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134220 (2005 WM46)
Classification: Main-belt Asteroid          SPK-ID: 2134220
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .317731536048506 7.4547e-08  
a 2.54551198168177 1.4858e-08 au
q 1.736722549712145 1.9462e-07 au
i 12.9815515644311 4.088e-06 deg
node 116.7585862467761 3.3729e-05 deg
peri 250.8120673807139 3.3927e-05 deg
M 287.5873837408475 7.5592e-06 deg
tp 2459498.882180449956
(2021-Oct-11.38218045)
3.1985e-05 TDB
period 1483.409804964856
4.06
1.2988e-05
3.556e-08
d
yr
n .2426841178985796 2.1248e-09 deg/d
Q 3.354301413651396 1.9578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      8761 days (23.99 yr)  
   first obs. used      1996-06-19  
   last obs. used      2020-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46087  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:07:26  

Additional Information
 Earth MOID = .782405 au 
 Jupiter MOID = 2.24949 au 
 T_jup = 3.337 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.55   n/a E2021B55  
diameter diameter 4.349 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134220 (2005 WM46)          Discovered 2005-Nov-24 by NEAT at Palomar
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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