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37796 (1997 WK13)
Classification: Main-belt Asteroid          SPK-ID: 2037796
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575551613597928 3.3257e-08  
a 2.310634872482612 8.3894e-09 au
q 1.94658242230505 7.7421e-08 au
i 5.016909573530883 3.6667e-06 deg
node 53.40881670960025 4.4784e-05 deg
peri 358.0917753093049 4.6661e-05 deg
M 157.2763249089102 1.2057e-05 deg
tp 2458440.024976628414
(2018-Nov-17.52497663)
4.2662e-05 TDB
period 1282.90770102004
3.51
6.9869e-06
1.913e-08
d
yr
n .2806125489103886 1.5283e-09 deg/d
Q 2.674687322660174 9.7112e-09 au
  Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      15747 days (43.11 yr)  
   first obs. used      1976-12-18  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5006  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:38:21  

Additional Information
 Earth MOID = .957389 au 
 Jupiter MOID = 2.68126 au 
 T_jup = 3.563 
[ show covariance matrix ]

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 15.6   n/a MPO381550  
diameter diameter 3.943 km 0.332 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37796 (1997 WK13)          Discovered 1997-Nov-24 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WK13 = 1976 YY5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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