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392195 (2009 SD140)
Classification: Jupiter Trojan          SPK-ID: 2392195
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 .1439125951470274 1.8082e-07  
a 5.18352244098647 5.1908e-07 au
q 4.437548274501253 1.3009e-06 au
i 11.74090587956031 1.4139e-05 deg
node 343.2074107871738 5.2398e-05 deg
peri 48.95355794784038 8.1431e-05 deg
M 313.5134797763403 9.0287e-05 deg
tp 2459557.122091351393
(2021-Dec-08.62209135)
0.0011545 TDB
period 4310.581904655335
11.80
0.00064749
1.773e-06
d
yr
n .08351540649563062 1.2545e-08 deg/d
Q 5.929496607471688 5.9378e-07 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      3942 days (10.79 yr)  
   first obs. used      2008-09-19  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:43:02  

Additional Information
 Earth MOID = 3.45719 au 
 Jupiter MOID = .115277 au 
 T_jup = 2.938 
[ 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 13.8   n/a MPO413428  

392195 (2009 SD140)          Discovered 2009-Sep-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2009 SD140 = 2014 DC108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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