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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774606471671167 4.342e-08  
a 5.258207428651465 1.0067e-07 au
q 4.325082535424035 2.8038e-07 au
i 1.973364577280413 6.0746e-06 deg
node 17.46437148341603 0.00012336 deg
peri 279.4147811427424 0.00012458 deg
M 303.468864127173 1.9043e-05 deg
tp 2459892.076471471908
(2022-Nov-08.57647147)
0.00023959 TDB
period 4404.077963159397
12.06
0.00012648
3.463e-07
d
yr
n .08174242213953525 2.3475e-09 deg/d
Q 6.191332321878895 1.1853e-07 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      7907 days (21.65 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:01:46  

Additional Information
 Earth MOID = 3.308 au 
 Jupiter MOID = .0800467 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 12.24   n/a MPCxxxxx  
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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