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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
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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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1917-Nov-07 02:38 00:02 Jupiter 1.95128016770186 1.95127984469193 1.95128049071179 2.07033885572618 1.84881905192096 2421539.609598527 2.46978594031277 99.5212571357239 18.3709313268544 78.782868520245 2459376.00735884 T 21 CATAB v2.0e-lin.ifort 2018-Oct-03 23:04:28 2018-Dec-17 16:33
1965-Mar-15 18:02 00:01 Jupiter 1.95339898345234 1.95339864862734 1.95339931827712 2.10808487385648 1.89124097716942 2438835.251710401 1.25640987843568 69.6018342272889 15.9126527378069 82.8199018204335 2398715.95613983 T 21 CATAB v2.0e-lin.ifort 2018-Oct-03 23:04:28 2018-Dec-17 16:33
2012-Jul-22 05:36 < 00:01 Jupiter 1.95503003935881 1.95502968834667 1.95503039037084 2.15008385801289 1.9381317584053 2456130.733048076 0.189096172471701 51.0245088343962 12.8463184844579 88.8644350924823 2492047.71489645 T 21 CATAB v2.0e-lin.ifort 2018-Oct-03 23:04:28 2018-Dec-17 16:33
2059-Nov-27 19:59 00:01 Jupiter 1.96363181861725 1.96363141601822 1.96363222121617 2.21458263421216 2.01038954657486 2473425.332306349 1.20231936729688 70.1122265031964 11.1312621721969 87.2306293681821 2319540.83390322 T 21 CATAB v2.0e-lin.ifort 2018-Oct-03 23:04:28 2018-Dec-17 16:33
2107-Apr-05 16:04 00:02 Jupiter 1.97882212299518 1.97882151922117 1.97882272677009 2.30431601510386 2.11039918569358 2490720.169248485 2.41212216045555 117.260299044582 9.23771878031397 87.7511164290336 2163217.75498313 T 21 CATAB v2.0e-lin.ifort 2018-Oct-03 23:04:28 2018-Dec-17 16:33
2154-Aug-12 02:47 00:04 Jupiter 1.99474816658855 1.99474722784308 1.99474910533764 2.39935694048439 2.21532416262228 2508015.615880758 3.62471175141227 175.252569170657 8.24531965228399 89.8320649414601 2114526.71981697 T 21 CATAB v2.0e-lin.ifort 2018-Oct-03 23:04:28 2018-Dec-17 16:33

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