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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4477719448894489 0.0005116  
a 1.511254363168031 0.0011381 au
q .8345570577496164 0.00014466 au
i 3.920137496496427 0.0035317 deg
node 141.3534086747835 0.021417 deg
peri 173.4376008615156 0.021106 deg
M 80.19034920244223 0.083128 deg
tp 2459049.344350970853
(2020-Jul-18.84435097)
0.014061 TDB
period 678.5858172673447
1.86
0.76656
0.002099
d
yr
n .5305150665389895 0.0005993 deg/d
Q 2.187951668586446 0.0016477 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   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      .33226  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-22 06:34:00  

Additional Information
 Earth MOID = .0557962 au 
 Jupiter MOID = 3.1241 au 
 T_jup = 4.405 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458989.5 (2020-May-20.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4477827029412205 0.00051119  
q .8344888203725861 0.00014466 au
tp 2459049.348534258292
(2020-Jul-18.84853426)
0.014096 TDB
node 141.5032834186131 0.021005 deg
peri 173.2894976813117 0.020751 deg
i 3.915650113052542 0.0035416 deg
  Orbit Determination Parameters
   # obs. used (total)      116  
   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      .33226  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-22 06:34:00  

Additional Information
 Jupiter MOID = 3.1241 au 
 T_jup = 4.405 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.613113585098628E-7 -7.394765790540451E-8 -7.205697010616501E-6 1.072573270290636E-5 -1.059683613753646E-5 1.810400739356862E-6
q -7.394765790540451E-8 2.092651534332039E-8 2.039084702744293E-6 -3.035404735350151E-6 2.998869646896935E-6 -5.123201650753065E-7
tp -7.205697010616501E-6 2.039084702744293E-6 .000198701865506724 -.0002957329917402952 .0002921852107900282 -4.992196123486074E-5
node 1.072573270290636E-5 -3.035404735350151E-6 -.0002957329917402952 .0004411953846883536 -.0004358602240328127 7.430748581267075E-5
peri -1.059683613753646E-5 2.998869646896935E-6 .0002921852107900282 -.0004358602240328127 .0004306003506782977 -7.341432773198708E-5
i 1.810400739356862E-6 -5.123201650753065E-7 -4.992196123486074E-5 7.430748581267075E-5 -7.341432773198708E-5 1.254273108661364E-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 23.2   .37932 E2020-QF4 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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