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186736 (2004 CB21)
Classification: Main-belt Asteroid          SPK-ID: 2186736
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1562034466152992 3.83e-08  
a 2.351852445213032 1.2706e-08 au
q 1.984484987340138 8.6956e-08 au
i 3.032661411357833 4.0616e-06 deg
node 90.78727285291404 8.1369e-05 deg
peri 69.26995841553114 8.3042e-05 deg
M 222.0581216368843 1.8723e-05 deg
tp 2459705.285844498820
(2022-May-05.78584450)
7.1324e-05 TDB
period 1317.387483598064
3.61
1.0676e-05
2.923e-08
d
yr
n .2732681192755557 2.2145e-09 deg/d
Q 2.719219903085927 1.469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      7610 days (20.84 yr)  
   first obs. used      2000-01-05  
   last obs. used      2020-11-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52454  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:29  

Additional Information
 Earth MOID = .995423 au 
 Jupiter MOID = 2.26236 au 
 T_jup = 3.539 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO433227  

186736 (2004 CB21)          Discovered 2004-Feb-11 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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