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295578 (2008 SM108)
Classification: Jupiter Trojan          SPK-ID: 2295578
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06434094846507384 7.2503e-08  
a 5.193387884751957 2.6774e-07 au
q 4.859240382499992 3.8444e-07 au
i 3.012200798182833 7.5677e-06 deg
node 224.6033549282041 0.0001658 deg
peri 240.8437444116383 0.00018818 deg
M 246.9098961869716 9.5834e-05 deg
tp 2460358.490305392452
(2024-Feb-17.99030539)
0.0012249 TDB
period 4322.893811730343
11.84
0.00033429
9.152e-07
d
yr
n .0832775487158916 6.4399e-09 deg/d
Q 5.527535387003923 2.8497e-07 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      6395 days (17.51 yr)  
   first obs. used      2002-03-13  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64425  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:23  

Additional Information
 Earth MOID = 3.87738 au 
 Jupiter MOID = .0294497 au 
 T_jup = 2.993 
[ 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 MPO494581  

295578 (2008 SM108)          Discovered 2008-Sep-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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