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266647 (2008 SH229)
Classification: Jupiter Trojan          SPK-ID: 2266647
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09411348321309025 1.0293e-07  
a 5.17015027965224 2.3322e-07 au
q 4.683569428099036 7.0194e-07 au
i 6.170466511452624 1.1906e-05 deg
node 312.8138250140901 8.3564e-05 deg
peri 98.22765264251707 0.00011212 deg
M 288.974499479865 7.7399e-05 deg
tp 2459447.659097925706
(2021-Aug-21.15909793)
0.00095313 TDB
period 4293.912369780428
11.76
0.00029054
7.955e-07
d
yr
n .08383962433271754 5.6728e-09 deg/d
Q 5.656731131205446 2.5517e-07 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      8417 days (23.04 yr)  
   first obs. used      1996-09-16  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47068  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:05:52  

Additional Information
 Earth MOID = 3.70103 au 
 Jupiter MOID = .135166 au 
 T_jup = 2.980 
[ 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 13.5   n/a MPO418415  
diameter diameter 10.752 km 0.956 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.061   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

266647 (2008 SH229)          Discovered 2008-Sep-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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