Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07098525345763289 4.4362e-08  
a 2.375214723361113 8.5537e-09 au
q 2.206609504207024 1.0592e-07 au
i 6.813942464598223 4.5191e-06 deg
node 208.9758916434587 2.9194e-05 deg
peri 330.9288867314614 4.0024e-05 deg
M 121.409852299305 2.5643e-05 deg
tp 2458549.575147498068
(2019-Mar-07.07514750)
9.573e-05 TDB
period 1337.065681461379
3.66
7.2226e-06
1.977e-08
d
yr
n .2692463092811783 1.4544e-09 deg/d
Q 2.543819942515204 9.1608e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1895  
   data-arc span      23536 days (64.44 yr)  
   first obs. used      1955-11-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:33:09  

Additional Information
 Earth MOID = 1.21102 au 
 Jupiter MOID = 2.42377 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456596.5 (2013-Oct-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0710349312218769 4.4206e-08  
q 2.205440887124994 1.0533e-07 au
tp 2457212.326972520935
(2015-Jul-08.82697252)
9.7596e-05 TDB
node 209.0920490009642 2.9187e-05 deg
peri 330.7239473475413 4.0106e-05 deg
i 6.815384657536019 4.52e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1895  
   data-arc span      23536 days (64.44 yr)  
   first obs. used      1955-11-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:33:09  

Additional Information
 Jupiter MOID = 2.42377 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.954146087495467E-15 -4.643334011580808E-15 8.700551136161452E-13 -9.695949207107171E-16 2.903654556287754E-13 -2.369729129503E-15
q -4.643334011580808E-15 1.109387953453824E-14 -2.269780233351706E-12 2.410917887895163E-15 -7.52857394254577E-13 5.640934110396883E-15
tp 8.700551136161452E-13 -2.269780233351706E-12 9.524903585477163E-9 -3.823540852540132E-12 2.690548182252192E-9 2.543588730423256E-12
node -9.695949207107171E-16 2.410917887895163E-15 -3.823540852540132E-12 8.518794143467663E-10 -8.463793134117199E-10 -1.359053668280851E-11
peri 2.903654556287754E-13 -7.52857394254577E-13 2.690548182252192E-9 -8.463793134117199E-10 1.608530911552855E-9 1.416079375564711E-11
i -2.369729129503E-15 5.640934110396883E-15 2.543588730423256E-12 -1.359053668280851E-11 1.416079375564711E-11 2.043043810335677E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-25 17:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin