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 ]  
46641 (1995 EY)
Classification: Main-belt Asteroid          SPK-ID: 2046641
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2716914597842359 5.8359e-08  
a 2.638874549296595 2.1012e-08 AU
q 1.921914870810735 1.4959e-07 AU
i 4.45850894598633 8.205e-06 deg
node 324.7899407126988 6.0878e-05 deg
peri 143.5501313262606 6.2577e-05 deg
M 255.0252679172036 1.2741e-05 deg
tp 2457457.071520294305
(2016-Mar-09.57152029)
5.7784e-05 JED
period 1565.764865932787
4.29
1.8701e-05
5.12e-08
d
yr
n .2299195797738979 2.7461e-09 deg/d
Q 3.355834227782454 2.6721e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      689  
   data-arc span      21511 days (58.89 yr)  
   first obs. used      1955-10-24  
   last obs. used      2014-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51391  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:36:30  

Additional Information
 Earth MOID = .940675 AU 
 T_jup = 3.338 
[ 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 14.9 mag n/a MPO266175  

46641 (1995 EY)          Discovered 1995-Mar-05 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 EY = 1991 GH14 = 1998 XS46 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-31 04:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin