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136217 (2003 WK72)
Classification: Main-belt Asteroid          SPK-ID: 2136217
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1965449218850391 6.5838e-08  
a 2.251422834170481 1.2522e-08 au
q 1.808917109098251 1.4535e-07 au
i 4.98712766171974 6.5872e-06 deg
node 8.293736026619968 5.9351e-05 deg
peri 347.0506128693387 6.0727e-05 deg
M 9.566094883043815 1.6944e-05 deg
tp 2458967.711903097121
(2020-Apr-28.21190310)
5.7883e-05 TDB
period 1233.911541684478
3.38
1.0294e-05
2.818e-08
d
yr
n .2917551119657614 2.434e-09 deg/d
Q 2.693928559242712 1.4983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      7875 days (21.56 yr)  
   first obs. used      1996-09-17  
   last obs. used      2018-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5501  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:42:59  

Additional Information
 Earth MOID = .804901 au 
 Jupiter MOID = 2.74658 au 
 T_jup = 3.596 
[ 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 16.5   n/a MPO280696  
rotation period rot_per 10.206 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

136217 (2003 WK72)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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