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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214406373154189 5.813e-08  
a 2.628622618049972 1.8376e-08 AU
q 2.309401012052259 1.5068e-07 AU
i 1.0892740837774 6.0033e-06 deg
node 219.484418021658 0.00032827 deg
peri 1.270541118140629 0.00032935 deg
M 298.0820434704389 3.2755e-05 deg
tp 2457268.234847829225
(2015-Sep-02.73484783)
0.00014276 JED
period 1556.649324699608
4.26
1.6323e-05
4.469e-08
d
yr
n .2312659597044892 2.4251e-09 deg/d
Q 2.947844224047686 2.0608e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      23333 days (63.88 yr)  
   first obs. used      1951-02-04  
   last obs. used      2014-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53615  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:17:32  

Additional Information
 Earth MOID = 1.30273 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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