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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051868430752847 4.2835e-08  
a 2.565237023658024 1.1224e-08 au
q 2.295407839399597 1.1221e-07 au
i 4.648772198970955 4.6507e-06 deg
node 259.6635079528718 4.8677e-05 deg
peri 14.60877023898962 5.2236e-05 deg
M 333.6190418048074 1.854e-05 deg
tp 2458710.470890270512
(2019-Aug-14.97089027)
7.7241e-05 TDB
period 1500.685464283042
4.11
9.8492e-06
2.697e-08
d
yr
n .2398903758103577 1.5744e-09 deg/d
Q 2.835066207916451 1.2405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      951  
   data-arc span      10178 days (27.87 yr)  
   first obs. used      1991-10-08  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55949  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:29:36  

Additional Information
 Earth MOID = 1.27895 au 
 Jupiter MOID = 2.25305 au 
 T_jup = 3.420 
[ 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 14.8   n/a MPO257012  
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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