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85918 (1999 CD100)
Classification: Main-belt Asteroid          SPK-ID: 2085918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752412585631303 5.4014e-08  
a 2.736331928125658 1.9174e-08 au
q 2.256813677194441 1.5118e-07 au
i 6.27789357535663 6.0382e-06 deg
node 12.51581064996279 3.8784e-05 deg
peri 177.0642848980332 4.0796e-05 deg
M 226.3631982365631 1.5979e-05 deg
tp 2459614.226910358035
(2022-Feb-03.72691036)
7.7215e-05 TDB
period 1653.299725924318
4.53
1.7377e-05
4.758e-08
d
yr
n .2177463616276433 2.2887e-09 deg/d
Q 3.215850179056875 2.2534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      550  
   data-arc span      21582 days (59.09 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54148  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:41:17  

Additional Information
 Earth MOID = 1.25735 au 
 Jupiter MOID = 1.74055 au 
 T_jup = 3.321 
[ 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 15.4   n/a MPO453290  

85918 (1999 CD100)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 CD100 = 2001 SO223 = 2001 UX179 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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