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146706 (2001 WM6)
Classification: Main-belt Asteroid          SPK-ID: 2146706
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330202489434879 2.9493e-08  
a 2.727449084506514 1.3529e-08 au
q 2.36464312830477 7.8497e-08 au
i 8.627166951835203 4.9281e-06 deg
node 339.2122870617328 2.3744e-05 deg
peri 127.8786626516836 3.1515e-05 deg
M 34.57969871780616 1.9953e-05 deg
tp 2459042.465426322653
(2020-Jul-11.96542632)
9.0991e-05 TDB
period 1645.255703010192
4.50
1.2242e-05
3.352e-08
d
yr
n .2188109722648808 1.6281e-09 deg/d
Q 3.090255040708259 1.5329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2001-09-25  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53822  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:35:19  

Additional Information
 Earth MOID = 1.39233 au 
 Jupiter MOID = 2.03223 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457582.5 (2016-Jul-13.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .131682313451036 2.9747e-08  
q 2.369065998380283 7.9187e-08 au
tp 2457399.879727724143
(2016-Jan-12.37972772)
9.0903e-05 TDB
node 339.2902306922732 2.3704e-05 deg
peri 128.4169602524319 3.1594e-05 deg
i 8.633273080410763 4.931e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2001-09-25  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53822  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:35:19  

Additional Information
 Jupiter MOID = 2.03223 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.848929035486264E-16 -2.330891843737065E-15 6.976465094731248E-13 1.965782794334659E-15 1.669062877058915E-13 -4.705192400324391E-17
q -2.330891843737065E-15 6.270654906265436E-15 -1.912937627952828E-12 -5.502565423916179E-15 -4.530783214589487E-13 3.205724822719281E-16
tp 6.976465094731248E-13 -1.912937627952828E-12 8.263347474337801E-9 1.105064644472312E-11 1.910901744506447E-9 7.001398648999792E-12
node 1.965782794334659E-15 -5.502565423916179E-15 1.105064644472312E-11 5.61864556949165E-10 -5.526102832520689E-10 3.951554059890536E-11
peri 1.669062877058915E-13 -4.530783214589487E-13 1.910901744506447E-9 -5.526102832520689E-10 9.981982831507881E-10 -3.741014074887586E-11
i -4.705192400324391E-17 3.205724822719281E-16 7.001398648999792E-12 3.951554059890536E-11 -3.741014074887586E-11 2.431515382003743E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.60   n/a MPCxxxxx  

146706 (2001 WM6)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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