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

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO256997 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.0891983 n/a  
a 2.9849629 n/a AU
q 2.7187093 n/a AU
i 10.33337 n/a deg
node 147.60756 n/a deg
peri 210.06062 n/a deg
M 132.56103 n/a deg
tp 2455706.8822333
(2011-May-25.38223330)
n/a JED
period 1883.6787555
5.16
n/a
n/a
d
yr
n 0.19111539 n/a deg/d
Q 3.2512165 n/a AU
  Orbit Determination Parameters
   # obs. used (total)      553  
   first obs. used      1975-??-??  
   last obs. used      2013-03-17  
   # oppositions      14  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.57  
   data source      MPC:mpn  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.227 

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a PDS3 (MPO 4249)  

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

Alternate Designations
 2000 NT19 = 1975 XH6 = 1998 EX21 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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