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359171 (2009 CH12)
Classification: Main-belt Asteroid          SPK-ID: 2359171
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 .1177308041239846 8.219e-08  
a 2.437944406052769 3.5427e-08 au
q 2.150923250718606 1.9077e-07 au
i 1.41666489281725 7.3723e-06 deg
node 284.2041661961945 0.00040684 deg
peri 234.6646233156599 0.00041254 deg
M 347.4697317953568 7.1981e-05 deg
tp 2459048.894052349175
(2020-Jul-18.39405235)
0.00027878 TDB
period 1390.381958404323
3.81
3.0306e-05
8.297e-08
d
yr
n .2589216566166864 5.6437e-09 deg/d
Q 2.724965561386932 3.9597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      5486 days (15.02 yr)  
   first obs. used      2005-01-16  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:42:26  

Additional Information
 Earth MOID = 1.16022 au 
 Jupiter MOID = 2.25965 au 
 T_jup = 3.493 
[ 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 17.8   n/a MPO455592  

359171 (2009 CH12)          Discovered 2009-Feb-01 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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