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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09566219403422938 5.4244e-08  
a 2.266414123082497 1.4216e-08 AU
q 2.049603975478262 1.2324e-07 AU
i 4.7040940576403 6.1069e-06 deg
node 162.0763401573396 6.4821e-05 deg
peri 343.7522447721828 7.2401e-05 deg
M 353.8085555834015 3.2491e-05 deg
tp 2457021.933683145434
(2014-Dec-30.43368315)
0.00011254 JED
period 1246.256190505425
3.41
1.1726e-05
3.21e-08
d
yr
n .2888651649176565 2.7179e-09 deg/d
Q 2.483224270686733 1.5576e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      8717 days (23.87 yr)  
   first obs. used      1991-02-10  
   last obs. used      2014-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46843  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:41:51  

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 14.1 mag n/a MPO319324  

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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