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 ]  
249780 (2000 WD86)
Classification: Main-belt Asteroid          SPK-ID: 2249780
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543373492057312 8.2701e-08  
a 3.023045867459534 4.1247e-08 au
q 2.55647698174849 2.6125e-07 au
i 15.72883710594414 8.4131e-06 deg
node 264.4170897787048 3.4945e-05 deg
peri 135.8260408671532 5.6948e-05 deg
M 212.2198329387388 4.4196e-05 deg
tp 2459388.596110601359
(2021-Jun-23.09611060)
0.00024702 TDB
period 1919.842191671615
5.26
3.9292e-05
1.076e-07
d
yr
n .1875154122363289 3.8377e-09 deg/d
Q 3.489614753170579 4.7612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      6847 days (18.75 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49163  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:05  

Additional Information
 Earth MOID = 1.59056 au 
 Jupiter MOID = 1.94564 au 
 T_jup = 3.171 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO454852  
diameter diameter 4.161 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249780 (2000 WD86)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-16 11:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin