+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5043 Zadornov (1974 SB5) Classification: Main-belt Asteroid          SPK-ID: 2005043 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1639276720344344 4.3307e-08   a 3.111588261279845 1.4879e-08 au q 2.601512841278567 1.3428e-07 au i 1.865855570363046 3.8891e-06 deg node 50.7993774047208 0.00012334 deg peri 295.3134921070775 0.00012377 deg M 127.5594545495552 1.1473e-05 deg tp 2458290.134655181130 (2018-Jun-20.63465518) 6.3277e-05 TDB period 2004.802584315258 5.49 1.438e-05 3.937e-08 d yr n .1795688028419807 1.288e-09 deg/d Q 3.621663681281124 1.7318e-08 au   Orbit Determination Parameters    # obs. used (total)      2354      data-arc span      16653 days (45.59 yr)      first obs. used      1974-09-19      last obs. used      2020-04-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47013      source      ORB      producer      Otto Matic      solution date      2020-May-20 02:15:44   Additional Information  Earth MOID = 1.59517 au   Jupiter MOID = 1.79502 au   T_jup = 3.197  [ 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 12.8   n/a MPO416766   diameter diameter 15.280 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 25.60 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.] geometric albedo albedo 0.063   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   5043 Zadornov           Discovered 1974 Sept. 19 by L. I. Chernykh at the Crimean Astrophysical Observatory. Named in honor of Mikhail Nikolaevich Zadornov (b. 1948), Russian satirist widely known for his masterful readings of his own short stories. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 19990402/MPCPages.arc Last Updated: 2010-06-11 [ show close-approach data ] Alternate Designations  1974 SB5 = 1985 TK1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-13 21:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin