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295431 (2008 KG36)
Classification: Jupiter Trojan          SPK-ID: 2295431
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06006005889489517 6.4423e-08  
a 5.260282731193439 1.7326e-07 au
q 4.944349840554161 4.5756e-07 au
i 13.60640459996657 7.2572e-06 deg
node 190.02295719 2.7138e-05 deg
peri 122.3217729658006 7.6384e-05 deg
M 298.8747035082735 7.3218e-05 deg
tp 2459748.722107215343
(2022-Jun-18.22210722)
0.00090285 TDB
period 4406.685514138681
12.06
0.00021771
5.961e-07
d
yr
n .08169405301216841 4.0361e-09 deg/d
Q 5.576215621832717 1.8366e-07 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      8795 days (24.08 yr)  
   first obs. used      1996-05-17  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:17:54  

Additional Information
 Earth MOID = 3.95473 au 
 Jupiter MOID = .0737931 au 
 T_jup = 2.940 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457875.5 (2017-May-02.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05923100523033781 6.3487e-08  
q 4.93477666215903 4.5167e-07 au
tp 2459780.994301486153
(2022-Jul-20.49430149)
0.00092581 TDB
node 190.04810403048 2.7114e-05 deg
peri 125.1519889558527 7.8105e-05 deg
i 13.62184476952338 7.264e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      8795 days (24.08 yr)  
   first obs. used      1996-05-17  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:17:54  

Additional Information
 Jupiter MOID = .0737931 au 
 T_jup = 2.940 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.030585519630937E-15 -2.745975419656153E-14 -1.816966333463087E-11 1.903991231914842E-14 -1.005793047337522E-12 4.036875698138242E-15
q -2.745975419656153E-14 2.040064819156111E-13 1.288134364824875E-10 -1.404420148905141E-13 6.51064215832735E-12 -2.995476969732758E-14
tp -1.816966333463087E-11 1.288134364824875E-10 8.571214426206595E-7 -2.48958702654881E-10 6.743299545438357E-8 4.662147462692586E-11
node 1.903991231914842E-14 -1.404420148905141E-13 -2.48958702654881E-10 7.351886226094325E-10 -7.32069479571784E-10 9.426400073090259E-11
peri -1.005793047337522E-12 6.51064215832735E-12 6.743299545438357E-8 -7.32069479571784E-10 6.100433881333386E-9 -8.729941053665217E-11
i 4.036875698138242E-15 -2.995476969732758E-14 4.662147462692586E-11 9.426400073090259E-11 -8.729941053665217E-11 5.276634210970442E-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 13.6   n/a MPO433904  
diameter diameter 12.946 km 1.929 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.038   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

295431 (2008 KG36)          Discovered 2008-May-29 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 KG36 = 2007 EL118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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