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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137898056455711 5.5445e-08  
a 2.797111923032498 2.7617e-08 au
q 2.47882910094172 1.5295e-07 au
i 9.65548833680538 7.0681e-06 deg
node 42.60495280237703 3.015e-05 deg
peri 224.5014953137803 4.3077e-05 deg
M 144.0897637774854 3.3036e-05 deg
tp 2458516.598081228925
(2019-Feb-02.09808123)
0.0001561 TDB
period 1708.689668877488
4.68
2.5306e-05
6.928e-08
d
yr
n .2106877606607755 3.1203e-09 deg/d
Q 3.115394745123275 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:41:52  

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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146106724913496 5.5131e-08  
q 2.475779749309992 1.5216e-07 au
tp 2458519.187060527115
(2019-Feb-04.68706053)
0.00015557 TDB
node 42.62469870647838 3.0124e-05 deg
peri 225.1177455367483 4.3015e-05 deg
i 9.661507741833171 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:41:52  

Additional Information
 Jupiter MOID = 1.96737 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.039446655580596E-15 -8.281824477500505E-15 -2.731687360029207E-13 -4.752898151021529E-15 -1.830488094305866E-13 2.08819452182492E-16
q -8.281824477500505E-15 2.315117311288344E-14 8.605253210654306E-13 1.264063017398377E-14 4.712921775384773E-13 3.127495706134577E-16
tp -2.731687360029207E-13 8.605253210654306E-13 2.42035445104122E-8 -1.397776555110225E-12 4.774473596662659E-9 -8.64364649389459E-12
node -4.752898151021529E-15 1.264063017398377E-14 -1.397776555110225E-12 9.074754483334267E-10 -8.942512855741469E-10 -2.364425663246422E-11
peri -1.830488094305866E-13 4.712921775384773E-13 4.774473596662659E-9 -8.942512855741469E-10 1.850253222656598E-9 2.153648726141399E-11
i 2.08819452182492E-16 3.127495706134577E-16 -8.64364649389459E-12 -2.364425663246422E-11 2.153648726141399E-11 5.001449919754517E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1941-Apr-29 13:47 00:03 Jupiter 1.96391847724172 1.96391786299928 1.96391909148528 3.48530272961805 3.35927833406342 2430114.074574119 3.29981529335356 124.357200447984 18.0072498173242 -77.8774779853711 2189862.01820861 T 13 CATAB v2.0f-lin.ifort 2021-Feb-24 12:41:52 2021-Feb-24 12:41
1964-Jul-12 07:46 00:02 Jupiter 1.9836078499066 1.98360729261402 1.98360840720008 3.76977695950972 3.65474981073205 2438588.823420146 2.23009401234991 139.003723066002 18.0987685382818 -83.8065804259694 2085406.11329095 T 13 CATAB v2.0f-lin.ifort 2021-Feb-24 12:41:52 2021-Feb-24 12:41
2119-May-14 11:51 00:04 Jupiter 1.97608149200146 1.97608096149619 1.97608202250762 3.42416293422615 3.29660687923742 2495141.993949142 4.29802171839527 126.677926620154 14.6373515925941 -78.4166714893765 1867238.77724754 T 13 CATAB v2.0f-lin.ifort 2021-Feb-24 12:41:52 2021-Feb-24 12:41
2142-Jul-26 19:08 00:05 Jupiter 1.98620823497944 1.98620725164318 1.98620921831887 3.74755753858688 3.63198065291445 2503616.297167916 5.3268432395889 172.95274292359 19.6353270412908 -79.4826481874279 1407070.59181397 T 13 CATAB v2.0f-lin.ifort 2021-Feb-24 12:41:52 2021-Feb-24 12:41

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