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(2021 CR8)
Classification: Apollo [NEO]          SPK-ID: 54121896
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6285195896163196 0.00015605  
a 2.731614365224612 0.0011853 au
q 1.014741225403595 1.4075e-05 au
i 24.56092970521383 0.0038815 deg
node 325.3912004984475 0.0022373 deg
peri 224.1297787413731 0.00096023 deg
M 335.3391995938988 0.016378 deg
tp 2459313.461948827258
(2021-Apr-08.96194883)
0.0015024 TDB
period 1649.026021383793
4.51
1.0733
0.002939
d
yr
n .2183106848113307 0.0001421 deg/d
Q 4.448487505045629 0.0019303 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      58 days  
   first obs. used      2021-02-12  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .3251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:25:30  

Additional Information
 Earth MOID = .122302 au 
 Jupiter MOID = 1.26707 au 
 T_jup = 2.930 
[ 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 22.27   .17659 E2021-CX0 autocmod 2.8

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