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243275 (2008 CN18)
Classification: Main-belt Asteroid          SPK-ID: 2243275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08379900271628572 6.8333e-08  
a 3.146451242342603 4.5145e-08 au
q 2.882781766138875 2.16e-07 au
i 25.92228727047062 1.2698e-05 deg
node 318.3514649136658 1.5571e-05 deg
peri 253.7247493369954 7.6664e-05 deg
M 16.54219781518299 7.6268e-05 deg
tp 2458906.825659234824
(2020-Feb-27.32565924)
0.00043185 TDB
period 2038.590219523992
5.58
4.3874e-05
1.201e-07
d
yr
n .1765926259000985 3.8006e-09 deg/d
Q 3.410120718546332 4.8928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2001-12-20  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54638  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:13:04  

Additional Information
 Earth MOID = 1.98563 au 
 Jupiter MOID = 1.8171 au 
 T_jup = 3.048 
[ 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 15.0   n/a MPO341787  
diameter diameter 5.481 km 0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243275 (2008 CN18)          Discovered 2008-Feb-03 by CSS at Catalina
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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