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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 ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166982285567458 4.8618e-08  
a 3.213019601761055 3.4087e-08 AU
q 2.83806590591744 1.5704e-07 AU
i .8867331419314709 8.0096e-06 deg
node 185.4591884280264 0.00033072 deg
peri 299.4057117005293 0.000333 deg
M 135.5223859295707 3.647e-05 deg
tp 2456008.587810837130
(2012-Mar-22.08781084)
0.00021494 JED
period 2103.625804277016
5.76
3.3476e-05
9.165e-08
d
yr
n .1711330975632934 2.7233e-09 deg/d
Q 3.587973297604671 3.8065e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1123  
   data-arc span      15143 days (41.46 yr)  
   first obs. used      1972-01-17  
   last obs. used      2013-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51936  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:31:58  

Additional Information
 Earth MOID = 1.85358 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 12.4 mag n/a PDS3 (MPC 37606)  

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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