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447986 (2008 CE172)
Classification: Main-belt Asteroid          SPK-ID: 2447986
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0551079506318447 1.0221e-07  
a 2.872916586074523 6.7842e-08 au
q 2.714596040679721 3.3406e-07 au
i 10.67445768812758 2.4901e-05 deg
node 130.5360138595233 0.00015165 deg
peri 326.3836671934135 0.00039916 deg
M 253.353990274672 0.00037087 deg
tp 2459527.396194046455
(2021-Nov-08.89619405)
0.0018392 TDB
period 1778.61910019194
4.87
6.3001e-05
1.725e-07
d
yr
n .2024042134491587 7.1694e-09 deg/d
Q 3.031237131469326 7.158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      6354 days (17.40 yr)  
   first obs. used      2003-03-10  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61466  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 01:07:07  

Additional Information
 Earth MOID = 1.73775 au 
 Jupiter MOID = 2.05971 au 
 T_jup = 3.269 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO264976  

447986 (2008 CE172)          Discovered 2008-Feb-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2008 CE172 = 2013 HJ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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