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9695 Johnheise (6583 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2009695
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09851313140265645 5.298e-08  
a 2.283655117179871 1.2165e-08 AU
q 2.058685100542781 1.1985e-07 AU
i 4.15043083611086 7.7471e-06 deg
node 173.1103363939528 7.8647e-05 deg
peri 274.982045712342 9.0264e-05 deg
M 177.4215025924726 4.3203e-05 deg
tp 2456379.276389067145
(2013-Mar-27.77638907)
0.000151 JED
period 1260.503922399517
3.45
1.0072e-05
2.758e-08
d
yr
n .285600063278421 2.282e-09 deg/d
Q 2.50862513381696 1.3363e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      997  
   data-arc span      22561 days (61.77 yr)  
   first obs. used      1953-09-06  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49129  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:02:47  

Additional Information
 Earth MOID = 1.07969 AU 
 T_jup = 3.594 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO302125  

9695 Johnheise           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
John Heise (b. 1942), professor of general physics at Utrecht University, specialized in high-energy space physics. In 1975 he discovered and detected sources of galactic x-ray bursts (1975). He was among the discoverers in 1998 of the origin of the cosmic \gamma -ray bursts. The name was suggested by C. de Jager.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 6583 P-L = 1981 UU23 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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