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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329918130662883 3.6435e-08  
a 2.727424250381622 1.6783e-08 au
q 2.364699154322408 1.0321e-07 au
i 8.626681507015135 4.961e-06 deg
node 339.214971041321 2.8221e-05 deg
peri 127.92644927 3.5072e-05 deg
M 350.7794315430821 2.083e-05 deg
tp 2459042.638849017930
(2020-Jul-12.13884902)
9.531e-05 TDB
period 1645.233232347311
4.50
1.5185e-05
4.157e-08
d
yr
n .218813960794103 2.0197e-09 deg/d
Q 3.090149346440837 1.9015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      6966 days (19.07 yr)  
   first obs. used      2001-09-25  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:25:40  

Additional Information
 Earth MOID = 1.39248 au 
 Jupiter MOID = 2.03256 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457130.5 (2015-Apr-18.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1312945190939671 3.6668e-08  
q 2.369186789470629 1.037e-07 au
tp 2457399.496494210060
(2016-Jan-11.99649421)
9.3261e-05 TDB
node 339.289162120238 2.817e-05 deg
peri 128.3121093015 3.5171e-05 deg
i 8.634228286974277 4.9642e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      6966 days (19.07 yr)  
   first obs. used      2001-09-25  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:25:40  

Additional Information
 Jupiter MOID = 2.03256 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.344563207218037E-15 -3.766121862599365E-15 2.901587172970422E-13 2.132248829572968E-15 1.199945976458313E-13 -1.393608436616581E-15
q -3.766121862599365E-15 1.075375157909378E-14 -6.159676519101358E-13 -6.846199004806343E-15 -3.00713107546815E-13 4.599410865303718E-15
tp 2.901587172970422E-13 -6.159676519101358E-13 8.697615588282695E-9 2.304802909206965E-12 1.977672230839154E-9 9.47498286782938E-12
node 2.132248829572968E-15 -6.846199004806343E-15 2.304802909206965E-12 7.935376992852304E-10 -7.835404116980762E-10 4.0283261440146E-11
peri 1.199945976458313E-13 -3.00713107546815E-13 1.977672230839154E-9 -7.835404116980762E-10 1.236971405109897E-9 -3.774843458313235E-11
i -1.393608436616581E-15 4.599410865303718E-15 9.47498286782938E-12 4.0283261440146E-11 -3.774843458313235E-11 2.464344438480138E-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 15.5   n/a MPO453933  

146706 (2001 WM6)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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