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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457363.5 (2015-Dec-07.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07059034994392167 1.0665e-08  
q 2.206643776359846 2.4269e-08 au
tp 2457210.306238980833
(2015-Jul-06.80623898)
5.5553e-05 TDB
node 209.0379037899259 6.6962e-06 deg
peri 330.1523532477879 1.75e-05 deg
i 6.8168439808438 3.9586e-07 deg
  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
 Jupiter MOID = 2.42293 au 
 T_jup = 3.530 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.137382954329465E-16 -2.500511042869938E-16 -3.945151543179448E-13 1.896641969026871E-14 -1.292928787739493E-13 -1.742484994613088E-15
q -2.500511042869938E-16 5.889727129018636E-16 9.515005467992002E-13 -4.461929114741867E-14 3.111994829539007E-13 4.121071374231195E-15
tp -3.945151543179448E-13 9.515005467992002E-13 3.086120024833037E-9 -3.186835319474813E-11 8.988747151674313E-10 3.48603161161161E-12
node 1.896641969026871E-14 -4.461929114741867E-14 -3.186835319474813E-11 4.483944816364298E-11 -5.351904591221639E-11 -2.103282785930154E-12
peri -1.292928787739493E-13 3.111994829539007E-13 8.988747151674313E-10 -5.351904591221639E-11 3.062415763328486E-10 3.106393425796805E-12
i -1.742484994613088E-15 4.121071374231195E-15 3.48603161161161E-12 -2.103282785930154E-12 3.106393425796805E-12 1.567036516598373E-13

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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