Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
2803 Vilho (1940 WG)
Classification: Main-belt Asteroid          SPK-ID: 2002803
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1783703988045689 4.5893e-08  
a 3.14270473380566 2.2077e-08 AU
q 2.582139237111738 1.4403e-07 AU
i 1.330527890554842 5.7532e-06 deg
node 20.82527901273706 0.0002361 deg
peri 43.57914213406469 0.00023669 deg
M 77.18108035374865 1.7163e-05 deg
tp 2456564.223169826892
(2013-Sep-28.72316983)
9.6528e-05 JED
period 2034.950251311047
5.57
2.1443e-05
5.871e-08
d
yr
n .1769085017032061 1.8641e-09 deg/d
Q 3.703270230499582 2.6015e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1296  
   data-arc span      31141 days (85.26 yr)  
   first obs. used      1929-11-27  
   last obs. used      2015-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51627  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 13:44:24  

Additional Information
 Earth MOID = 1.59539 AU 
 T_jup = 3.185 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.8 mag n/a PDS3 (MPC 17266)  

2803 Vilho (1940 WG)          Discovered 1940-Nov-29 by Oterma, L. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1940 WG = 1929 XM = 1962 VE = 1973 SD5 = 1976 GF5 = 1977 KC1 = 1978 ND5 = 1979 SZ11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Mar-30 17:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin