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(2021 CW2)
Classification: Apollo [NEO]          SPK-ID: 54110697
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1413430866551624 0.00014147  
a 1.162475927488684 0.00019428 au
q .9981679917351104 2.892e-06 au
i 5.299497329686432 0.0048568 deg
node 318.4388541222575 0.00011449 deg
peri 220.8324684249675 0.0060561 deg
M 130.4796567920303 0.054108 deg
tp 2458834.573908108516
(2019-Dec-17.07390811)
0.1104 TDB
period 457.7985147228153
1.25
0.11477
0.0003142
d
yr
n .7863721449991387 0.00019714 deg/d
Q 1.326783863242257 0.00022175 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      10 days  
   first obs. used      2021-02-05  
   last obs. used      2021-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .44991  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-16 06:51:09  

Additional Information
 Earth MOID = .0315517 au 
 Jupiter MOID = 3.63824 au 
 T_jup = 5.408 
[ 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 27.8   .28823 E2021D10 autocmod 2.8

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