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243325 (2008 SR154)
Classification: Jupiter Trojan          SPK-ID: 2243325
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0623475590733343 9.0169e-08  
a 5.216725058776369 2.2821e-07 au
q 4.891474985004966 6.0389e-07 au
i 18.7099542686912 1.1361e-05 deg
node 14.95755665409766 2.0892e-05 deg
peri 293.0923111530633 9.7751e-05 deg
M 43.74747191081366 8.9841e-05 deg
tp 2458471.633802926739
(2018-Dec-19.13380293)
0.0011055 TDB
period 4352.064762382579
11.92
0.00028558
7.819e-07
d
yr
n .08271935728339543 5.428e-09 deg/d
Q 5.541975132547772 2.4244e-07 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6481 days (17.74 yr)  
   first obs. used      2002-02-22  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66914  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:28:31  

Additional Information
 Earth MOID = 3.92968 au 
 Jupiter MOID = .0963769 au 
 T_jup = 2.890 
[ 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 12.8   n/a MPO297389  
diameter diameter 12.953 km 0.884 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.088   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

243325 (2008 SR154)          Discovered 2008-Sep-22 by LINEAR at Socorro
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2008 SR154 = 2003 FA33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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