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14639 (1998 WK3)
Classification: Main-belt Asteroid          SPK-ID: 2014639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2150277093396333 3.6621e-08  
a 2.638541078907386 7.6487e-09 au
q 2.071181634711406 9.5865e-08 au
i .7883850975889987 3.2886e-06 deg
node 269.7365281994715 0.00027745 deg
peri 100.9074697514679 0.00027755 deg
M 107.3955125023288 7.0194e-06 deg
tp 2458733.488203308643
(2019-Sep-06.98820331)
3.0223e-05 TDB
period 1565.468080477225
4.29
6.8071e-06
1.864e-08
d
yr
n .2299631685177866 9.9994e-10 deg/d
Q 3.205900523103367 9.2934e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1716  
   data-arc span      16243 days (44.47 yr)  
   first obs. used      1976-09-24  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47291  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:34:22  

Additional Information
 Earth MOID = 1.06968 au 
 Jupiter MOID = 2.26303 au 
 T_jup = 3.363 
[ 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 14.72   n/a E2021B10  
diameter diameter 6.720 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14639 (1998 WK3)          Discovered 1998-Nov-19 by Kobayashi, T. at Oizumi
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WK3 = 1976 SY10 = 1985 YD2 = 1989 UG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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