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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .100939097824426 8.4245e-08  
a 2.552574759801506 1.857e-08 AU
q 2.294920166417741 2.2212e-07 AU
i 3.236915311800852 8.4139e-06 deg
node 31.06562192957565 0.00010739 deg
peri 12.4553122027917 0.00012153 deg
M 338.8543488743025 5.5111e-05 deg
tp 2457087.995293962301
(2015-Mar-06.49529396)
0.00022851 JED
period 1489.58788921612
4.08
1.6255e-05
4.45e-08
d
yr
n .2416775825087073 2.6373e-09 deg/d
Q 2.810229353185271 2.0444e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      22251 days (60.92 yr)  
   first obs. used      1953-10-31  
   last obs. used      2014-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53588  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:41:46  

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 14.5 mag n/a MPO263529  

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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