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JPL Small-Body Database Browser
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43971 Gabzdyl (1997 GB4)
Classification: Main-belt Asteroid          SPK-ID: 2043971
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782312182661023 3.701e-08  
a 2.645227364583311 1.6083e-08 au
q 2.173765268802796 1e-07 au
i 2.336230036313744 6.1096e-06 deg
node 183.8377164816574 0.00010874 deg
peri 79.92770729860398 0.00011028 deg
M 86.06191409990419 2.059e-05 deg
tp 2458624.834392155297
(2019-May-21.33439216)
8.8306e-05 TDB
period 1571.422390944053
4.30
1.4332e-05
3.924e-08
d
yr
n .2290918101171545 2.0894e-09 deg/d
Q 3.116689460363826 1.895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      8594 days (23.53 yr)  
   first obs. used      1994-10-29  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55777  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 23:03:43  

Additional Information
 Earth MOID = 1.1596 au 
 Jupiter MOID = 1.96377 au 
 T_jup = 3.369 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO474305  
diameter diameter 3.812 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43971 Gabzdyl           Discovered 1997 Apr. 8 by M. Tichy and Z. Moravec at Klet.
Pavel Gabzdyl (b. 1974) is a Czech planetary astronomer who specializes in studying the moon. He is the author of a series of popular books, scientific and popular articles, as well as of educational performances at the Nicholas Copernicus Observatory and Planetarium in Brno.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

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Alternate Designations
 1997 GB4 = 2001 DR68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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