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
JPL Small-Body Database Browser
Search: [ help ]  
118976 (2000 WL181)
Classification: Main-belt Asteroid          SPK-ID: 2118976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1171319697938342 6.3156e-08  
a 3.010787487150256 2.7635e-08 au
q 2.658128018149719 2.0089e-07 au
i 11.40978204422001 6.3581e-06 deg
node 311.1047733369397 2.4219e-05 deg
peri 9.928195651051096 3.2593e-05 deg
M 345.6885162387547 2.002e-05 deg
tp 2459076.357887086740
(2020-Aug-14.85788709)
0.00010597 TDB
period 1908.17666475487
5.22
2.6272e-05
7.193e-08
d
yr
n .1886617767890201 2.5975e-09 deg/d
Q 3.363446956150794 3.0872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      7689 days (21.05 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:04:39  

Additional Information
 Earth MOID = 1.64582 au 
 Jupiter MOID = 1.9399 au 
 T_jup = 3.209 
[ 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 14.8   n/a MPO436572  
diameter diameter 3.349 km 0.843 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118976 (2000 WL181)          Discovered 2000-Nov-30 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 WL181 = 2002 AG109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-29 23:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin