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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774606475411511 4.3564e-08  
a 5.258207429999769 1.0782e-07 au
q 4.325082534566318 2.8069e-07 au
i 1.973366266041148 6.2608e-06 deg
node 17.46433524355266 0.00012759 deg
peri 279.4148179322104 0.00012897 deg
M 303.4688633908872 2.1665e-05 deg
tp 2459892.076480745298
(2022-Nov-08.57648075)
0.00027451 TDB
period 4404.07796485333
12.06
0.00013546
3.709e-07
d
yr
n .08174242210809479 2.5143e-09 deg/d
Q 6.19133232543322 1.2696e-07 au
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54764  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:08:47  

Additional Information
 Earth MOID = 3.308 au 
 Jupiter MOID = .0800469 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 12.22   n/a E2021B55  
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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