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17189 (1999 WU3)
Classification: Main-belt Asteroid          SPK-ID: 2017189
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0709852509923007 4.3918e-08  
a 2.375214723732292 8.4915e-09 au
q 2.206609510407547 1.0473e-07 au
i 6.813942637322226 4.4776e-06 deg
node 208.9758915815461 2.9194e-05 deg
peri 330.9288852452983 3.9793e-05 deg
M 121.4098535243735 2.5413e-05 deg
tp 2458549.575142842376
(2019-Mar-07.07514284)
9.484e-05 TDB
period 1337.065681774798
3.66
7.1701e-06
1.963e-08
d
yr
n .2692463092180649 1.4438e-09 deg/d
Q 2.543819937057037 9.0942e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1931  
   data-arc span      23586 days (64.57 yr)  
   first obs. used      1955-11-19  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:07:30  

Additional Information
 Earth MOID = 1.21102 au 
 Jupiter MOID = 2.42377 au 
 T_jup = 3.529 
[ 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 13.9   n/a MPO337404  
diameter diameter 4.527 km 1.399 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.237   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

17189 (1999 WU3)          Discovered 1999-Nov-28 by Kobayashi, T. at Oizumi
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 WU3 = 1995 SH53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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