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(2020 WR1)
Classification: Aten [NEO]          SPK-ID: 54091635
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3195867948379796 0.0004423  
a .8424752344831716 0.0001254 au
q .5732312745643195 0.00045794 au
i 10.79498115305106 0.019837 deg
node 46.23058794661965 0.007026 deg
peri 207.7906235709524 0.0022792 deg
M 186.0963924558383 0.021695 deg
tp 2459336.939535481272
(2021-May-02.43953548)
0.013599 TDB
period 282.4451629664125
0.77
0.06306
0.0001726
d
yr
n 1.274583696952212 0.00028457 deg/d
Q 1.111719194402024 0.00016547 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      18 days  
   first obs. used      2020-11-18  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .41836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:18:34  

Additional Information
 Earth MOID = .0373687 au 
 Jupiter MOID = 3.92313 au 
 T_jup = 6.925 
[ 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 24.4   .35716 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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