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134483 (1998 WK2)
Classification: Main-belt Asteroid          SPK-ID: 2134483
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 .1804332018506782 6.4477e-08  
a 2.536635551966928 9.2983e-09 au
q 2.078942277397273 1.6684e-07 au
i 2.175578983072767 5.8702e-06 deg
node 214.6917262971448 8.3757e-05 deg
peri 185.1403444126969 8.477e-05 deg
M 132.2010469230755 1.1917e-05 deg
tp 2458458.601519827795
(2018-Dec-06.10151983)
4.7234e-05 TDB
period 1475.657397596164
4.04
8.1138e-06
2.221e-08
d
yr
n .2439590656926449 1.3414e-09 deg/d
Q 2.994328826536583 1.0976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      9265 days (25.37 yr)  
   first obs. used      1994-12-07  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:20:01  

Additional Information
 Earth MOID = 1.0869 au 
 Jupiter MOID = 2.41685 au 
 T_jup = 3.424 
[ 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 15.9   n/a MPO459635  
diameter diameter 1.735 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.50 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]
geometric albedo albedo 0.338   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134483 (1998 WK2)          Discovered 1998-Nov-19 by Griffin, I. P. at Cocoa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1998 WK2 = 1994 XU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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