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JPL Small-Body Database Browser
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74359 (1998 WK14)
Classification: Main-belt Asteroid          SPK-ID: 2074359
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09265989619785572 6.5591e-08  
a 2.755711730031585 1.7748e-08 au
q 2.500367767175645 1.8232e-07 au
i 6.0911688962531 5.784e-06 deg
node 68.24030654483128 6.1135e-05 deg
peri 309.7398616449172 6.5971e-05 deg
M 200.8118296381146 2.6294e-05 deg
tp 2459339.351900171613
(2021-May-04.85190017)
0.00012485 TDB
period 1670.894787326899
4.57
1.6142e-05
4.419e-08
d
yr
n .2154534221606668 2.0814e-09 deg/d
Q 3.011055692887525 1.9393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      7507 days (20.55 yr)  
   first obs. used      1998-10-20  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61522  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:28  

Additional Information
 Earth MOID = 1.50734 au 
 Jupiter MOID = 2.43576 au 
 T_jup = 3.329 
[ 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 15.2   n/a MPO263907  
diameter diameter 4.996 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74359 (1998 WK14)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WK14 = 2000 DL100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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