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(2021 CQ2)
Classification: Apollo [NEO]          SPK-ID: 54110692
[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6088307695844617 0.00078246  
a 2.472003326555407 0.0049239 au
q .9669716388333292 8.2102e-06 au
i 1.993671299331641 0.0021761 deg
node 346.2410405532509 0.0013268 deg
peri 119.057866564015 0.0011668 deg
M 353.1543430996349 0.019261 deg
tp 2459227.495080766510
(2021-Jan-12.99508077)		 0.0047018 TDB
period 1419.619653363776
3.89		 4.2415
0.01161		 d
yr
n .2535890505227813 0.00075767 deg/d
Q 3.977035014277485 0.0079217 au
   Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      15 days  
   first obs. used      2021-02-07  
   last obs. used      2021-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .57969  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-28 05:51:48  

Additional Information
 Earth MOID = .0230554 au 
 Jupiter MOID = 1.20751 au 
 T_jup = 3.198 
[ 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 24.39   .28926 E2021D77 autocmod 2.8

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