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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07145984448649291 1.06e-08  
a 2.374068151356165 7.0634e-09 au
q 2.204417610459918 2.4081e-08 au
i 6.815647058867533 3.9641e-07 deg
node 208.950270426172 6.6985e-06 deg
peri 330.778949674491 1.7374e-05 deg
M 175.4485476146167 1.5094e-05 deg
tp 2458549.343355716786
(2019-Mar-06.84335572)		 5.5542e-05 TDB
period 1336.097648735552
3.66		 5.9628e-06
1.633e-08		 d
yr
n .269441384273593 1.2025e-09 deg/d
Q 2.543718692252412 7.5681e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2364  
   data-arc span      23803 days (65.17 yr)  
   first obs. used      1955-11-19  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4571  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:56:51  

Additional Information
 Earth MOID = 1.20835 au 
 Jupiter MOID = 2.42293 au 
 T_jup = 3.530 
[ 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 13.99   n/a E2021B10  
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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