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19167 (1991 ED2)
Classification: Main-belt Asteroid          SPK-ID: 2019167
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09566219287538377 5.433e-08  
a 2.266414123813971 1.5682e-08 AU
q 2.049603978766185 1.2332e-07 AU
i 4.704095242134764 6.2376e-06 deg
node 162.0763579802718 6.7464e-05 deg
peri 343.7522281636974 7.584e-05 deg
M 353.8085539866369 3.6226e-05 deg
tp 2457021.933688683526
(2014-Dec-30.43368868)
0.00012551 JED
period 1246.25619110876
3.41
1.2935e-05
3.541e-08
d
yr
n .2888651647778118 2.9982e-09 deg/d
Q 2.483224268861757 1.7182e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1096  
   data-arc span      8370 days (22.92 yr)  
   first obs. used      1991-02-10  
   last obs. used      2014-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46765  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:19:41  

Additional Information
 Earth MOID = 1.06226 AU 
 T_jup = 3.605 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO286922  

19167 (1991 ED2)          Discovered 1991-Mar-09 by Debehogne, H. at La Silla (809)
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 ED2 = 1991 CY2 = 1991 DR2 = 1998 FY50 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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