+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2020571974087456 3.6604e-08   a 3.110811401729773 1.4164e-08 au q 2.482249568229084 1.1659e-07 au i 14.20839044330067 4.8472e-06 deg node 21.34079396493754 1.5995e-05 deg peri 94.24336257736658 2.0839e-05 deg M 50.55250235383559 1.1238e-05 deg tp 2458919.083791664155 (2020-Mar-10.58379166) 6.2556e-05 TDB period 2004.051832920142 5.49 1.3687e-05 3.747e-08 d yr n .1796360723242558 1.2269e-09 deg/d Q 3.739373235230463 1.7026e-08 au   Orbit Determination Parameters    # obs. used (total)      2186      data-arc span      30284 days (82.91 yr)      first obs. used      1938-02-26      last obs. used      2021-01-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .40879      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:55:32   Additional Information  Earth MOID = 1.54712 au   Jupiter MOID = 1.61014 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 12.27   n/a E2021B10   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. 2020-October); 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 1.82526066779194 1.82525951506262 1.82526182052129 0.862738026340747 n/a 2415628.681035989 3.45039719918949 59.4216370050313 35.6500214965291 -18.4668482639556 4986895.00386265 F 39 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:38 2021-Feb-24 00:55 1963-Sep-29 08:39 00:01 Jupiter 1.85084623949751 1.85084536857967 1.85084711042397 4.68824222834999 4.58958972553846 2438301.860584855 1.11483979702043 262.687068403075 23.7169502750955 -82.6693303655836 2507688.27849133 T 39 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:38 2021-Feb-24 00:55 1973-Dec-03 11:21 00:01 Jupiter 1.66765274373276 1.66765205801324 1.66765342945513 2.43394190159769 2.215456424988 2442019.973021078 1.09389940053567 509.475481217928 34.2638796931811 -85.1614962908456 1615008.87121212 T 39 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:38 2021-Feb-24 00:55 2045-Dec-04 22:45 < 00:01 Jupiter 1.62547450773319 1.62547392598583 1.62547508948628 3.68658790068612 3.5424208420538 2468319.447847964 0.693236473570947 284.23989866726 17.4141167147771 -86.3468781711539 2065986.11588609 T 39 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:38 2021-Feb-24 00:55 2055-Oct-22 08:47 00:01 Jupiter 1.872618781125 1.87261791737941 1.87261964487432 0.973719984329543 0.208545072173535 2471927.866040385 1.38139505890219 32252.522133726 1786.48988743657 2.75660121115407 1036499.17834172 T 39 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:38 2021-Feb-24 00:55 2117-Nov-13 15:10 00:02 Jupiter 1.78742421222986 1.78742261712053 1.78742580739537 4.48683488610395 4.37994630232038 2494595.132248766 2.15271537975129 548.296091202492 24.0218736857941 -82.5604925088804 2204593.1749073 T 39 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:38 2021-Feb-24 00:55 2128-Jan-24 02:13 00:03 Jupiter 1.66367813497315 1.66367692728095 1.66367934273023 2.51224592365592 2.30067961988949 2498318.592187944 2.87116414271282 782.94202619071 53.9489615700175 -82.203378601628 1684011.85489878 T 39 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:38 2021-Feb-24 00:55 2200-Jan-21 01:18 00:04 Jupiter 1.5744155821759 1.57441486048354 1.57441630389565 3.64637086992669 3.49571696805321 2524613.554131771 3.87880306026262 444.561208950845 20.1547143156794 -87.968942786101 1546147.6648569 T 39 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:38 2021-Feb-24 00:55 Alternate Designations  1938 DZ1 = 1953 YA = 1953 YM  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-09 05:49 UT (server date/time)   Site Manager:   Ryan S. 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