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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166631036906211 4.4835e-08  
a 3.213290259559112 3.1096e-08 AU
q 2.838417844820105 1.434e-07 AU
i .8867740082086454 7.4051e-06 deg
node 185.4456970355187 0.0003038 deg
peri 299.4848075562721 0.00030572 deg
M 169.6675911380655 3.2847e-05 deg
tp 2456008.938270269375
(2012-Mar-22.43827027)
0.00019327 JED
period 2103.891617183095
5.76
3.054e-05
8.361e-08
d
yr
n .1711114760189048 2.4838e-09 deg/d
Q 3.58816267429812 3.4724e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1123  
   data-arc span      15508 days (42.46 yr)  
   first obs. used      1972-01-17  
   last obs. used      2014-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49885  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:30:30  

Additional Information
 Earth MOID = 1.85417 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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