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266648 (2008 SX260)
Classification: Jupiter Trojan          SPK-ID: 2266648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08441898817105661 8.5666e-08  
a 5.281439487551331 1.9227e-07 au
q 4.835585709925583 5.8558e-07 au
i 6.804705972189528 8.3138e-06 deg
node 23.56307598996349 5.1551e-05 deg
peri 27.00875689167934 6.8657e-05 deg
M 338.4515348481128 4.8667e-05 deg
tp 2459265.863221087603
(2021-Feb-20.36322109)
0.00060447 TDB
period 4433.297634804893
12.14
0.00024208
6.628e-07
d
yr
n .08120366139501106 4.4342e-09 deg/d
Q 5.727293265177078 2.085e-07 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6421 days (17.58 yr)  
   first obs. used      2002-04-04  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53086  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 19:34:19  

Additional Information
 Earth MOID = 3.84767 au 
 Jupiter MOID = .0347371 au 
 T_jup = 2.979 
[ 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 13.3   n/a MPO418415  

266648 (2008 SX260)          Discovered 2008-Sep-23 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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