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JPL Small-Body Database Browser
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26266 Andrewmerrill (1998 RW47)
Classification: Main-belt Asteroid          SPK-ID: 2026266
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07969842822629765 4.495e-08  
a 2.4279064373655 1.0731e-08 au
q 2.23440611042696 1.0885e-07 au
i 6.144559734970838 5.212e-06 deg
node 213.5667908184735 3.2785e-05 deg
peri 11.71212732855261 4.0823e-05 deg
M 285.7477799733099 2.3337e-05 deg
tp 2458885.505531419921
(2020-Feb-06.00553142)
8.9556e-05 TDB
period 1381.80368579271
3.78
9.1608e-06
2.508e-08
d
yr
n .2605290488811194 1.7272e-09 deg/d
Q 2.62140676430404 1.1586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1339  
   data-arc span      9976 days (27.31 yr)  
   first obs. used      1991-12-03  
   last obs. used      2019-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52037  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:56:54  

Additional Information
 Earth MOID = 1.22573 au 
 Jupiter MOID = 2.35408 au 
 T_jup = 3.497 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO384974  

26266 Amdrewmerrill           Discovered 1998 Sept. 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Andrew Merrill mentored a finalist in the 2010 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Catlin Gabel School, Portland, Oregon.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100228/MPCPages.arcLast Updated: 2010-10-29

Alternate Designations
 1998 RW47 = 2000 AX183 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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