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136038 (2002 WR)
Classification: Main-belt Asteroid          SPK-ID: 2136038
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2938070063061066 8.0224e-08  
a 2.759268621242421 2.9379e-08 au
q 1.948576168040806 2.1201e-07 au
i 33.05400591655917 9.8668e-06 deg
node 6.653352669254493 1.2555e-05 deg
peri 51.64256450149551 2.5708e-05 deg
M 301.415379326103 1.7229e-05 deg
tp 2459272.939780408227
(2021-Feb-27.43978041)
8.2074e-05 TDB
period 1674.130852410923
4.58
2.6738e-05
7.32e-08
d
yr
n .2150369545376709 3.4344e-09 deg/d
Q 3.569961074444035 3.8011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      6646 days (18.20 yr)  
   first obs. used      1999-02-18  
   last obs. used      2017-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57156  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 05:23:52  

Additional Information
 Earth MOID = 1.05339 au 
 Jupiter MOID = 2.27137 au 
 T_jup = 3.053 
[ 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 MPO266450  
diameter diameter 3.788 km 1.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.053   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136038 (2002 WR)          Discovered 2002-Nov-20 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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