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JPL Small-Body Database Browser
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376821 (2001 CL18)
Classification: Main-belt Asteroid          SPK-ID: 2376821
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2329763765786816 6.4197e-08  
a 2.721844104755226 1.5068e-08 au
q 2.087718727617308 1.741e-07 au
i 10.58593088657965 6.7708e-06 deg
node 112.7914594027772 4.1537e-05 deg
peri 10.49440660710533 4.5388e-05 deg
M 118.8766397752814 1.6028e-05 deg
tp 2458458.889198066964
(2018-Dec-06.38919807)
7.1431e-05 TDB
period 1640.186743707371
4.49
1.362e-05
3.729e-08
d
yr
n .2194872025280972 1.8226e-09 deg/d
Q 3.355969481893144 1.8579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      9983 days (27.33 yr)  
   first obs. used      1992-01-30  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57093  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:55:49  

Additional Information
 Earth MOID = 1.10447 au 
 Jupiter MOID = 1.74149 au 
 T_jup = 3.294 
[ 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 16.4   n/a MPO476767  
diameter diameter 2.142 km 0.465 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

376821 (2001 CL18)          Discovered 2001-Feb-02 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2001 CL18 = 2006 JY55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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