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 ]  
115918 (2003 WG9)
Classification: Main-belt Asteroid          SPK-ID: 2115918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07636925921141541 3.9617e-08  
a 2.781673928100405 1.7962e-08 au
q 2.569239550843669 1.0756e-07 au
i 12.68350977743933 4.7122e-06 deg
node 256.6488416993222 1.9526e-05 deg
peri 276.1377816744765 3.6724e-05 deg
M 111.677577511877 3.0521e-05 deg
tp 2458674.820258212979
(2019-Jul-10.32025821)
0.00014356 TDB
period 1694.56314561624
4.64
1.6414e-05
4.494e-08
d
yr
n .2124441340125354 2.0578e-09 deg/d
Q 2.994108305357141 1.9334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      7529 days (20.61 yr)  
   first obs. used      2000-01-05  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53449  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:47  

Additional Information
 Earth MOID = 1.61042 au 
 Jupiter MOID = 2.13578 au 
 T_jup = 3.293 
[ 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 15.01   n/a E2021B55  
diameter diameter 2.723 km 0.420 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.314   0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115918 (2003 WG9)          Discovered 2003-Nov-18 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 WG9 = 2000 AM71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-13 01:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin