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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3309375161917868 0.00010246  
a 1.424597722229165 0.00019966 au
q .9531448904621678 1.2415e-05 au
i 2.809677298059716 0.00038047 deg
node 32.63431716420884 0.00044769 deg
peri 214.6196386968089 0.00059195 deg
M 121.5107049482526 0.024748 deg
tp 2458990.872220054082
(2020-May-21.37222005)
0.0013999 TDB
period 621.0646281137873
1.70
0.13056
0.0003575
d
yr
n .5796498201698314 0.00012186 deg/d
Q 1.896050553996161 0.00026573 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .35533  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:02  

Additional Information
 Earth MOID = .00257318 au 
 Jupiter MOID = 3.13624 au 
 T_jup = 4.639 
[ 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 28.8   .28084 MPO546170 autocmod 2.8

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