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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3177311630775849 7.8428e-08  
a 2.544937688198639 1.5215e-08 au
q 1.736331676567305 2.048e-07 au
i 12.98148972740896 4.1532e-06 deg
node 116.7591145057842 3.5528e-05 deg
peri 250.8548008268118 3.5718e-05 deg
M 238.9852561115904 7.6055e-06 deg
tp 2459498.982529486882
(2021-Oct-11.48252949)
3.2438e-05 TDB
period 1482.907824692467
4.06
1.3298e-05
3.641e-08
d
yr
n .2427662690866565 2.1771e-09 deg/d
Q 3.353543699829972 2.0049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      8761 days (23.99 yr)  
   first obs. used      1996-06-19  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46162  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:55:49  

Additional Information
 Earth MOID = .783546 au 
 Jupiter MOID = 2.24941 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 15.6   n/a MPO469407  
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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