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330759 (2008 SO218)
Classification: Centaur          SPK-ID: 2330759
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5632126704661748 8.5555e-07  
a 8.119239168892976 1.5626e-05 au
q 3.546380794427197 5.2393e-07 au
i 170.3345949067527 1.0318e-05 deg
node 348.4635623196011 9.6374e-05 deg
peri 354.533778654406 0.0001017 deg
M 162.5905095304418 0.00047848 deg
tp 2455184.010076127123
(2009-Dec-18.51007613)
0.00028701 TDB
period 8450.28640701193
23.14
0.024394
6.679e-05
d
yr
n .0426021063263935 1.2298e-07 deg/d
Q 12.69209754335876 2.4426e-05 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      3132 days (8.57 yr)  
   first obs. used      2005-11-30  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .57103  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:03:56  

Additional Information
 Earth MOID = 2.54175 au 
 Jupiter MOID = .790855 au 
 T_jup = -1.394 
[ 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 12.8   n/a MPO264866  
diameter diameter 11.800 km 0.400 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)  
geometric albedo albedo 0.097   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)  

330759 (2008 SO218)          Discovered 2008-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120604/Numbers.arcLast Updated: 2012-06-06

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