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312623 (2009 SQ346)
Classification: Jupiter Trojan          SPK-ID: 2312623
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1622529310046268 7.3111e-08  
a 5.149000570591356 3.1316e-07 au
q 4.313560136268413 5.6778e-07 au
i 3.334395127117124 1.0476e-05 deg
node 126.9640786650106 0.00013177 deg
peri 317.5160684556735 0.00014185 deg
M 282.4135818672601 6.4247e-05 deg
tp 2459920.242041652501
(2022-Dec-06.74204165)
0.00083321 TDB
period 4267.591454324137
11.68
0.00038933
1.066e-06
d
yr
n .08435671592584854 7.6958e-09 deg/d
Q 5.9844410049143 3.6397e-07 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6743 days (18.46 yr)  
   first obs. used      2001-03-19  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56744  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:08  

Additional Information
 Earth MOID = 3.33072 au 
 Jupiter MOID = .112356 au 
 T_jup = 2.970 
[ 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 14.1   n/a MPO494657  

312623 (2009 SQ346)          Discovered 2009-Sep-22 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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