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243507 (2009 WT26)
Classification: Main-belt Asteroid          SPK-ID: 2243507
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07815474584569798 6.4408e-08  
a 2.856484286576264 3.1518e-08 au
q 2.633236483146666 1.9623e-07 au
i 1.7353893190986 7.4496e-06 deg
node 289.3892710862961 0.00024332 deg
peri 107.1033107220158 0.0002491 deg
M 83.24498016397112 5.351e-05 deg
tp 2458592.742705226879
(2019-Apr-19.24270523)
0.00026009 TDB
period 1763.381117145803
4.83
2.9185e-05
7.99e-08
d
yr
n .2041532579087008 3.3789e-09 deg/d
Q 3.079732090005862 3.3981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      9217 days (25.23 yr)  
   first obs. used      1994-09-12  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51758  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:29:08  

Additional Information
 Earth MOID = 1.64075 au 
 Jupiter MOID = 2.25459 au 
 T_jup = 3.298 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO413138  
diameter diameter 2.749 km 1.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243507 (2009 WT26)          Discovered 2009-Nov-16 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2009 WT26 = 1999 TG276 = 2004 TR263 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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