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18115 Rathbun (2000 NT19)
Classification: Main-belt Asteroid          SPK-ID: 2018115
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08910177214644008 7.6254e-08  
a 2.985281442718585 3.4602e-08 AU
q 2.719287575816478 2.272e-07 AU
i 10.33366621615049 7.8638e-06 deg
node 147.6026340262289 3.8269e-05 deg
peri 209.7376510272696 5.5449e-05 deg
M 247.6087129641951 4.4248e-05 deg
tp 2457588.674907071667
(2016-Jul-19.17490707)
0.00023635 JED
period 1883.980263330773
5.16
3.2755e-05
8.968e-08
d
yr
n .1910848043405401 3.3223e-09 deg/d
Q 3.251275309620692 3.7685e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      14074 days (38.53 yr)  
   first obs. used      1975-12-06  
   last obs. used      2014-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58417  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:30:30  

Additional Information
 Earth MOID = 1.71926 AU 
 T_jup = 3.227 
[ 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 MPO256997  

18115 Rathbun           Discovered 2000 July 5 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Donald Rathbun (b. 1923) is a distinguished neurologist. Founder of the Epilepsy Association of El Paso, Rathbun also served on the Texas state board of United Cerebral Palsy, served as vice president of the State Development Disabilities Council and was elected to the Explorers Club.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060613/MPCPages.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2000 NT19 = 1975 XH6 = 1998 EX21 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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