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136240 (2003 WY143)
Classification: Main-belt Asteroid          SPK-ID: 2136240
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448533303225643 6.0739e-08  
a 2.411163559056543 1.6928e-08 au
q 2.061898487574796 1.5292e-07 au
i 11.5158900692448 5.2309e-06 deg
node 261.5956429920831 2.7248e-05 deg
peri 328.6737606032515 3.6213e-05 deg
M 318.5793561162336 2.598e-05 deg
tp 2459157.844939159608
(2020-Nov-04.34493916)
9.8887e-05 TDB
period 1367.534948428432
3.74
1.4402e-05
3.943e-08
d
yr
n .2632473856801329 2.7723e-09 deg/d
Q 2.76042863053829 1.9381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      7501 days (20.54 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:37:11  

Additional Information
 Earth MOID = 1.05868 au 
 Jupiter MOID = 2.28699 au 
 T_jup = 3.478 
[ 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 15.5   n/a MPO502855  
diameter diameter 2.148 km 0.484 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.754 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.290   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136240 (2003 WY143)          Discovered 2003-Nov-21 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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