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212685 (2006 WK70)
Classification: Main-belt Asteroid          SPK-ID: 2212685
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139700738195147 5.5585e-08  
a 2.796552867433661 2.8957e-08 au
q 2.477829530692072 1.5404e-07 au
i 9.656581895550227 7.1806e-06 deg
node 42.60463942781877 3.2988e-05 deg
peri 224.4341672344829 4.6282e-05 deg
M 102.0066858976896 3.4011e-05 deg
tp 2458516.484672462834
(2019-Feb-01.98467246)
0.00016154 TDB
period 1708.177423665582
4.68
2.6531e-05
7.264e-08
d
yr
n .2107509413322388 3.2733e-09 deg/d
Q 3.115276204175251 3.2257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      6966 days (19.07 yr)  
   first obs. used      2001-10-18  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:25:35  

Additional Information
 Earth MOID = 1.47307 au 
 Jupiter MOID = 1.96843 au 
 T_jup = 3.297 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457749.5 (2016-Dec-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145066934308428 5.5254e-08  
q 2.476237520738324 1.5323e-07 au
tp 2458519.371584391217
(2019-Feb-04.87158439)
0.00016138 TDB
node 42.62372174917862 3.2963e-05 deg
peri 225.1332470386831 4.6265e-05 deg
i 9.661432185952345 7.1841e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      6966 days (19.07 yr)  
   first obs. used      2001-10-18  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:25:35  

Additional Information
 Jupiter MOID = 1.96843 au 
 T_jup = 3.297 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.052982920659582E-15 -8.348317164904787E-15 -1.036484534117798E-13 -7.345918477171872E-16 -1.453399809712085E-13 -2.834174790928669E-16
q -8.348317164904787E-15 2.347904445710984E-14 5.16799238708484E-14 2.163007471946729E-15 2.822457942006072E-13 1.79961917879376E-15
tp -1.036484534117798E-13 5.16799238708484E-14 2.604248808368395E-8 -1.282092432182475E-11 5.237565473807907E-9 -8.443333276402807E-12
node -7.345918477171872E-16 2.163007471946729E-15 -1.282092432182475E-11 1.086574507434085E-9 -1.073307074820428E-9 -4.047255586881855E-11
peri -1.453399809712085E-13 2.822457942006072E-13 5.237565473807907E-9 -1.073307074820428E-9 2.140405148439466E-9 3.814422825633216E-11
i -2.834174790928669E-16 1.79961917879376E-15 -8.443333276402807E-12 -4.047255586881855E-11 3.814422825633216E-11 5.16114588323457E-11

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 16.0   n/a MPO433390  

212685 (2006 WK70)          Discovered 2006-Nov-18 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2006 WK70 = 2004 HJ42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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