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 ]  
8841 (1990 EA7)
Classification: Main-belt Asteroid          SPK-ID: 2008841
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04578040591246877 8.2965e-08  
a 2.54712429423939 1.9971e-08 AU
q 2.4305159101396 2.0837e-07 AU
i 9.30391445284169 7.821e-06 deg
node 351.1100413447512 3.626e-05 deg
peri 290.3416538686287 0.00015842 deg
M 229.2116255088572 0.0001639 deg
tp 2457339.936433658799
(2015-Nov-13.43643366)
0.00067632 JED
period 1484.819402892105
4.07
1.7463e-05
4.781e-08
d
yr
n .2424537282438513 2.8515e-09 deg/d
Q 2.663732678339179 2.0886e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      22380 days (61.27 yr)  
   first obs. used      1953-02-15  
   last obs. used      2014-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50801  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:40:50  

Additional Information
 Earth MOID = 1.43225 AU 
 T_jup = 3.422 
[ 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 MPO250297  

8841 (1990 EA7)          Discovered 1990-Mar-02 by Debehogne, H. at La Silla (809)
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 EA7 = 1974 FC2 = 1978 EW2 = 1978 GV = 1988 XP3 = 1994 CU1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-29 16:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin