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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .562705535648981 8.534e-07  
a 8.122102681031899 1.5595e-05 au
q 3.55175054130582 5.1488e-07 au
i 170.3398668872076 1.0237e-05 deg
node 348.4580101567789 9.6375e-05 deg
peri 354.5488634278728 0.00010163 deg
M 171.0624462822589 0.00050163 deg
tp 2455183.023751261298
(2009-Dec-17.52375126)
0.00028459 TDB
period 8454.757201118837
23.15
0.024351
6.667e-05
d
yr
n .04257957874323823 1.2263e-07 deg/d
Q 12.69245482075798 2.4371e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .57121  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 07:40:58  

Additional Information
 Earth MOID = 2.54541 au 
 Jupiter MOID = .78938 au 
 T_jup = -1.396 
[ 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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