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312614 (2009 SQ120)
Classification: Jupiter Trojan          SPK-ID: 2312614
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 .0856194070058091 8.9929e-08  
a 5.250982268153296 2.7128e-07 au
q 4.801396280155992 5.8211e-07 au
i 12.41330495202671 9.8386e-06 deg
node 205.48234731 4.3825e-05 deg
peri 244.9277920410948 8.7377e-05 deg
M 252.8151786477444 8.7427e-05 deg
tp 2460309.049157429914
(2023-Dec-30.54915743)
0.0011473 TDB
period 4395.003795608373
12.03
0.00034058
9.325e-07
d
yr
n .08191119205851959 6.3476e-09 deg/d
Q 5.7005682561506 2.945e-07 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      6756 days (18.50 yr)  
   first obs. used      2001-02-20  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5803  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:07  

Additional Information
 Earth MOID = 3.84055 au 
 Jupiter MOID = .0020227 au 
 T_jup = 2.946 
[ 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 13.3   n/a MPO418616  

312614 (2009 SQ120)          Discovered 2009-Sep-18 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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