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13436 Enid (1999 WF)
Classification: Outer Main-belt Asteroid          SPK-ID: 2013436
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1164707932470831 4.4562e-08  
a 3.213043136659655 2.694e-08 au
q 2.838817453795809 1.4352e-07 au
i .8873862957803327 6.8595e-06 deg
node 185.4260556678805 0.00027897 deg
peri 299.6719502117596 0.00028055 deg
M 272.1220091727341 3.0171e-05 deg
tp 2458114.012334086484
(2017-Dec-26.51233409)
0.00017797 JED
period 2103.648917446305
5.76
2.6457e-05
7.244e-08
d
yr
n .1711312172931484 2.1523e-09 deg/d
Q 3.587268819523501 3.0078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1315  
   data-arc span      16026 days (43.88 yr)  
   first obs. used      1972-01-17  
   last obs. used      2015-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49612  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:24:07  

Additional Information
 Earth MOID = 1.85299 au 
 Jupiter MOID = 1.48106 au 
 T_jup = 3.180 
[ 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 12.5 mag n/a MPO347631  

13436 Enid           Discovered 1999 Nov. 17 by T. Stafford at the Zeno Observatory.
Enid, a city in northern Oklahoma, was founded on 1893 Sept. 16 in the Cherokee Outlet land run. It lies on the Chisholm Trail, a major route of cattle drives from Texas to Kansas in the late 1800s.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1999 WF = 1972 BL = 1981 SN4 = 1989 CW8 = 1996 HB24 = 1998 QY48 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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