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72924 (2001 WM66)
Classification: Main-belt Asteroid          SPK-ID: 2072924
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470182174772667 3.4925e-08  
a 2.594915540956489 1.3112e-08 au
q 2.213415683621009 8.9591e-08 au
i 2.141288935429319 5.9974e-06 deg
node 141.8157730730108 0.00010186 deg
peri 119.1068144143266 0.000104 deg
M 18.67928541683933 2.0715e-05 deg
tp 2459317.278871469386
(2021-Apr-12.77887147)
8.771e-05 TDB
period 1526.803923950474
4.18
1.1572e-05
3.168e-08
d
yr
n .2357866615043344 1.7871e-09 deg/d
Q 2.976415398291969 1.504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      9139 days (25.02 yr)  
   first obs. used      1996-07-22  
   last obs. used      2021-07-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55122  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:53:03  

Additional Information
 Earth MOID = 1.19897 au 
 Jupiter MOID = 2.08407 au 
 T_jup = 3.401 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457219.5 (2015-Jul-16.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477988242225096 3.4918e-08  
q 2.211219994325072 8.9571e-08 au
tp 2457788.355111264663
(2017-Feb-03.85511126)
8.5043e-05 TDB
node 141.8315246839707 0.00010189 deg
peri 118.7317752194223 0.00010401 deg
i 2.140297454128038 5.9991e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      9139 days (25.02 yr)  
   first obs. used      1996-07-22  
   last obs. used      2021-07-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55122  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:53:03  

Additional Information
 Jupiter MOID = 2.08407 au 
 T_jup = 3.401 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.219280550419055E-15 -3.103224551101982E-15 9.412512991785961E-13 -1.05608130267977E-15 2.183918697738075E-13 7.861433373615266E-17
q -3.103224551101982E-15 8.023013151401338E-15 -2.306362108130368E-12 1.361768544372394E-15 -5.451983089574796E-13 -2.343690816118848E-16
tp 9.412512991785961E-13 -2.306362108130368E-12 7.232243629448541E-9 -7.187092181191233E-12 1.78531379228689E-9 6.232217372763437E-13
node -1.05608130267977E-15 1.361768544372394E-15 -7.187092181191233E-12 1.038128570731319E-8 -1.037527175672447E-8 1.082062405249053E-10
peri 2.183918697738075E-13 -5.451983089574796E-13 1.78531379228689E-9 -1.037527175672447E-8 1.081845418633444E-8 -1.079863012271234E-10
i 7.861433373615266E-17 -2.343690816118848E-16 6.232217372763437E-13 1.082062405249053E-10 -1.079863012271234E-10 3.598881927840985E-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 15.73   n/a MPO637041  

72924 (2001 WM66)          Discovered 2001-Nov-20 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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