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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 ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1210802249822428 5.6218e-08  
a 2.62764053940476 1.5062e-08 au
q 2.30948523172117 1.4747e-07 au
i 1.089783273038443 5.6142e-06 deg
node 219.4388351505242 0.00031175 deg
peri 1.540525655278653 0.00031261 deg
M 76.70084684317239 2.7848e-05 deg
tp 2457269.029399237437
(2015-Sep-03.52939924)
0.00011995 JED
period 1555.777037488407
4.26
1.3377e-05
3.662e-08
d
yr
n .2313956250319593 1.9896e-09 deg/d
Q 2.945795847088351 1.6886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      23510 days (64.37 yr)  
   first obs. used      1951-02-04  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52421  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:54:28  

Additional Information
 Earth MOID = 1.30093 au 
 Jupiter MOID = 2.0279 au 
 T_jup = 3.391 
[ 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 14.4 mag n/a MPO337310  

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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