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312468 (2008 SY61)
Classification: Jupiter Trojan          SPK-ID: 2312468
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 .05386101316577886 9.4848e-08  
a 5.084333475817595 2.9917e-07 au
q 4.810486123537373 6.6734e-07 au
i 8.292537170356944 9.5885e-06 deg
node 149.2104195009978 6.3516e-05 deg
peri 257.2517775241936 0.00012877 deg
M 301.5418089974437 0.00012439 deg
tp 2459680.474051010897
(2022-Apr-10.97405101)
0.001486 TDB
period 4187.448399715596
11.46
0.0003696
1.012e-06
d
yr
n .08597120863016498 7.5881e-09 deg/d
Q 5.358180828097817 3.1529e-07 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      6355 days (17.40 yr)  
   first obs. used      2002-03-05  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67016  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:58  

Additional Information
 Earth MOID = 3.83187 au 
 Jupiter MOID = .0224387 au 
 T_jup = 2.977 
[ 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 14.0   n/a MPO413277  

312468 (2008 SY61)          Discovered 2008-Sep-21 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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