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JPL Small-Body Database Browser
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266796 (2009 SW313)
Classification: Main-belt Asteroid          SPK-ID: 2266796
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02165715890009559 5.6264e-08  
a 2.93768380428386 3.4682e-08 au
q 2.874061919336247 1.5964e-07 au
i .8330608922619265 6.0328e-06 deg
node 295.7355843597645 0.00042737 deg
peri 301.3874304326149 0.00045134 deg
M 112.6156251053518 0.00014575 deg
tp 2458025.189697404983
(2017-Sep-28.68969740)
0.00074275 TDB
period 1839.102777615925
5.04
3.2568e-05
8.917e-08
d
yr
n .195747624538242 3.4664e-09 deg/d
Q 3.001305689231473 3.5433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5529 days (15.14 yr)  
   first obs. used      2004-10-08  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 19:34:40  

Additional Information
 Earth MOID = 1.86141 au 
 Jupiter MOID = 1.97441 au 
 T_jup = 3.273 
[ 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 16.6   n/a MPO454983  
rotation period rot_per 2.42 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

266796 (2009 SW313)          Discovered 2009-Sep-18 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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