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JPL Small-Body Database Browser
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136216 (2003 WK71)
Classification: Main-belt Asteroid          SPK-ID: 2136216
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03575784052098895 6.0572e-08  
a 2.318533570428128 1.3511e-08 au
q 2.2356278167742 1.4154e-07 au
i 1.281940129797582 5.4008e-06 deg
node 309.5589526845824 0.00029764 deg
peri 52.38142803334752 0.00030876 deg
M 179.3824650405456 8.2942e-05 deg
tp 2457957.966173028282
(2017-Jul-23.46617303)
0.00029567 TDB
period 1289.491576880356
3.53
1.1271e-05
3.086e-08
d
yr
n .2791797995849972 2.4403e-09 deg/d
Q 2.401439324082056 1.3994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      8155 days (22.33 yr)  
   first obs. used      1996-12-12  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61694  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:42:58  

Additional Information
 Earth MOID = 1.23087 au 
 Jupiter MOID = 2.7219 au 
 T_jup = 3.578 
[ 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 17.0   n/a MPO436670  
rotation period rot_per 7.717 h n/a LCDB (Rev. 2019-January); 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.]

136216 (2003 WK71)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2003 WK71 = 1996 XY27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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