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266811 (2009 ST359)
Classification: Main-belt Asteroid          SPK-ID: 2266811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1207334066220579 5.1945e-08  
a 3.165393626036455 4.1096e-08 au
q 2.783224870265325 1.6609e-07 au
i 6.151823736806391 5.9317e-06 deg
node 53.37435185396815 5.7727e-05 deg
peri 14.63461821407757 6.3622e-05 deg
M 276.8722990103114 2.6354e-05 deg
tp 2459475.488703461769
(2021-Sep-17.98870346)
0.00015261 TDB
period 2057.027094583642
5.63
4.006e-05
1.097e-07
d
yr
n .1750098484108041 3.4082e-09 deg/d
Q 3.547562381807585 4.6058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      8422 days (23.06 yr)  
   first obs. used      1995-03-26  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59811  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:14:55  

Additional Information
 Earth MOID = 1.79767 au 
 Jupiter MOID = 1.76127 au 
 T_jup = 3.183 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO440312  

266811 (2009 ST359)          Discovered 2009-Sep-25 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 ST359 = 2010 BP5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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