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46745 (1997 WK47)
Classification: Main-belt Asteroid          SPK-ID: 2046745
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1462009694672641 4.6909e-08  
a 2.970756600683652 1.5457e-08 au
q 2.536429105612428 1.4102e-07 au
i 3.868108318885524 3.932e-06 deg
node 65.68630463096224 7.6316e-05 deg
peri 325.6287146194544 7.7948e-05 deg
M 162.6013190842439 1.6206e-05 deg
tp 2458155.764790056466
(2018-Feb-06.26479006)
8.1692e-05 TDB
period 1870.24728515342
5.12
1.4597e-05
3.996e-08
d
yr
n .1924879147574694 1.5023e-09 deg/d
Q 3.405084095754876 1.7717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      9572 days (26.21 yr)  
   first obs. used      1994-02-13  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:34:48  

Additional Information
 Earth MOID = 1.54345 au 
 Jupiter MOID = 2.03008 au 
 T_jup = 3.243 
[ 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 14.1   n/a MPO296483  
diameter diameter 5.208 km 0.633 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.118   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46745 (1997 WK47)          Discovered 1997-Nov-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WK47 = 2000 HM47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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