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(2001 CA21)
Classification: Apollo [NEO, PHA]          SPK-ID: 3092289
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2451943.5 (2001-Feb-03.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7753789280052502 0.054687  
a 1.663866162461334 0.3421 au
q .3737394010678554 0.014168 au
i 4.95654724000439 0.30309 deg
node 46.64215596556536 5.118 deg
peri 218.6393108200826 5.8073 deg
M 336.2883463387281 8.4113 deg
tp 2451995.133950443981
(2001-Mar-26.63395044)
2.3921 TDB
period 783.927701769413
2.15
241.77
0.6619
d
yr
n .4592260219755463 0.14163 deg/d
Q 2.953992923854813 0.60735 au
  Orbit Determination Parameters
   # obs. used (total)      13  
   data-arc span      2 days  
   first obs. used      2001-02-02  
   last obs. used      2001-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .90046  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:16:32  

Additional Information
 Earth MOID = .0374655 au 
 Jupiter MOID = 2.15795 au 
 T_jup = 3.839 
[ 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 18.775   .46008 12 autocmod 2.6i

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