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JPL Small-Body Database Browser
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266803 (2009 SW342)
Classification: Main-belt Asteroid          SPK-ID: 2266803
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03765885381275753 4.1933e-08  
a 2.829080963855179 2.7587e-08 au
q 2.722541017412902 1.1791e-07 au
i 2.804041004806513 4.6377e-06 deg
node 126.7921571757084 0.00010917 deg
peri 183.1820399947938 0.00013038 deg
M 65.10637795243876 7.1021e-05 deg
tp 2458286.168774453634
(2018-Jun-16.66877445)
0.00034285 TDB
period 1738.066910731177
4.76
2.5422e-05
6.96e-08
d
yr
n .2071266634082308 3.0296e-09 deg/d
Q 2.935620910297457 2.8626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      6498 days (17.79 yr)  
   first obs. used      2002-02-10  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5273  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 19:34:40  

Additional Information
 Earth MOID = 1.70705 au 
 Jupiter MOID = 2.15758 au 
 T_jup = 3.311 
[ 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 16.4   n/a MPO454983  

266803 (2009 SW342)          Discovered 2009-Sep-17 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 SW342 = 2004 RX244 = 2005 XX34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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