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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06384602989288883 7.2362e-08  
a 5.193885331333282 2.6934e-07 au
q 4.86227637320874 3.8357e-07 au
i 3.012089711838073 7.5673e-06 deg
node 224.6094367795326 0.0001658 deg
peri 241.0933603009405 0.00018854 deg
M 213.2788448814219 9.4827e-05 deg
tp 2460362.586400558291
(2024-Feb-22.08640056)
0.0012336 TDB
period 4323.514926585131
11.84
0.00033631
9.208e-07
d
yr
n .08326558508827471 6.477e-09 deg/d
Q 5.525494289457823 2.8654e-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 = 3.88061 au 
 Jupiter MOID = .0290894 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 13.6   n/a MPO379969  

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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