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(2020 JG2)
Classification: Apollo [NEO]          SPK-ID: 54017038
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4474592707171084 0.00069028  
a 1.510464615490264 0.0015334 au
q .8345932201989928 0.0001954 au
i 3.913796524815149 0.0047788 deg
node 141.4328935567482 0.028368 deg
peri 173.3563880997151 0.02803 deg
M 334.0612135788896 0.049611 deg
tp 2459049.355269471684
(2020-Jul-18.85526947)
0.019047 TDB
period 678.0539661443967
1.86
1.0325
0.002827
d
yr
n .5309311912841689 0.00080847 deg/d
Q 2.186336010781535 0.0022195 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      17 days  
   first obs. used      2020-05-15  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .32327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:04:53  

Additional Information
 Earth MOID = .0554536 au 
 Jupiter MOID = 3.12572 au 
 T_jup = 4.406 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458987.5 (2020-May-18.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4473814024055124 0.00069045  
q .8346025970025553 0.00019542 au
tp 2459049.359830087587
(2020-Jul-18.85983009)
0.019064 TDB
node 141.4909903874453 0.028137 deg
peri 173.3017710129167 0.027813 deg
i 3.912904444409772 0.0047834 deg
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      17 days  
   first obs. used      2020-05-15  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .32327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:04:53  

Additional Information
 Jupiter MOID = 3.12572 au 
 T_jup = 4.406 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.767164440860577E-7 -1.349291332418691E-7 -1.316276157000393E-5 1.940952147097252E-5 -1.918713145391749E-5 3.302653592242476E-6
q -1.349291332418691E-7 3.819062281603073E-8 3.725519868090856E-6 -5.493935605544587E-6 5.430900005875406E-6 -9.347791325176439E-7
tp -1.316276157000393E-5 3.725519868090856E-6 .0003634465018241928 -.0005358770475651691 .0005297463356665551 -9.119044918702858E-5
node 1.940952147097252E-5 -5.493935605544587E-6 -.0005358770475651691 .0007916863705708805 -.0007825610455552494 .0001344646606783311
peri -1.918713145391749E-5 5.430900005875406E-6 .0005297463356665551 -.0007825610455552494 .0007735571081226039 -.0001329237837416
i 3.302653592242476E-6 -9.347791325176439E-7 -9.119044918702858E-5 .0001344646606783311 -.0001329237837416 2.288055823528232E-5

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.22   .38962 11 autocmod 2.8

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