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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07098528230867135 4.5332e-08  
a 2.375214713107201 8.9697e-09 au
q 2.206609426153576 1.0839e-07 au
i 6.81394525699623 4.5709e-06 deg
node 208.975886609628 3.0326e-05 deg
peri 330.9289241018915 4.1159e-05 deg
M 121.4098211331556 2.6156e-05 deg
tp 2458549.575266171364
(2019-Mar-07.07526617)
9.7626e-05 TDB
period 1337.065672803117
3.66
7.5739e-06
2.074e-08
d
yr
n .2692463110247015 1.5252e-09 deg/d
Q 2.543820000060826 9.6064e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1775  
   data-arc span      23184 days (63.47 yr)  
   first obs. used      1955-11-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4782  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:29:44  

Additional Information
 Earth MOID = 1.21102 au 
 Jupiter MOID = 2.42377 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456527.5 (2013-Aug-23.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07100862017344198 4.5174e-08  
q 2.205551145997048 1.0779e-07 au
tp 2455876.296295589043
(2011-Nov-10.79629559)
0.00010172 TDB
node 209.0922535403622 3.0318e-05 deg
peri 330.7475334541802 4.1246e-05 deg
i 6.815340528729359 4.5718e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1775  
   data-arc span      23184 days (63.47 yr)  
   first obs. used      1955-11-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4782  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:29:44  

Additional Information
 Jupiter MOID = 2.42377 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.040671153638087E-15 -4.855307870882645E-15 8.287484044692148E-13 -5.997080974869831E-15 2.876322051581675E-13 -2.341525494617805E-15
q -4.855307870882645E-15 1.161879596161413E-14 -2.240722651527889E-12 1.468300473136501E-14 -7.499213345420962E-13 5.575584362576068E-15
tp 8.287484044692148E-13 -2.240722651527889E-12 1.034697441054264E-8 -7.954925007967381E-12 2.849669259952385E-9 2.717352607313448E-12
node -5.997080974869831E-15 1.468300473136501E-14 -7.954925007967381E-12 9.191949822103272E-10 -9.144620690584487E-10 -1.508563236525154E-11
peri 2.876322051581675E-13 -7.499213345420962E-13 2.849669259952385E-9 -9.144620690584487E-10 1.701272512342524E-9 1.569213107298968E-11
i -2.341525494617805E-15 5.575584362576068E-15 2.717352607313448E-12 -1.508563236525154E-11 1.569213107298968E-11 2.090116851012841E-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-Feb-19 13:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin