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101639 (1999 CP45)
Classification: Outer Main-belt Asteroid          SPK-ID: 2101639
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05662383644966611 5.2875e-08  
a 3.221226599948962 3.3792e-08 au
q 3.038828391786138 1.8355e-07 au
i 21.00008644766627 7.7709e-06 deg
node 335.2731029875299 1.3729e-05 deg
peri 87.2615220079894 8.9886e-05 deg
M 1.598924861312012 8.3794e-05 deg
tp 2459191.121013807902
(2020-Dec-07.62101381)
0.00049155 TDB
period 2111.690868565619
5.78
3.3229e-05
9.098e-08
d
yr
n .1704794983768304 2.6826e-09 deg/d
Q 3.403624808111786 3.5706e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      8013 days (21.94 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55118  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:48  

Additional Information
 Earth MOID = 2.13052 au 
 Jupiter MOID = 1.79586 au 
 T_jup = 3.082 
[ 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 14.17   n/a E2021B55  
diameter diameter 7.857 km 0.308 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101639 (1999 CP45)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 CP45 = 2002 RM186 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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