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(2008 CH116)
Classification: Aten [NEO]          SPK-ID: 3402610
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5874861307266386 3.0722e-07  
a .6628350454371744 7.2593e-09 au
q .2734286492832732 2.0207e-07 au
i 20.37004994698211 2.5477e-05 deg
node 85.93011511337149 0.00012706 deg
peri 248.1552573000628 0.00012278 deg
M 158.9554212335745 0.00013664 deg
tp 2459113.467899757861
(2020-Sep-20.96789976)		 7.3639e-05 TDB
period 197.1090752616133
0.54		 3.2381e-06
8.865e-09		 d
yr
n 1.826399923606711 3.0004e-08 deg/d
Q 1.052241441591076 1.1524e-08 au
   Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      4693 days (12.85 yr)  
   first obs. used      2008-02-09  
   last obs. used      2020-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .59512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-16 05:26:38  

Additional Information
 Earth MOID = .224619 au 
 Jupiter MOID = 4.36288 au 
 T_jup = 8.392 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.2   n/a MPO369067  
diameter diameter 0.322 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.355   0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

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