Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1780779981915704 3.4267e-08  
a 2.645554736022607 1.3539e-08 au
q 2.174439644525473 9.0098e-08 au
i 2.336026170782433 5.1658e-06 deg
node 183.8356695800716 9.2715e-05 deg
peri 79.95774266092478 9.4068e-05 deg
M 131.8593200366426 1.8822e-05 deg
tp 2458624.819014509122
(2019-May-21.31901451)
7.9734e-05 TDB
period 1571.714117129713
4.30
1.2065e-05
3.303e-08
d
yr
n .2290492883384144 1.7583e-09 deg/d
Q 3.116669827519742 1.595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      9603 days (26.29 yr)  
   first obs. used      1994-10-29  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5449  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:24:44  

Additional Information
 Earth MOID = 1.15854 au 
 Jupiter MOID = 1.96287 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 15.85   n/a MPCxxxxx  
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

[ hide close-approach data ]
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 1.95128027806694 1.95127996056748 1.9512805955664 2.07033926449679 1.8488195242461 2421539.609770262 2.15770839356141 84.35565393351 16.9178187473703 78.8882767799296 2584034.8906053 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 09:24:45 2021-Apr-13 09:24
1965-Mar-15 18:02 00:01 Jupiter 1.95339908409875 1.95339876134399 1.9533994068534 2.10808539665677 1.89124157299207 2438835.251710491 1.11943823812944 57.3161512452771 14.8539398907962 82.5426859597286 2525787.62725858 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 09:24:45 2021-Apr-13 09:24
2012-Jul-22 05:36 < 00:01 Jupiter 1.95503012782222 1.95502979097044 1.9550304646739 2.15008441374046 1.93813238625661 2456130.733004544 0.157785288920715 38.1287648605117 12.4849530217583 88.9117053924601 2573456.51779926 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 09:24:45 2021-Apr-13 09:24
2059-Nov-27 19:59 < 00:01 Jupiter 1.9636319105478 1.9636315384008 1.9636322826947 2.2145831187807 2.0103900915909 2473425.332323612 0.972981294833417 53.6993911941202 10.833381918104 86.4382651140143 2449636.75855598 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 09:24:45 2021-Apr-13 09:24
2107-Apr-05 16:04 00:02 Jupiter 1.97882222929091 1.97882170960603 1.97882274897625 2.30431663129527 2.11039987052013 2490720.169196865 2.00546981767978 94.8393303557051 8.85096220472563 87.2386535539341 2370416.89464833 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 09:24:45 2021-Apr-13 09:24
2154-Aug-12 02:47 00:03 Jupiter 1.99474832646589 1.99474754188254 1.99474911105152 2.39935793177602 2.21532525268467 2508015.615709499 3.0394709394832 144.750728179053 7.77314233405272 89.5165198802026 2365904.92790123 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 09:24:45 2021-Apr-13 09:24

Alternate Designations
 1997 GB4 = 2001 DR68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-13 03:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin