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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 ]

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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 .03774581997653017 4.0682e-08  
a 2.829883666617144 2.6423e-08 au
q 2.72306738718249 1.1215e-07 au
i 2.804179831039969 4.3889e-06 deg
node 126.7854116510446 0.0001066 deg
peri 183.6906165474263 0.00012758 deg
M 147.4157315444045 7.0156e-05 deg
tp 2458288.479280109717
(2018-Jun-18.97928011)		 0.00033822 TDB
period 1738.806682808416
4.76		 2.4353e-05
6.667e-08		 d
yr
n .2070385417535604 2.8998e-09 deg/d
Q 2.936699946051798 2.7421e-08 au
   Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      6561 days (17.96 yr)  
   first obs. used      2002-02-10  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:49:52  

Additional Information
 Earth MOID = 1.70844 au 
 Jupiter MOID = 2.15724 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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