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305438 (2008 CU180)
Classification: Main-belt Asteroid          SPK-ID: 2305438
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 .02950585169850494 7.8581e-08  
a 3.094920666673163 5.0313e-08 au
q 3.003602396463667 2.4673e-07 au
i 8.235442033178405 8.9742e-06 deg
node 286.1995053013908 7.035e-05 deg
peri 123.7041708828195 0.00021096 deg
M 184.362087313284 0.00020166 deg
tp 2459970.760776165967
(2023-Jan-26.26077617)
0.0011243 TDB
period 1988.715728151363
5.44
4.8495e-05
1.328e-07
d
yr
n .1810213470452324 4.4142e-09 deg/d
Q 3.186238936882659 5.1797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2000-10-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6929  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:41  

Additional Information
 Earth MOID = 2.02483 au 
 Jupiter MOID = 1.98941 au 
 T_jup = 3.207 
[ 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 15.3   n/a MPO397065  

305438 (2008 CU180)          Discovered 2005-Jul-31 by NEAT at Palomar
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-13

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