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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2075956587746312 3.6494e-08  
a 3.085120274503691 1.5113e-08 au
q 2.444662698719126 1.1268e-07 au
i 19.58611079142072 4.0789e-06 deg
node 79.04727694142711 1.401e-05 deg
peri 13.83570727239447 2.1363e-05 deg
M 31.49654900383106 1.3678e-05 deg
tp 2459027.332236609752
(2020-Jun-26.83223661)
7.4803e-05 TDB
period 1979.276993581315
5.42
1.4544e-05
3.982e-08
d
yr
n .1818845978442936 1.3365e-09 deg/d
Q 3.725577850288256 1.8251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1120  
   data-arc span      8148 days (22.31 yr)  
   first obs. used      1998-11-25  
   last obs. used      2021-03-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:04  

Additional Information
 Earth MOID = 1.46453 au 
 Jupiter MOID = 1.55852 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 14.38   n/a E2021B55  
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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