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

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .208184104386732 7.4247e-08  
a 2.650065498988239 2.1703e-08 AU
q 2.098363986515194 2.0111e-07 AU
i 12.24398975803072 8.3818e-06 deg
node 215.8241252689925 2.7753e-05 deg
peri 323.6640490282679 3.2226e-05 deg
M 59.06174689154329 1.4533e-05 deg
tp 2456741.984179261597
(2014-Mar-25.48417926)
6.3767e-05 JED
period 1575.735571057931
4.31
1.9357e-05
5.3e-08
d
yr
n .228464728862026 2.8065e-09 deg/d
Q 3.201767011461284 2.6221e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      6628 days (18.15 yr)  
   first obs. used      1997-04-06  
   last obs. used      2015-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48434  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:36:24  

Additional Information
 Earth MOID = 1.11407 AU 
 T_jup = 3.328 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO257012  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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