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 ]  
69593 (1998 EN21)
Classification: Main-belt Asteroid          SPK-ID: 2069593
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 .0617453371046553 7.3226e-08  
a 2.275489256632917 2.1075e-08 AU
q 2.134988405404096 1.649e-07 AU
i 7.584269875420916 7.6503e-06 deg
node 114.5687598461267 5.2764e-05 deg
peri 6.773692052730919 8.1757e-05 deg
M 324.2178183803861 6.6365e-05 deg
tp 2457125.116321093401
(2015-Apr-12.61632109)
0.00023195 JED
period 1253.749032703846
3.43
1.7418e-05
4.769e-08
d
yr
n .2871388057812662 3.9891e-09 deg/d
Q 2.415990107861738 2.2376e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      6118 days (16.75 yr)  
   first obs. used      1998-01-02  
   last obs. used      2014-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54641  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 16:17:47  

Additional Information
 Earth MOID = 1.15121 AU 
 T_jup = 3.595 
[ 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 15.2 mag n/a MPO267918  

69593 (1998 EN21)          Discovered 1998-Mar-11 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 EN21 = 2000 UV106 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Dec-22 06:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin