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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07999600693422663 4.3177e-08  
a 2.42849719992607 1.0115e-08 au
q 2.234227121081034 1.0369e-07 au
i 6.143654408465694 4.9202e-06 deg
node 213.5595855136692 3.2151e-05 deg
peri 11.87401083479275 4.0092e-05 deg
M 29.81674294374022 2.2593e-05 deg
tp 2458886.011322714005
(2020-Feb-06.51132271)
8.6809e-05 TDB
period 1382.308050907051
3.78
8.6364e-06
2.365e-08
d
yr
n .2604339891992766 1.6271e-09 deg/d
Q 2.622767278771106 1.0924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1467  
   data-arc span      10487 days (28.71 yr)  
   first obs. used      1991-12-03  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50317  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:29:55  

Additional Information
 Earth MOID = 1.22547 au 
 Jupiter MOID = 2.35212 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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