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101646 (1999 CQ56)
Classification: Main-belt Asteroid          SPK-ID: 2101646
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1985112687868963 2.9189e-08  
a 2.559203575791965 8.9688e-09 au
q 2.05117282687754 7.4277e-08 au
i 6.718800251929284 4.114e-06 deg
node 119.3614772028031 3.2559e-05 deg
peri 24.11232232482975 3.5644e-05 deg
M 79.30687707151522 1.4837e-05 deg
tp 2458671.069332992342
(2019-Jul-06.56933299)
6.0512e-05 TDB
period 1495.394151200955
4.09
7.861e-06
2.152e-08
d
yr
n .2407392055872915 1.2655e-09 deg/d
Q 3.067234324706391 1.0749e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      10713 days (29.33 yr)  
   first obs. used      1991-03-20  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:19  

Additional Information
 Earth MOID = 1.06606 au 
 Jupiter MOID = 1.95941 au 
 T_jup = 3.398 
[ 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 15.3   n/a MPO337993  

101646 (1999 CQ56)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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