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308173 (2005 CN8)
Classification: Main-belt Asteroid          SPK-ID: 2308173
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487222801321815 5.7993e-08  
a 2.372560842497949 1.4365e-08 au
q 2.019708184249324 1.3094e-07 au
i 1.743788253052929 5.5306e-06 deg
node 311.7456669542372 0.00017179 deg
peri 182.6962152407492 0.00017308 deg
M 67.81686140626637 2.0225e-05 deg
tp 2458749.045362112854
(2019-Sep-22.54536211)
7.3984e-05 TDB
period 1334.825407166483
3.65
1.2123e-05
3.319e-08
d
yr
n .2696981927877702 2.4494e-09 deg/d
Q 2.725413500746573 1.6501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      9596 days (26.27 yr)  
   first obs. used      1994-01-18  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:11:08  

Additional Information
 Earth MOID = 1.03381 au 
 Jupiter MOID = 2.30842 au 
 T_jup = 3.528 
[ 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 17.5   n/a MPO460276  

308173 (2005 CN8)          Discovered 2005-Feb-01 by CSS at Catalina
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2005 CN8 = 1998 HG28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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