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 ]  
7864 (1982 EE)
Classification: Main-belt Asteroid          SPK-ID: 2007864
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04241858637535126 5.6927e-08  
a 2.703053609981431 2.1368e-08 AU
q 2.588393896949229 1.5493e-07 AU
i 9.356614353696038 6.4517e-06 deg
node 109.925223891511 3.8219e-05 deg
peri 23.98505514247757 8.8724e-05 deg
M 160.4072859370493 7.9814e-05 deg
tp 2456277.227412118497
(2012-Dec-15.72741212)
0.00035985 JED
period 1623.231327157575
4.44
1.9248e-05
5.27e-08
d
yr
n .2217798498445644 2.6299e-09 deg/d
Q 2.817713323013633 2.2275e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1040  
   data-arc span      11865 days (32.48 yr)  
   first obs. used      1982-03-14  
   last obs. used      2014-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52853  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:11:09  

Additional Information
 Earth MOID = 1.60626 AU 
 T_jup = 3.346 
[ 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 12.7 mag n/a MPO302113  

7864 (1982 EE)          Discovered 1982-Mar-14 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 EE = 1986 CW = 1989 WY5 = 1996 JJ16 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-31 11:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin