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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009390999654227 8.3965e-08  
a 2.55257476101232 1.8133e-08 AU
q 2.294920162041282 2.2168e-07 AU
i 3.236914937565023 8.4049e-06 deg
node 31.06561602004039 0.00010609 deg
peri 12.45531814753675 0.00012037 deg
M 338.8543482680616 5.5064e-05 deg
tp 2457087.995296533025
(2015-Mar-06.49529653)
0.0002283 JED
period 1489.587890275999
4.08
1.5873e-05
4.346e-08
d
yr
n .2416775823367476 2.5753e-09 deg/d
Q 2.810229359983357 1.9964e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      22274 days (60.98 yr)  
   first obs. used      1953-10-31  
   last obs. used      2014-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5415  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:36:23  

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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