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(2021 CP7)
Classification: Apollo [NEO]          SPK-ID: 54117584
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 2459260.5 (2021-Feb-15.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5107139877057953 0.00087758  
a 1.877213386904764 0.0031685 au
q .9184942523039298 9.7103e-05 au
i .320530814942049 0.00046055 deg
node 47.09036549310847 0.01931 deg
peri 143.8011188993264 0.013096 deg
M 346.7265932480939 0.036373 deg
tp 2459295.137679803019
(2021-Mar-21.63767980)
0.0072223 TDB
period 939.4396602286109
2.57
2.3785
0.006512
d
yr
n .3832071555424801 0.00097021 deg/d
Q 2.835932521505598 0.0047867 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      7 days  
   first obs. used      2021-02-12  
   last obs. used      2021-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .48935  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-20 05:21:21  

Additional Information
 Earth MOID = .000724645 au 
 Jupiter MOID = 2.11881 au 
 T_jup = 3.805 
[ 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 27.77   .36488 E2021D54 autocmod 2.8

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