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266805 (2009 SN350)
Classification: Main-belt Asteroid          SPK-ID: 2266805
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1347138035366476 5.2656e-08  
a 3.063395632292187 4.4593e-08 au
q 2.650713954928553 1.6374e-07 au
i 3.506361214986944 5.5235e-06 deg
node 63.06366547366344 0.00012739 deg
peri 46.50185877333803 0.00013086 deg
M 280.8919548707923 3.4106e-05 deg
tp 2459430.849410052740
(2021-Aug-04.34941005)
0.00019153 TDB
period 1958.407483915764
5.36
4.2762e-05
1.171e-07
d
yr
n .1838228269431411 4.0138e-09 deg/d
Q 3.476077309655821 5.06e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5393 days (14.77 yr)  
   first obs. used      2004-12-19  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57276  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:06:35  

Additional Information
 Earth MOID = 1.66898 au 
 Jupiter MOID = 1.64871 au 
 T_jup = 3.216 
[ 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 16.1   n/a MPO494442  
diameter diameter 4.027 km 0.258 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266805 (2009 SN350)          Discovered 2009-Sep-26 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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