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 ]  
30809 (1990 EO8)
Classification: Main-belt Asteroid          SPK-ID: 2030809
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08082093886533941 8.0048e-08  
a 2.716848324320478 2.3588e-08 AU
q 2.497270091994173 2.1997e-07 AU
i 9.82551185926572 8.01e-06 deg
node 349.2658082458292 3.1189e-05 deg
peri 180.7106686650181 4.7745e-05 deg
M 187.9565470738854 4.0206e-05 deg
tp 2457782.185698818547
(2017-Jan-28.68569882)
0.00018757 JED
period 1635.673120880277
4.48
2.1302e-05
5.832e-08
d
yr
n .2200928751621579 2.8663e-09 deg/d
Q 2.936426556646783 2.5494e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      859  
   data-arc span      9433 days (25.83 yr)  
   first obs. used      1988-11-05  
   last obs. used      2014-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47104  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:27:26  

Additional Information
 Earth MOID = 1.50424 AU 
 T_jup = 3.335 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO263605  

30809 (1990 EO8)          Discovered 1990-Mar-07 by Debehogne, H. at La Silla (809)
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 EO8 = 1988 VT8 = 1999 GC22 = 2001 QP240 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-01 18:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin