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20306 Richarnold (1998 FC106)
Classification: Main-belt Asteroid          SPK-ID: 2020306
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1046266980638737 3.4124e-08  
a 2.56392686652127 9.4274e-09 au
q 2.295671664399895 8.621e-08 au
i 4.648650902679033 3.7884e-06 deg
node 259.6597542780116 4.3504e-05 deg
peri 14.29883212123035 4.7075e-05 deg
M 117.9162333849819 1.7726e-05 deg
tp 2458709.334364256329
(2019-Aug-13.83436426)
7.3801e-05 TDB
period 1499.535931498315
4.11
8.2706e-06
2.264e-08
d
yr
n .2400742739390667 1.3241e-09 deg/d
Q 2.832182068642644 1.0414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1225  
   data-arc span      10687 days (29.26 yr)  
   first obs. used      1991-10-08  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53061  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:16:47  

Additional Information
 Earth MOID = 1.27788 au 
 Jupiter MOID = 2.25411 au 
 T_jup = 3.421 
[ 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 14.87   n/a E2021B10  
diameter diameter 2.892 km 0.592 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.278   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20306 Richarnold           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Richard Arnold mentored a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors. He teaches at the Guilderland Central High School, Guilderland Center, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040415/MPCPages.arcLast Updated: 2004-04-20

Alternate Designations
 1998 FC106 = 1999 RU61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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