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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389786409247565 5.3889e-08  
a 2.310495814102594 1.5179e-08 AU
q 1.989386245996276 1.2846e-07 AU
i 5.05293367723616 7.5992e-06 deg
node 318.1691497763522 5.2694e-05 deg
peri 245.9712109951687 6.0901e-05 deg
M 234.7557458670409 3.3175e-05 deg
tp 2457446.784204448247
(2016-Feb-28.28420445)
0.00012003 JED
period 1282.791891042044
3.51
1.2641e-05
3.461e-08
d
yr
n .2806378825076317 2.7655e-09 deg/d
Q 2.631605382208911 1.7288e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      8781 days (24.04 yr)  
   first obs. used      1991-02-22  
   last obs. used      2015-03-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51499  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:02:52  

Additional Information
 Earth MOID = .993848 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
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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