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101690 (1999 CA120)
Classification: Main-belt Asteroid          SPK-ID: 2101690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1968035721548457 4.2076e-08  
a 2.367744144890187 1.1e-08 au
q 1.901763639227078 1.0187e-07 au
i 10.70684191083756 5.6289e-06 deg
node 40.13713789525654 2.6152e-05 deg
peri 25.11182269561973 2.9855e-05 deg
M 354.1333402497424 1.6243e-05 deg
tp 2459022.186475912663
(2020-Jun-21.68647591)
6.012e-05 TDB
period 1330.762590793799
3.64
9.2734e-06
2.539e-08
d
yr
n .2705215810021081 1.8851e-09 deg/d
Q 2.833724650553297 1.3164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      7958 days (21.79 yr)  
   first obs. used      1999-01-09  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:02  

Additional Information
 Earth MOID = .919875 au 
 Jupiter MOID = 2.52996 au 
 T_jup = 3.497 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO449616  
diameter diameter 4.503 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101690 (1999 CA120)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 CA120 = 2001 QY108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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