+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   2081 Sazava (1976 DH) Classification: Main-belt Asteroid          SPK-ID: 2002081 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256877 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1610712 n/a   a 2.4534604 n/a AU q 2.0582786 n/a AU i 3.90839 n/a deg node 66.42138 n/a deg peri 223.34750 n/a deg M 129.70860 n/a deg tp 2455894.7530367 (2011-Nov-29.25303670) n/a JED period 1403.6764470 3.84 n/a n/a d yr n 0.25646936 n/a deg/d Q 2.8486422 n/a AU   Orbit Determination Parameters    # obs. used (total)      1308      first obs. used      1950-??-??      last obs. used      2013-03-14      # oppositions      27      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.473  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.14 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 7 diameter diameter 22.67 km 1.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 7 geometric albedo albedo 0.0479   0.008 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 7 B-V BV .598 mag .020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=7.33 deg. U-B UB .223 mag .032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=7.33 deg. Tholen spectral type spec_T F   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo 2081 Sazava (1976 DH)          Discovered 1976-Feb-27 by Wild, P. at Zimmerwald Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1976 DH = 1946 LA = 1950 NH = 1950 NP = 1958 RJ = 1968 DD = 1974 XM  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-25 04:22 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin