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20405 Barryburke (1998 QP6)
Classification: Main-belt Asteroid          SPK-ID: 2020405
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009391019350073 8.3842e-08  
a 2.552574757835651 1.7541e-08 AU
q 2.294920154157751 2.214e-07 AU
i 3.236914717015144 8.3919e-06 deg
node 31.06563572642279 0.00010316 deg
peri 12.45529379460441 0.00011776 deg
M 338.8543539638247 5.4687e-05 deg
tp 2457087.995272802084
(2015-Mar-06.49527280)
0.00022672 JED
period 1489.58788749532
4.08
1.5354e-05
4.204e-08
d
yr
n .2416775827878978 2.4911e-09 deg/d
Q 2.81022936151355 1.9311e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      22341 days (61.17 yr)  
   first obs. used      1953-10-31  
   last obs. used      2014-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54116  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:46:30  

Additional Information
 Earth MOID = 1.30336 AU 
 T_jup = 3.430 
[ 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 14.6 mag n/a MPO313582  

20405 Barryburke           Discovered 1998 Aug. 24 by the OCA-DLR Asteroid Survey at Caussols.
Barry Burke, who works at the MIT Lincoln Laboratory, has spent his career designing many of the world's best CCD sensors. They include the 2K x 4K sensors that are used in most of the leading ground-based observatories and the orthogonal transfer CCDs that are providing breakthrough technology for Pan-STARRS.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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