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27711 Kirschvink (1988 VT4)
Classification: Main-belt Asteroid          SPK-ID: 2027711
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2344726076545022 4.4468e-08  
a 2.292774460826183 9.2924e-09 au
q 1.755181654232623 1.0371e-07 au
i 23.47031039466188 6.1855e-06 deg
node 226.7858684659874 1.2473e-05 deg
peri 120.3372867833449 1.8232e-05 deg
M 63.88074739641627 1.1423e-05 deg
tp 2458775.486840393790
(2019-Oct-18.98684039)		 4.0177e-05 TDB
period 1268.061830203009
3.47		 7.709e-06
2.111e-08		 d
yr
n .2838978285012854 1.7259e-09 deg/d
Q 2.830367267419743 1.1471e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1381  
   data-arc span      11439 days (31.32 yr)  
   first obs. used      1988-10-08  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:08:55  

Additional Information
 Earth MOID = .845039 au 
 Jupiter MOID = 2.86801 au 
 T_jup = 3.453 
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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO502365  
diameter diameter 3.336 km 0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.276   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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