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101691 (1999 CO120)
Classification: Main-belt Asteroid          SPK-ID: 2101691
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 .2075155398599495 4.9799e-08  
a 3.084893443707402 2.0769e-08 au
q 2.444730115326042 1.6162e-07 au
i 19.58745188002492 5.639e-06 deg
node 79.05001648713194 1.5188e-05 deg
peri 13.86203949035239 2.3817e-05 deg
M 355.1011060570594 1.7058e-05 deg
tp 2459027.431107584290
(2020-Jun-26.93110758)
9.3936e-05 TDB
period 1979.058710653529
5.42
1.9986e-05
5.472e-08
d
yr
n .1819046590493114 1.837e-09 deg/d
Q 3.725056772088763 2.5079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      8023 days (21.97 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:48  

Additional Information
 Earth MOID = 1.46491 au 
 Jupiter MOID = 1.55856 au 
 T_jup = 3.106 
[ 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 14.3   n/a MPO333627  
diameter diameter 3.743 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.317   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101691 (1999 CO120)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 CO120 = 2000 JT9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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