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 ]  
376762 (1999 WW23)
Classification: Main-belt Asteroid          SPK-ID: 2376762
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05671964385897022 7.6942e-08  
a 2.794843482900127 4.7294e-08 au
q 2.636320955908467 2.3431e-07 au
i 3.475337340629197 8.2919e-06 deg
node 234.2156624855559 0.00017547 deg
peri 187.2168324514481 0.00021492 deg
M 136.4453373615955 0.00012852 deg
tp 2458353.668944748101
(2018-Aug-23.16894475)
0.00059906 TDB
period 1706.611485547362
4.67
4.3319e-05
1.186e-07
d
yr
n .2109443203967054 5.3544e-09 deg/d
Q 2.953366009891786 4.9977e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      6509 days (17.82 yr)  
   first obs. used      1999-11-17  
   last obs. used      2017-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63011  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:39:19  

Additional Information
 Earth MOID = 1.64896 au 
 Jupiter MOID = 2.24398 au 
 T_jup = 3.322 
[ 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 16.9   n/a MPO418909  

376762 (1999 WW23)          Discovered 1999-Nov-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 1999 WW23 = 2008 UR106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-19 07:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin