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6580 Philbland (1981 EW21)
Classification: Main-belt Asteroid          SPK-ID: 2006580
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220166242583972 5.9074e-08  
a 2.628609617717411 1.8515e-08 AU
q 2.307875545670377 1.5277e-07 AU
i 1.089551005358413 6.1241e-06 deg
node 219.5858699597836 0.00032855 deg
peri 1.190838857557616 0.00032965 deg
M 251.8723109702767 3.3496e-05 deg
tp 2457268.043459578184
(2015-Sep-02.54345958)
0.000147 JED
period 1556.637776674186
4.26
1.6447e-05
4.503e-08
d
yr
n .2312676753670679 2.4435e-09 deg/d
Q 2.949343689764446 2.0774e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      23047 days (63.10 yr)  
   first obs. used      1951-02-04  
   last obs. used      2014-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52001  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:34:49  

Additional Information
 Earth MOID = 1.29992 AU 
 T_jup = 3.390 
[ 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 14.3 mag n/a MPO250273  

6580 Philbland           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring in the course of the U.K. Schmidt-Caltech Asteroid Survey.
Philip A. Bland (b. 1969), a research scientist at London's Imperial College, is involved in a variety of planetary and meteoritical studies. His fireball camera network offers an important glimpse into links between meteorites and minor planets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

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