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14859 (1989 WU1)
Classification: Main-belt Asteroid          SPK-ID: 2014859
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2769517506097269 2.6296e-08  
a 2.591559550757013 9.4766e-09 au
q 1.873822596365501 6.5811e-08 au
i 9.983308807905001 1.0576e-06 deg
node 226.3628345010829 3.2417e-06 deg
peri 112.7520501235296 4.1719e-06 deg
M 217.2858042845432 7.3554e-06 deg
tp 2459804.594511102583
(2022-Aug-13.09451110)
3.3633e-05 TDB
period 1523.842970958047
4.17
8.3584e-06
2.288e-08
d
yr
n .2362448144992698 1.2958e-09 deg/d
Q 3.309296505148525 1.2101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1725  
   data-arc span      17692 days (48.44 yr)  
   first obs. used      1972-10-06  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47221  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:40:54  

Additional Information
 Earth MOID = .891155 au 
 Jupiter MOID = 2.23606 au 
 T_jup = 3.344 
[ 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 13.74   n/a E2021B10  
diameter diameter 4.327 km 0.676 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.366   0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

14859 (1989 WU1)          Discovered 1989-Nov-25 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 WU1 = 1972 TD6 = 1997 LG6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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