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266808 (2009 SN355)
Classification: Jupiter Trojan          SPK-ID: 2266808
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09426413734207609 5.9528e-08  
a 5.130582931766798 1.7931e-07 au
q 4.646952957641822 4.2536e-07 au
i 6.874587889902929 6.648e-06 deg
node 209.478561346615 5.9046e-05 deg
peri 221.6201226986313 7.6409e-05 deg
M 275.1104487269936 5.3097e-05 deg
tp 2460001.421993112653
(2023-Feb-25.92199311)
0.00065796 TDB
period 4244.714598169104
11.62
0.00022252
6.092e-07
d
yr
n .08481135578709599 4.446e-09 deg/d
Q 5.614212905891775 1.9621e-07 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      8411 days (23.03 yr)  
   first obs. used      1997-10-10  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:23:22  

Additional Information
 Earth MOID = 3.66514 au 
 Jupiter MOID = .079021 au 
 T_jup = 2.977 
[ 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 MPO433732  

266808 (2009 SN355)          Discovered 1998-Oct-12 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 SN355 = 1998 TB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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