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JPL Small-Body Database Browser
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20219 Brianstone (1997 GP36)
Classification: Main-belt Asteroid          SPK-ID: 2020219
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2093658977043286 4.541e-08  
a 2.648695401846068 1.5076e-08 au
q 2.094148911293239 1.2369e-07 au
i 12.24241948259579 4.5974e-06 deg
node 215.7493619897626 2.2042e-05 deg
peri 323.7240485958224 2.4118e-05 deg
M 155.8787372681918 1.1274e-05 deg
tp 2458318.741075821514
(2018-Jul-19.24107582)
4.7261e-05 TDB
period 1574.513734236782
4.31
1.3443e-05
3.68e-08
d
yr
n .2286420195467547 1.952e-09 deg/d
Q 3.203241892398898 1.8232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1379  
   data-arc span      8070 days (22.09 yr)  
   first obs. used      1997-04-06  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49347  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:50:27  

Additional Information
 Earth MOID = 1.10869 au 
 Jupiter MOID = 1.82286 au 
 T_jup = 3.328 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO347680  
diameter diameter 12.427 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20219 Brianstone           Discovered 1997 Apr. 6 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Brian Stone mentored a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors. He teaches at the Northview High School, Duluth, Georgia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

[ show close-approach data ]
Alternate Designations
 1997 GP36 = 1998 QR81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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