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100531 (1997 CP12)
Classification: Main-belt Asteroid          SPK-ID: 2100531
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788440544364719 3.4743e-08  
a 2.427823251340488 9.9605e-09 au
q 1.993621497615617 8.6888e-08 au
i 1.984789650632825 4.0878e-06 deg
node 121.807366567731 0.00014329 deg
peri 295.8612989283667 0.0001441 deg
M 179.7168661390371 1.5638e-05 deg
tp 2458510.720373967932
(2019-Jan-27.22037397)		 5.8482e-05 TDB
period 1381.732670429677
3.78		 8.5032e-06
2.328e-08		 d
yr
n .2605424390001945 1.6034e-09 deg/d
Q 2.862025005065359 1.1742e-08 au
   Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      8480 days (23.22 yr)  
   first obs. used      1997-02-03  
   last obs. used      2020-04-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58156  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:36  

Additional Information
 Earth MOID = 1.00601 au 
 Jupiter MOID = 2.4766 au 
 T_jup = 3.487 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.73   n/a E2021B55  

100531 (1997 CP12)          Discovered 1997-Feb-03 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 CP12 = 2003 UA212 = 2003 UW266 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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