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JPL Small-Body Database Browser
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376198 (2011 CN81)
Classification: Main-belt Asteroid          SPK-ID: 2376198
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04069535111230739 7.2548e-08  
a 3.091039626350305 5.5364e-08 au
q 2.965248683453924 2.3292e-07 au
i 17.47122564547304 8.7801e-06 deg
node 159.1502211040601 2.0837e-05 deg
peri 349.5486286052333 9.4786e-05 deg
M 256.6396256587399 9.7175e-05 deg
tp 2459570.410762646483
(2021-Dec-21.91076265)
0.00054392 TDB
period 1984.976117398152
5.43
5.333e-05
1.46e-07
d
yr
n .181362383579646 4.8726e-09 deg/d
Q 3.216830569246686 5.7617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      4051 days (11.09 yr)  
   first obs. used      2008-09-25  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:27:44  

Additional Information
 Earth MOID = 1.9763 au 
 Jupiter MOID = 1.76974 au 
 T_jup = 3.153 
[ 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 16.0   n/a MPO494941  
diameter diameter 4.812 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

376198 (2011 CN81)          Discovered 2009-Nov-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-10-21

[ show close-approach data ]
Alternate Designations
 2011 CN81 = 2010 CG51 = 2013 PL59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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