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27711 Kirschvink (1988 VT4)
Classification: Main-belt Asteroid          SPK-ID: 2027711
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2353519228454244 7.8125e-08  
a 2.291977786808119 2.0138e-08 AU
q 1.752556407563828 1.8547e-07 AU
i 23.47623892054407 1.1565e-05 deg
node 226.7994277902022 2.456e-05 deg
peri 120.451759360382 3.9699e-05 deg
M 215.8180565843049 2.8135e-05 deg
tp 2457508.100928151682
(2016-Apr-29.60092815)
0.00010147 JED
period 1267.400964403381
3.47
1.6704e-05
4.573e-08
d
yr
n .2840458624469069 3.7436e-09 deg/d
Q 2.83139916605241 2.4878e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      9214 days (25.23 yr)  
   first obs. used      1988-10-08  
   last obs. used      2013-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53682  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 01:51:24  

Additional Information
 Earth MOID = .842197 AU 
 T_jup = 3.454 
[ 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 14.4 mag n/a MPO279804  

27711 Kirschvink           Discovered 1988 Nov. 4 by C. S. Shoemaker and E. M. Shoemaker at Palomar.
Joseph L. Kirschvink (b. 1954) is a professor at the California Institute of Technology in Pasadena. His interests focus on geomagnetic reversals, geomagnetic sensitivity in animals, the biological effects of electromagnetic fields and biomineralization of ferromagnetic materials.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1988 VT4 = 2001 HB49 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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