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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137898053853256 5.5445e-08  
a 2.797111921235697 2.7617e-08 au
q 2.478829100077313 1.5295e-07 au
i 9.655488344282002 7.0681e-06 deg
node 42.60495274555065 3.015e-05 deg
peri 224.5014953231627 4.3077e-05 deg
M 144.089763925959 3.3036e-05 deg
tp 2458516.598081183200
(2019-Feb-02.09808118)		 0.0001561 TDB
period 1708.689667231054
4.68		 2.5306e-05
6.928e-08		 d
yr
n .210687760863787 3.1203e-09 deg/d
Q 3.115394742394081 3.076e-08 au
   Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6994 days (19.15 yr)  
   first obs. used      2001-10-18  
   last obs. used      2020-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:39:38  

Additional Information
 Earth MOID = 1.47241 au 
 Jupiter MOID = 1.96737 au 
 T_jup = 3.296 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457886.5 (2017-May-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146106724762729 5.5131e-08  
q 2.475779748892718 1.5216e-07 au
tp 2458519.187060474208
(2019-Feb-04.68706047)		 0.00015557 TDB
node 42.62469864808691 3.0124e-05 deg
peri 225.1177455540638 4.3015e-05 deg
i 9.661507743810164 7.0721e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6994 days (19.15 yr)  
   first obs. used      2001-10-18  
   last obs. used      2020-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:39:38  

Additional Information
 Jupiter MOID = 1.96737 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.039447001686347E-15 -8.281825715591743E-15 -2.731674379798998E-13 -4.752900990539105E-15 -1.830485173874776E-13 2.088191371523011E-16
q -8.281825715591743E-15 2.315117632509109E-14 8.60523078436152E-13 1.264063590522539E-14 4.712916444139297E-13 3.127480110511565E-16
tp -2.731674379798998E-13 8.60523078436152E-13 2.420354787572307E-8 -1.397781125236266E-12 4.774474253301298E-9 -8.643645244288956E-12
node -4.752900990539105E-15 1.264063590522539E-14 -1.397781125236266E-12 9.074754612957337E-10 -8.942512992166364E-10 -2.364425634837161E-11
peri -1.830485173874776E-13 4.712916444139297E-13 4.774474253301298E-9 -8.942512992166364E-10 1.850253354945129E-9 2.15364872091064E-11
i 2.088191371523011E-16 3.127480110511565E-16 -8.643645244288956E-12 -2.364425634837161E-11 2.15364872091064E-11 5.001449874557092E-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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