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226555 (2003 WT27)
Classification: Outer Main-belt Asteroid          SPK-ID: 2226555
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 .1014709708723287 6.11e-08  
a 3.208018293813633 4.042e-08 au
q 2.882497562964172 1.9944e-07 au
i 13.64428682325959 6.0578e-06 deg
node 251.014465623889 2.8381e-05 deg
peri 270.3901442972657 4.378e-05 deg
M 215.3541625863153 3.7392e-05 deg
tp 2459843.751496370294
(2022-Sep-21.25149637)
0.00022515 TDB
period 2098.716037192962
5.75
3.9665e-05
1.086e-07
d
yr
n .1715334488421315 3.2419e-09 deg/d
Q 3.533539024663093 4.4521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2002-09-11  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:32:02  

Additional Information
 Earth MOID = 1.93276 au 
 Jupiter MOID = 1.72248 au 
 T_jup = 3.140 
[ 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 15.0   n/a MPO494243  
diameter diameter 4.733 km 1.268 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226555 (2003 WT27)          Discovered 2003-Nov-16 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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