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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132912505844878 3.6597e-08  
a 2.726569540165658 1.6956e-08 au
q 2.364174350221923 1.0351e-07 au
i 8.627354883109208 5.0544e-06 deg
node 339.224322572811 2.826e-05 deg
peri 128.0552408233232 3.5191e-05 deg
M 263.1042357122356 2.0853e-05 deg
tp 2459043.114448573448
(2020-Jul-12.61444857)
9.6469e-05 TDB
period 1644.459927197894
4.50
1.534e-05
4.2e-08
d
yr
n .2189168577755666 2.0421e-09 deg/d
Q 3.088964730109392 1.921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      6643 days (18.19 yr)  
   first obs. used      2001-09-25  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57368  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:38:26  

Additional Information
 Earth MOID = 1.39216 au 
 Jupiter MOID = 2.03452 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457076.5 (2015-Feb-23.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1313068929384772 3.6817e-08  
q 2.369298184506245 1.0401e-07 au
tp 2457399.410321548430
(2016-Jan-11.91032155)
9.4067e-05 TDB
node 339.288861353929 2.8209e-05 deg
peri 128.2871093776238 3.528e-05 deg
i 8.634185513797306 5.057e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      6643 days (18.19 yr)  
   first obs. used      2001-09-25  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57368  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:38:26  

Additional Information
 Jupiter MOID = 2.03452 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.355464916452797E-15 -3.79162878388139E-15 3.139127694077196E-13 2.112473325254951E-15 1.247130771041197E-13 -1.382426410800139E-15
q -3.79162878388139E-15 1.081753171276327E-14 -6.517624504024932E-13 -6.859961405970951E-15 -3.079684904080192E-13 4.564759204341806E-15
tp 3.139127694077196E-13 -6.517624504024932E-13 8.848515442351788E-9 2.175453494160323E-12 2.006740243864027E-9 9.454410326967314E-12
node 2.112473325254951E-15 -6.859961405970951E-15 2.175453494160323E-12 7.95742269352212E-10 -7.857370304661316E-10 4.117006982454333E-11
peri 1.247130771041197E-13 -3.079684904080192E-13 2.006740243864027E-9 -7.857370304661316E-10 1.244704790721887E-9 -3.862788438327102E-11
i -1.382426410800139E-15 4.564759204341806E-15 9.454410326967314E-12 4.117006982454333E-11 -3.862788438327102E-11 2.557305003657306E-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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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