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118815 (2000 SM108)
Classification: Jupiter Trojan          SPK-ID: 2118815
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1773933120065137 4.4753e-08  
a 5.259894945656672 1.1167e-07 au
q 4.326824760440314 2.8259e-07 au
i 1.973115987238883 6.2729e-06 deg
node 17.46241253323284 0.00013605 deg
peri 279.301323397716 0.00013734 deg
M 287.2234466062872 2.2073e-05 deg
tp 2459891.244225310099
(2022-Nov-07.74422531)
0.00028351 TDB
period 4406.19823498454
12.06
0.00014031
3.841e-07
d
yr
n .0817030875146867 2.6018e-09 deg/d
Q 6.192965130873031 1.3148e-07 au
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      7537 days (20.64 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55096  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:23:25  

Additional Information
 Earth MOID = 3.31171 au 
 Jupiter MOID = .0802069 au 
 T_jup = 2.967 
[ 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 12.2   n/a MPO314195  
diameter diameter 18.016 km 0.554 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.086   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

118815 (2000 SM108)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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