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295599 (2008 SY169)
Classification: Jupiter Trojan          SPK-ID: 2295599
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08248546717016704 8.8523e-08  
a 5.221470427403891 3.009e-07 au
q 4.790774999884269 4.6724e-07 au
i 8.235946654830178 7.6626e-06 deg
node 210.4656646568115 5.3551e-05 deg
peri 232.0598328535988 8.8499e-05 deg
M 278.3964315952442 8.4598e-05 deg
tp 2459988.357520181293
(2023-Feb-12.85752018)
0.0010919 TDB
period 4358.004364482419
11.93
0.00037672
1.031e-06
d
yr
n .08260661759175535 7.1407e-09 deg/d
Q 5.652165854923513 3.2572e-07 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      8326 days (22.80 yr)  
   first obs. used      1995-08-29  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49434  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:49:24  

Additional Information
 Earth MOID = 3.81421 au 
 Jupiter MOID = .0680103 au 
 T_jup = 2.973 
[ 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 13.9   n/a MPO455185  

295599 (2008 SY169)          Discovered 2008-Sep-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 SY169 = 2009 SG328 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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