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(2020 WH3)
Classification: Amor [NEO]          SPK-ID: 54092916
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459176.5 (2020-Nov-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4231188866871292 0.0011  
a 1.764583489553584 0.003498 au
q 1.017954887987182 8.997e-05 au
i 6.584809787363712 0.013856 deg
node 246.5157882178465 0.0038505 deg
peri 186.3725800685038 0.04468 deg
M 355.6512212914085 0.021221 deg
tp 2459186.842524348281
(2020-Dec-03.34252435)
0.035981 TDB
period 856.1734258920397
2.34
2.5459
0.00697
d
yr
n .4204755591718104 0.0012503 deg/d
Q 2.511212091119986 0.0049781 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      1 day  
   first obs. used      2020-11-22  
   last obs. used      2020-11-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .45544  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:18:40  

Additional Information
 Earth MOID = .0329925 au 
 Jupiter MOID = 2.79501 au 
 T_jup = 3.997 
[ 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 26.6   .26728 E2021-CC3 autocmod 2.8

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