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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389786432126357 5.9891e-08  
a 2.310495814467849 1.5824e-08 AU
q 1.989386241024634 1.4034e-07 AU
i 5.052934319033941 1.0182e-05 deg
node 318.1691472028565 5.3818e-05 deg
peri 245.9712116870169 6.552e-05 deg
M 234.7557475135019 3.8099e-05 deg
tp 2457446.784198687221
(2016-Feb-28.28419869)
0.00013672 JED
period 1282.79189134623
3.51
1.3178e-05
3.608e-08
d
yr
n .2806378824410847 2.883e-09 deg/d
Q 2.631605387911064 1.8023e-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 = .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 (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 ]
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