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91253 (1999 CM65)
Classification: Main-belt Asteroid          SPK-ID: 2091253
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006541984500072 4.2782e-08  
a 2.252803326484222 1.0401e-08 au
q 2.026049213391443 9.4605e-08 au
i 6.313218867278611 4.5462e-06 deg
node 271.6045086500674 4.6645e-05 deg
peri 185.382274094484 5.4684e-05 deg
M 144.9120135557867 2.8097e-05 deg
tp 2458503.352528144250
(2019-Jan-19.85252814)
9.5579e-05 TDB
period 1235.046601565376
3.38
8.5529e-06
2.342e-08
d
yr
n .2914869767211319 2.0186e-09 deg/d
Q 2.479557439577002 1.1448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      7819 days (21.41 yr)  
   first obs. used      1999-01-18  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:38:34  

Additional Information
 Earth MOID = 1.04296 au 
 Jupiter MOID = 2.65734 au 
 T_jup = 3.611 
[ 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 15.6   n/a MPO351485  

91253 (1999 CM65)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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