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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09338364948827083 6.5087e-08  
a 5.134260740116448 2.2468e-07 au
q 4.654804734780024 4.2572e-07 au
i 6.873175220182547 7.0329e-06 deg
node 209.5099935287632 6.3558e-05 deg
peri 221.2505378394017 8.5049e-05 deg
M 241.4634794966905 6.3971e-05 deg
tp 2459999.652269933995
(2023-Feb-24.15226993)
0.00082226 TDB
period 4249.279589425565
11.63
0.00027892
7.636e-07
d
yr
n .08472024314330097 5.5611e-09 deg/d
Q 5.613716745452873 2.4566e-07 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      7998 days (21.90 yr)  
   first obs. used      1997-10-10  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57179  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:54  

Additional Information
 Earth MOID = 3.67264 au 
 Jupiter MOID = .0835036 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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