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295390 (2008 JG6)
Classification: Main-belt Asteroid          SPK-ID: 2295390
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08439598611219891 5.4237e-08  
a 3.057091087014959 4.2189e-08 au
q 2.799084870091518 1.7322e-07 au
i 13.58014449165545 6.3862e-06 deg
node 161.4950808010391 2.6042e-05 deg
peri 271.5125724114041 4.6823e-05 deg
M 234.8083043079125 4.0918e-05 deg
tp 2459679.444096274719
(2022-Apr-09.94409627)
0.00022635 TDB
period 1952.364917718315
5.35
4.0415e-05
1.107e-07
d
yr
n .1843917582890825 3.817e-09 deg/d
Q 3.315097303938401 4.575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      6679 days (18.29 yr)  
   first obs. used      2002-01-14  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:42:02  

Additional Information
 Earth MOID = 1.85586 au 
 Jupiter MOID = 1.93699 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457385.5 (2015-Dec-29.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08697381739605455 5.4797e-08  
q 2.787784673139136 1.7565e-07 au
tp 2457718.592272137724
(2016-Nov-26.09227214)
0.00020646 TDB
node 161.8162659761426 2.6082e-05 deg
peri 269.4661185819727 4.5531e-05 deg
i 13.57110370192076 6.3861e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      6679 days (18.29 yr)  
   first obs. used      2002-01-14  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:42:02  

Additional Information
 Jupiter MOID = 1.93699 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.002671353866026E-15 -9.406226940026415E-15 -1.224814524577332E-12 -1.383616198637967E-14 -1.713826777920805E-13 -1.233087363173018E-15
q -9.406226940026415E-15 3.085142339568335E-14 5.406254169255492E-12 4.197103088495771E-14 7.591398993204458E-13 7.628736598568882E-15
tp -1.224814524577332E-12 5.406254169255492E-12 4.262385742262712E-8 1.662827606234739E-11 7.745257834682087E-9 2.797401146370231E-12
node -1.383616198637967E-14 4.197103088495771E-14 1.662827606234739E-11 6.802555196753841E-10 -6.577935567396573E-10 1.975935951094729E-12
peri -1.713826777920805E-13 7.591398993204458E-13 7.745257834682087E-9 -6.577935567396573E-10 2.073075172380247E-9 -1.669671401456791E-12
i -1.233087363173018E-15 7.628736598568882E-15 2.797401146370231E-12 1.975935951094729E-12 -1.669671401456791E-12 4.078214389294546E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO437320  

295390 (2008 JG6)          Discovered 2008-May-02 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 JG6 = 2005 WK209 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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