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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08082092087181526 7.7575e-08  
a 2.716848331754759 2.2223e-08 AU
q 2.497270147713284 2.1139e-07 AU
i 9.825512070866662 7.9791e-06 deg
node 349.2658022980237 2.8605e-05 deg
peri 180.71066766389 4.5555e-05 deg
M 187.956550049578 4.0075e-05 deg
tp 2457782.185688506842
(2017-Jan-28.68568851)
0.00018722 JED
period 1635.673127593968
4.48
2.0069e-05
5.495e-08
d
yr
n .2200928742587772 2.7004e-09 deg/d
Q 2.936426515796234 2.4019e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      9544 days (26.13 yr)  
   first obs. used      1988-11-05  
   last obs. used      2014-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47535  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:22:14  

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
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 2015-Apr-19 12:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin