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353204 (2009 SR281)
Classification: Jupiter Trojan          SPK-ID: 2353204
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05012052317336448 9.3323e-08  
a 5.158263335213904 3.1453e-07 au
q 4.899728478187 7.2339e-07 au
i 5.081301820655233 7.1778e-06 deg
node 87.76691702386181 9.9572e-05 deg
peri 338.6786646030744 0.000166 deg
M 283.663126769415 0.00014522 deg
tp 2459907.872384809978
(2022-Nov-24.37238481)
0.0017925 TDB
period 4279.11237004551
11.72
0.00039139
1.072e-06
d
yr
n .084129597184701 7.6949e-09 deg/d
Q 5.41679819224081 3.303e-07 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      7163 days (19.61 yr)  
   first obs. used      2000-01-13  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59066  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:38:40  

Additional Information
 Earth MOID = 3.91422 au 
 Jupiter MOID = .109569 au 
 T_jup = 2.990 
[ 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 13.6   n/a MPO494839  

353204 (2009 SR281)          Discovered 2009-Sep-25 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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