+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1452 Hunnia (1938 DZ1) Classification: Main-belt Asteroid          SPK-ID: 2001452 [ 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 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2021455781379247 3.7754e-08   a 3.111421593394891 1.4337e-08 au q 2.482461476567257 1.2056e-07 au i 14.2070983446181 4.8492e-06 deg node 21.34530125634082 1.6186e-05 deg peri 94.28703950154203 2.1049e-05 deg M 14.58958458697789 1.1248e-05 deg tp 2458919.258647573148 (2020-Mar-10.75864757) 6.2644e-05 TDB period 2004.641509791255 5.49 1.3856e-05 3.794e-08 d yr n .1795832313367028 1.2413e-09 deg/d Q 3.740381710222524 1.7235e-08 au   Orbit Determination Parameters    # obs. used (total)      2077      data-arc span      30063 days (82.31 yr)      first obs. used      1938-02-26      last obs. used      2020-06-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41289      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 15:31:41   Additional Information  Earth MOID = 1.5474 au   Jupiter MOID = 1.60967 au   T_jup = 3.141  [ 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 12.2   n/a MPO502167   diameter diameter 20.910 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 17.2 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Sarneczky, K.; Szabo, G.; Kiss, L.L. (1999) Astron. Astrophys. Suppl. Ser. 137, 363-368.] geometric albedo albedo 0.046   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   1452 Hunnia           Discovered 1938 Feb. 26 by G. Kulin at Budapest. Named in honor of the Hungarian nation. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC 5182 Last Updated: 2006-03-21 [ 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 1901-Sep-01 04:21 00:03 Jupiter 1.82526069482699 1.82525952784299 1.82526186181101 0.862738221540933 n/a 2415628.680984796 3.48379413432451 59.9323072532814 36.1323207091759 -17.4449959245933 4900104.13471267 F 36 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:48 2020-Jun-23 15:31 1963-Sep-29 08:39 00:01 Jupiter 1.85084622467804 1.8508453509179 1.85084709844681 4.6882422134752 4.58958970954554 2438301.860567640 1.12600147254202 263.173832215199 23.80901753006 -82.6581847994259 2505538.58038481 T 36 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:48 2020-Jun-23 15:31 1973-Dec-03 11:21 00:01 Jupiter 1.66765274980452 1.66765205222242 1.6676534473904 2.43394178095028 2.2154562932772 2442019.972995832 1.10286285177758 519.61795569402 34.3962869440249 -85.1452216068579 1596961.97961297 T 36 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:48 2020-Jun-23 15:31 2045-Dec-04 22:45 < 00:01 Jupiter 1.62547451390683 1.62547392117507 1.62547510664478 3.68658791250029 3.54242085490746 2468319.447853102 0.703982595970666 288.179294020326 17.520287648666 -86.2933455658704 2042823.87971977 T 36 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:48 2020-Jun-23 15:31 2055-Oct-22 08:47 00:01 Jupiter 1.87261877022079 1.87261790467882 1.87261963576723 0.973719929274219 0.208544802484347 2471927.866072231 1.40542252902316 32360.0655340042 1826.65417756176 2.81025233727921 1033572.42988208 T 36 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:48 2020-Jun-23 15:31 2117-Nov-13 15:10 00:02 Jupiter 1.78742425277924 1.78742263247989 1.78742587313672 4.48683491434231 4.37994633370232 2494595.132275267 2.18069922424711 556.635167546659 24.0578881872557 -82.5465723596975 2197816.64986886 T 36 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:48 2020-Jun-23 15:31 2128-Jan-24 02:13 00:03 Jupiter 1.66367810909175 1.66367689700542 1.66367932124335 2.51224638443236 2.30068011959547 2498318.592248638 2.90794553197671 784.200341367343 55.0237952678943 -82.1661913758063 1635737.33566792 T 36 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:48 2020-Jun-23 15:31 2200-Jan-21 01:18 00:04 Jupiter 1.57441559514496 1.57441485562712 1.57441633469188 3.64637114889865 3.49571726031568 2524613.554199940 3.92831561678968 453.032082949267 20.3041201116433 -87.9162204514252 1543295.50547184 T 36 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:48 2020-Jun-23 15:31 Alternate Designations  1938 DZ1 = 1953 YA = 1953 YM  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-19 07:14 UT (server date/time)   Site Manager:   Ryan S. 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