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(2020 JH1)
Classification: Apollo [NEO]          SPK-ID: 54016994
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1973691864751378 1.56e-05  
a 1.192927770723737 1.8202e-05 au
q .9574805870923933 4e-06 au
i 4.134608079176731 0.00030092 deg
node 239.313271397686 0.00021603 deg
peri 72.98253202939605 0.00012128 deg
M 313.271836047255 0.001324 deg
tp 2459062.272597905833
(2020-Jul-31.77259791)
0.00034126 TDB
period 475.9043233239087
1.30
0.010892
2.982e-05
d
yr
n .7564545694513009 1.7314e-05 deg/d
Q 1.428374954355081 2.1795e-05 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      195 days  
   first obs. used      2020-05-11  
   last obs. used      2020-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .61109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-22 05:19:40  

Additional Information
 Earth MOID = .0268014 au 
 Jupiter MOID = 3.78207 au 
 T_jup = 5.298 
[ show covariance matrix ]

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 24.998   .40832 8 autocmod 2.8

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