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(2020 HP)
Classification: Apollo [NEO]          SPK-ID: 54016561
[ 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 2458941.5 (2020-Apr-02.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5530358851607092 0.0012242  
a 2.048082891309623 0.0052064 au
q .9154195566317012 0.0001801 au
i 2.960923664672845 0.0043861 deg
node 50.6244039491812 0.0058803 deg
peri 202.9782486784941 0.0019917 deg
M 341.828604703239 0.071897 deg
tp 2458995.538775150814
(2020-May-26.03877515)		 0.0077547 TDB
period 1070.581468103366
2.93		 4.0823
0.01118		 d
yr
n .3362658618010391 0.0012822 deg/d
Q 3.180746225987545 0.0080858 au
   Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      32 days  
   first obs. used      2020-03-22  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .45763  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-23 07:00:34  

Additional Information
 Earth MOID = .016163 au 
 Jupiter MOID = 1.89041 au 
 T_jup = 3.585 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.498570510727413E-6 -2.204722111613524E-7 -9.491908808239429E-6 7.188316191498755E-6 2.421630578582167E-6 5.369237448388974E-6
q -2.204722111613524E-7 3.243656635056648E-8 1.396400695467841E-6 -1.057676169215667E-6 -3.562335672429482E-7 -7.899291910675506E-7
tp -9.491908808239429E-6 1.396400695467841E-6 6.013548264422863E-5 -4.550235896490742E-5 -1.535053558567623E-5 -3.400913946287578E-5
node 7.188316191498755E-6 -1.057676169215667E-6 -4.550235896490742E-5 3.457796363911415E-5 1.155020512683593E-5 2.575103548443511E-5
peri 2.421630578582167E-6 -3.562335672429482E-7 -1.535053558567623E-5 1.155020512683593E-5 3.96702764186073E-6 8.679942572161479E-6
i 5.369237448388974E-6 -7.899291910675506E-7 -3.400913946287578E-5 2.575103548443511E-5 8.679942572161479E-6 1.923777180207809E-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 24.096   .297 2 autocmod 2.8

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