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86439 (2000 CW18)
Classification: Main-belt Asteroid          SPK-ID: 2086439
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2093398390944701 3.3367e-08  
a 2.193307066151648 6.6026e-09 au
q 1.734160517838698 7.5778e-08 au
i 4.164286804474889 3.4366e-06 deg
node 296.6279864671245 5.1054e-05 deg
peri 351.1526951458908 5.2114e-05 deg
M 307.2444948283074 1.0168e-05 deg
tp 2459174.365281827536
(2020-Nov-20.86528183)
3.3693e-05 TDB
period 1186.444926538172
3.25
5.3574e-06
1.467e-08
d
yr
n .3034274848731612 1.3701e-09 deg/d
Q 2.652453614464599 7.9847e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1069  
   data-arc span      7934 days (21.72 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:22:32  

Additional Information
 Earth MOID = .717949 au 
 Jupiter MOID = 2.52009 au 
 T_jup = 3.639 
[ 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 15.4   n/a MPO417418  
diameter diameter 2.475 km 0.395 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.219   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

86439 (2000 CW18)          Discovered 2000-Feb-02 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2000 CW18 = 1998 SD121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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