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(2020 HV)
Classification: Apollo [NEO]          SPK-ID: 54016565
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3310990127152366 0.0001024  
a 1.424998614531967 0.00019968 au
q .9531829801398528 1.239e-05 au
i 2.80966324155452 0.0003804 deg
node 32.64999579819514 0.00044029 deg
peri 214.6271941576339 0.00059207 deg
M 5.562830713833492 0.00039618 deg
tp 2458990.899067130292
(2020-May-21.39906713)
0.0014128 TDB
period 621.3268048045655
1.70
0.1306
0.0003576
d
yr
n .5794052296089748 0.00012179 deg/d
Q 1.896814248924081 0.0002658 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      1 day  
   first obs. used      2020-04-18  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .35533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-11 05:54:45  

Additional Information
 Earth MOID = .00233956 au 
 Jupiter MOID = 3.13663 au 
 T_jup = 4.638 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458958.5 (2020-Apr-19.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3425953881091799 9.68e-05  
q .9540683069708279 1.2832e-05 au
tp 2458990.145013436606
(2020-May-20.64501344)
0.00081385 TDB
node 33.02286737346473 0.00030084 deg
peri 213.4846018522866 0.00089916 deg
i 2.490629958943736 0.00053606 deg
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      1 day  
   first obs. used      2020-04-18  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .35533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-11 05:54:45  

Additional Information
 Jupiter MOID = 3.13663 au 
 T_jup = 4.638 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.370268479038289E-9 -1.23880758447455E-9 -7.462726795304946E-8 1.449439795271018E-8 6.576211531256524E-8 4.999943276238492E-8
q -1.23880758447455E-9 1.646523941931524E-10 9.622417096420251E-9 -1.687155686914668E-9 -9.239018508711802E-9 -6.73664233717348E-9
tp -7.462726795304946E-8 9.622417096420251E-9 6.623453018279445E-7 -1.79013350888406E-7 -3.721009663391959E-7 -3.630645694471467E-7
node 1.449439795271018E-8 -1.687155686914668E-9 -1.79013350888406E-7 9.050746537568948E-8 -4.875973495696427E-8 4.008783829068373E-8
peri 6.576211531256524E-8 -9.239018508711802E-9 -3.721009663391959E-7 -4.875973495696427E-8 8.084838402996095E-7 4.336931411640996E-7
i 4.999943276238492E-8 -6.73664233717348E-9 -3.630645694471467E-7 4.008783829068373E-8 4.336931411640996E-7 2.873634485680965E-7

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 28.793   .28084 3 autocmod 2.8

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