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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02130212479021134 5.625e-08  
a 2.938824608259842 3.4706e-08 au
q 2.876221399718147 1.5961e-07 au
i .8330706522694852 6.0328e-06 deg
node 295.7269549136057 0.00042728 deg
peri 301.9240545847258 0.00045204 deg
M 190.3628157972738 0.00014842 deg
tp 2459867.616564774616
(2022-Oct-15.11656477)
0.00076173 TDB
period 1840.174162203791
5.04
3.2598e-05
8.925e-08
d
yr
n .1956336565278497 3.4655e-09 deg/d
Q 3.001427816801537 3.5446e-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 = 1.86363 au 
 Jupiter MOID = 1.97344 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-August); 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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