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101687 (1999 CA117)
Classification: Main-belt Asteroid          SPK-ID: 2101687
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0962366499526754 6.7242e-08  
a 2.757218958660776 1.809e-08 au
q 2.491873442893259 1.9294e-07 au
i 8.132213895766309 4.7208e-06 deg
node 293.4105579566151 3.595e-05 deg
peri 209.5611517645454 4.3606e-05 deg
M 282.8318394245657 2.8326e-05 deg
tp 2459558.960212946382
(2021-Dec-10.46021295)
0.00013277 TDB
period 1672.265811422981
4.58
1.6458e-05
4.506e-08
d
yr
n .2152767804860313 2.1186e-09 deg/d
Q 3.022564474428294 1.9831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      8024 days (21.97 yr)  
   first obs. used      1999-02-12  
   last obs. used      2021-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53217  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:03  

Additional Information
 Earth MOID = 1.50855 au 
 Jupiter MOID = 2.03376 au 
 T_jup = 3.322 
[ 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 MPO348132  

101687 (1999 CA117)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 CA117 = 2001 QY118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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