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(2020 HE5)
Classification: Apollo [NEO]          SPK-ID: 54016725
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 .07520769871498512 5.2582e-05  
a 1.002547984923509 1.7135e-05 au
q .9271486581260663 3.6914e-05 au
i 7.216452621826095 0.0069354 deg
node 211.254041073555 0.00061487 deg
peri 251.0779367900509 0.010382 deg
M 336.4291640676842 0.023284 deg
tp 2459224.506489852740
(2021-Jan-10.00648985)
0.02433 TDB
period 366.6537908033059
1.00
0.0094002
2.574e-05
d
yr
n .9818526605473572 2.5173e-05 deg/d
Q 1.077947311720952 1.8424e-05 au
  Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      7 days  
   first obs. used      2020-04-22  
   last obs. used      2020-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .34446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:25  

Additional Information
 Earth MOID = .0142983 au 
 Jupiter MOID = 3.94914 au 
 T_jup = 6.059 
[ 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 27.7   .35737 E2020-HM9 autocmod 2.8

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