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(2020 WM2)
Classification: Apollo [NEO]          SPK-ID: 54091661
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 2459174.5 (2020-Nov-21.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5993609008809235 0.0013681  
a 1.937838262294208 0.0059293 au
q .7763737756440282 0.00027559 au
i 7.736564070091012 0.013253 deg
node 251.4352100075158 0.0053054 deg
peri 238.0979456100518 0.0064426 deg
M 342.9933677721194 0.089848 deg
tp 2459221.046875756835
(2021-Jan-06.54687576)
0.03228 TDB
period 985.3141437955846
2.70
4.5222
0.01238
d
yr
n .3653657082534343 0.0016769 deg/d
Q 3.099302748944389 0.0094831 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      5 days  
   first obs. used      2020-11-20  
   last obs. used      2020-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .30196  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-25 05:21:41  

Additional Information
 Earth MOID = .0140036 au 
 Jupiter MOID = 2.04348 au 
 T_jup = 3.653 
[ 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 25.065   .29917 5 autocmod 2.8

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