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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788353258610826 3.4712e-08  
a 2.427951024624583 9.9929e-09 au
q 1.993747611961097 8.6803e-08 au
i 1.984771830633041 4.0888e-06 deg
node 121.8074701329352 0.00014329 deg
peri 295.8999672285065 0.0001441 deg
M 127.5578838735838 1.5524e-05 deg
tp 2458510.875529176404
(2019-Jan-27.37552918)
5.8542e-05 TDB
period 1381.84175014366
3.78
8.531e-06
2.336e-08
d
yr
n .2605218723219019 1.6084e-09 deg/d
Q 2.862154437288071 1.178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      8480 days (23.22 yr)  
   first obs. used      1997-02-03  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:53:37  

Additional Information
 Earth MOID = 1.00687 au 
 Jupiter MOID = 2.4757 au 
 T_jup = 3.486 
[ 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 16.6   n/a MPO417507  

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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