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(2021 CA1)
Classification: Apollo [NEO]          SPK-ID: 54110062
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332420916613185 0.00031561  
a 1.138200207225846 0.00036963 au
q .9865440308857282 9.1271e-05 au
i 6.425759961685633 0.012458 deg
node 315.9922480785722 0.00060633 deg
peri 210.14782665 0.075641 deg
M 296.3123695769548 0.053841 deg
tp 2459278.965547124003
(2021-Mar-05.46554712)
0.066923 TDB
period 443.5334895804172
1.21
0.21606
0.0005915
d
yr
n .8116636250862592 0.00039538 deg/d
Q 1.289856383565964 0.00041888 au
  Orbit Determination Parameters
   # obs. used (total)      12  
   data-arc span      1 day  
   first obs. used      2021-02-05  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .72657  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:24:51  

Additional Information
 Earth MOID = .0141072 au 
 Jupiter MOID = 3.68322 au 
 T_jup = 5.493 
[ 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 28.4   .23181 E2021C77 autocmod 2.8

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