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JPL Small-Body Database Browser
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185919 (2000 SM284)
Classification: Jupiter Trojan          SPK-ID: 2185919
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08462891946582873 8.2806e-08  
a 5.230403615153923 2.0037e-07 au
q 4.787760208833283 4.082e-07 au
i 13.44029300383556 7.812e-06 deg
node 202.1662991700336 2.8151e-05 deg
peri 177.9730644581119 5.1984e-05 deg
M 233.5951716406708 5.0614e-05 deg
tp 2460534.630818877216
(2024-Aug-12.13081888)
0.0006803 TDB
period 4369.193028179423
11.96
0.00025106
6.874e-07
d
yr
n .08239507791900112 4.7346e-09 deg/d
Q 5.673047021474564 2.1732e-07 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      6823 days (18.68 yr)  
   first obs. used      2000-09-02  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61564  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:53:13  

Additional Information
 Earth MOID = 3.7905 au 
 Jupiter MOID = .171271 au 
 T_jup = 2.938 
[ 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 12.9   n/a MPO433220  
diameter diameter 11.260 km 1.454 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.106   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

185919 (2000 SM284)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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