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11653 (1997 CA20)
Classification: Main-belt Asteroid          SPK-ID: 2011653
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04564610165191135 3.332e-08  
a 3.169192456640848 1.8572e-08 au
q 3.024531175610549 1.0871e-07 au
i 10.25361921040809 3.9381e-06 deg
node 144.4657923121021 2.3072e-05 deg
peri 327.5678539986351 5.3238e-05 deg
M 22.75270612694869 4.7424e-05 deg
tp 2458470.257745898640
(2018-Dec-17.75774590)
0.00027149 TDB
period 2060.731203351485
5.64
1.8114e-05
4.959e-08
d
yr
n .1746952729276441 1.5356e-09 deg/d
Q 3.313853737671148 1.942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1808  
   data-arc span      11435 days (31.31 yr)  
   first obs. used      1988-08-16  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51758  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:18:00  

Additional Information
 Earth MOID = 2.04603 au 
 Jupiter MOID = 1.7333 au 
 T_jup = 3.176 
[ 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 12.9   n/a MPO435810  
diameter diameter 13.125 km 0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11653 (1997 CA20)          Discovered 1997-Feb-12 by Kobayashi, T. at Oizumi
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CA20 = 1988 QG = 1991 CX4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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