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(2021 CV4)
Classification: Apollo [NEO]          SPK-ID: 54114198
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5908507352483243 0.00026549  
a 1.265586080018599 0.00056412 au
q .5178136141195653 0.00010519 au
i 19.52917202303661 0.010806 deg
node 140.9039378451479 0.00011402 deg
peri 252.3953929690039 0.0044771 deg
M 359.712743469828 0.0096302 deg
tp 2459200.914957263058
(2020-Dec-17.41495726)
0.014189 TDB
period 520.0390557232425
1.42
0.3477
0.000952
d
yr
n .6922556989480938 0.00046285 deg/d
Q 2.013358545917633 0.00089743 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      10 days  
   first obs. used      2021-02-09  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .5579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:25:13  

Additional Information
 Earth MOID = .0071084 au 
 Jupiter MOID = 3.57618 au 
 T_jup = 4.861 
[ 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 24.60   .45251 E2021D54 autocmod 2.8

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