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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5874861305395409 3.0724e-07  
a .6628350453999277 7.2968e-09 au
q .2734286493919232 2.0208e-07 au
i 20.37004995444542 2.5478e-05 deg
node 85.93011499674186 0.00012706 deg
peri 248.1552572997813 0.00012278 deg
M 158.9554214277028 0.00013687 deg
tp 2459113.467899658907
(2020-Sep-20.96789966)
7.3753e-05 TDB
period 197.109075244999
0.54
3.2548e-06
8.911e-09
d
yr
n 1.826399923760658 3.0159e-08 deg/d
Q 1.052241441407932 1.1584e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .59514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:24:28  

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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