+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   4306 Dunaevskij (1976 SZ5) Classification: Main-belt Asteroid          SPK-ID: 2004306 [ 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 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1654835407333336 2.6609e-08   a 3.132073392162335 1.2626e-08 au q 2.613766797390649 8.4559e-08 au i 1.798387438744735 3.123e-06 deg node 153.0987295168112 9.5166e-05 deg peri 173.8743999493877 9.5693e-05 deg M .3215878817178819 9.1227e-06 deg tp 2458998.691395961505 (2020-May-29.19139596) 5.1307e-05 TDB period 2024.633050164137 5.54 1.2242e-05 3.352e-08 d yr n .1778099986912763 1.0752e-09 deg/d Q 3.650379986934021 1.4715e-08 au   Orbit Determination Parameters    # obs. used (total)      2670      data-arc span      30329 days (83.04 yr)      first obs. used      1937-10-28      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4815      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:16:54   Additional Information  Earth MOID = 1.60221 au   Jupiter MOID = 1.69579 au   T_jup = 3.191  [ 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 12.7   n/a MPO435739   diameter diameter 9.438 km 2.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   geometric albedo albedo 0.165   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   4306 Dunaevskij (1976 SZ5)          Discovered 1976-Sep-24 by Chernykh, N. S. at Nauchnyj Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1976 SZ5 = 1937 UF = 1970 QS = 1976 UD10  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-18 18:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin