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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385852041007573 4.6062e-08  
a 2.310703837398937 1.2625e-08 au
q 1.990474474476602 1.065e-07 au
i 5.051443683777684 6.5085e-06 deg
node 318.1601670248633 5.2367e-05 deg
peri 245.7739287622462 5.7349e-05 deg
M 43.27497349169562 2.2982e-05 deg
tp 2457446.276993582561
(2016-Feb-27.77699358)
8.1826e-05 JED
period 1282.965137365877
3.51
1.0515e-05
2.879e-08
d
yr
n .280599986324753 2.2997e-09 deg/d
Q 2.630933200321271 1.4375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1019  
   data-arc span      9185 days (25.15 yr)  
   first obs. used      1991-02-22  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49284  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:31:45  

Additional Information
 Earth MOID = .993153 au 
 Jupiter MOID = 2.35535 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 14.7 mag n/a MPO365482  

19166 (1991 EY1)          Discovered 1991-Mar-07 by Debehogne, H. at La Silla
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 ]
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