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 ]  
19166 (1991 EY1)
Classification: Main-belt Asteroid          SPK-ID: 2019166
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389296250872304 5.9826e-08  
a 2.310509350803769 1.5898e-08 AU
q 1.989511152936061 1.4015e-07 AU
i 5.052913343045917 1.0182e-05 deg
node 318.1695101080794 5.3818e-05 deg
peri 246.0037924139057 6.554e-05 deg
M 178.583793830743 3.8029e-05 deg
tp 2456164.144844866563
(2012-Aug-24.64484487)
0.00013454 JED
period 1282.803164463853
3.51
1.324e-05
3.625e-08
d
yr
n .28063541622963 2.8964e-09 deg/d
Q 2.631507548671477 1.8106e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      8321 days (22.78 yr)  
   first obs. used      1991-02-22  
   last obs. used      2013-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53656  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:19:41  

Additional Information
 Earth MOID = .992958 AU 
 T_jup = 3.567 
[ 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 14.6 mag n/a MPO270273  

19166 (1991 EY1)          Discovered 1991-Mar-07 by Debehogne, H. at La Silla (809)
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 EY1 = 1991 DJ2 = 1998 BA25 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-24 10:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin