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129751 (1999 CP145)
Classification: Main-belt Asteroid          SPK-ID: 2129751
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .162896889848168 4.801e-08  
a 2.298693001329964 1.0329e-08 au
q 1.924243060697562 1.1184e-07 au
i 1.543737670181764 6.8147e-06 deg
node 335.9429470270862 0.00017601 deg
peri 70.77533102649632 0.00017725 deg
M 134.5676742838619 2.036e-05 deg
tp 2458524.663082942288
(2019-Feb-10.16308294)
7.1023e-05 TDB
period 1272.975036927718
3.49
8.5799e-06
2.349e-08
d
yr
n .2828020892450866 1.9061e-09 deg/d
Q 2.673142941962366 1.2011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      7750 days (21.22 yr)  
   first obs. used      1999-02-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:46:54  

Additional Information
 Earth MOID = .934511 au 
 Jupiter MOID = 2.70262 au 
 T_jup = 3.575 
[ 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 17.2   n/a MPO366670  

129751 (1999 CP145)          Discovered 1999-Feb-08 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1999 CP145 = 2001 YZ52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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