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306000 (2009 TS21)
Classification: Jupiter Trojan          SPK-ID: 2306000
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04992468049047581 8.7516e-08  
a 5.176694355415294 3.0375e-07 au
q 4.918249543724336 6.5572e-07 au
i 9.553954800468171 8.6237e-06 deg
node 35.86868334763751 5.9756e-05 deg
peri 24.32143868314871 0.00014314 deg
M 280.6913190193675 0.00013924 deg
tp 2459948.253591811035
(2023-Jan-03.75359181)
0.0017143 TDB
period 4302.067426077768
11.78
0.00037864
1.037e-06
d
yr
n .0836806968244603 7.365e-09 deg/d
Q 5.435139167106252 3.1891e-07 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      9983 days (27.33 yr)  
   first obs. used      1992-04-24  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58621  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:13  

Additional Information
 Earth MOID = 3.93278 au 
 Jupiter MOID = .00940299 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 12.9   n/a MPO494624  

306000 (2009 TS21)          Discovered 2004-May-27 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 TS21 = 2010 VS19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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