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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09477419218714681 5.9053e-08  
a 5.126775803509856 1.7646e-07 au
q 4.640889768207599 4.2306e-07 au
i 6.877804376700446 6.6345e-06 deg
node 209.4587477782718 5.8377e-05 deg
peri 222.219801129624 7.5701e-05 deg
M 308.2194912018005 5.3564e-05 deg
tp 2460006.358004705639
(2023-Mar-02.85800471)
0.00065023 TDB
period 4239.990814877126
11.61
0.0002189
5.993e-07
d
yr
n .08490584430910678 4.3835e-09 deg/d
Q 5.612661838812113 1.9318e-07 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      8458 days (23.16 yr)  
   first obs. used      1997-10-10  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54618  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:17:18  

Additional Information
 Earth MOID = 3.65903 au 
 Jupiter MOID = .0723617 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 13.84   n/a MPCxxxxx  

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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