363688536 3.366e-07 au
i 9.40454477069936 5.0435e-06 deg
node 123.28411422 3.9963e-05 deg
peri 100.911242616526 5.6721e-05 deg
M 6.005687939407943 3.8768e-05 deg
tp 2458927.360722441294
(2020-Mar-18.86072244)
0.00047264 TDB
period 4384.200475745997
12.00
0.00011737
3.213e-07
d
yr
n .08211303337782333 2.1983e-09 deg/d
Q 5.591394257062972 9.9794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      10776 days (29.50 yr)  
   first obs. used      1990-10-25  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:23:18  

Additional Information
 Earth MOID = 3.90031 au 
 Jupiter MOID = .0294762 au 
 T_jup = 2.969 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456976.5 (2014-Nov-15.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06471973679725632 6.0776e-08  
q 4.907249223794619 3.3579e-07 au
tp 2458918.142559575544
(2020-Mar-09.64255958)
0.00048729 TDB
node 123.2868451776 3.9972e-05 deg
peri 99.74022832699275 5.7588e-05 deg
i 9.401291821604278 5.0413e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      10776 days (29.50 yr)  
   first obs. used      1990-10-25  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:23:18  

Additional Information
 Jupiter MOID = .0294762 au 
 T_jup = 2.969 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.693718412513645E-15 -1.967107640444709E-14 -2.184235503204795E-13 6.618195552665446E-16 9.067733292416676E-14 -1.945679000628993E-15
q -1.967107640444709E-14 1.127574754163079E-13 -1.006826747423064E-11 1.138314953146962E-14 -1.790633643760963E-12 1.180870311268733E-14
tp -2.184235503204795E-13 -1.006826747423064E-11 2.374499841190856E-7 -3.31762019611985E-11 2.024395696339859E-8 -1.29371368698324E-12
node 6.618195552665446E-16 1.138314953146962E-14 -3.31762019611985E-11 1.597765305487921E-9 -1.579369096408118E-9 -7.945379481952332E-12
peri 9.067733292416676E-14 -1.790633643760963E-12 2.024395696339859E-8 -1.579369096408118E-9 3.316425285215384E-9 7.598618876407419E-12
i -1.945679000628993E-15 1.180870311268733E-14 -1.29371368698324E-12 -7.945379481952332E-12 7.598618876407419E-12 2.541471485312309E-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 12.1   n/a MPO436151  
diameter diameter 21.583 km 0.799 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.060   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

52511 (1996 GH12)          Discovered 1996-Apr-15 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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