+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   1724 Vladimir (1932 DC) Classification: Main-belt Asteroid          SPK-ID: 2001724 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05589358203460289 5.2501e-08   a 2.71189401772407 1.4143e-08 AU q 2.56031654697526 1.4074e-07 AU i 12.23676068646178 6.4458e-06 deg node 164.0702386623725 2.6068e-05 deg peri 297.3821636173859 6.6206e-05 deg M 127.8055452340068 5.9015e-05 deg tp 2455821.398495638317 (2011-Sep-16.89849564) 0.00026753 JED period 1631.201065560135 4.47 1.2761e-05 3.494e-08 d yr n .2206962756466691 1.7265e-09 deg/d Q 2.863471488472879 1.4934e-08 AU   Orbit Determination Parameters    # obs. used (total)      1253      data-arc span      29635 days (81.14 yr)      first obs. used      1932-02-28      last obs. used      2013-04-18      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .57371      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:46:57   Additional Information  Earth MOID = 1.60019 AU   T_jup = 3.328  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.30 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15 diameter diameter 34.79 km 1.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15 rotation period rot_per 12.57 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Benishek, V. (2011) http://beoastrophot.freehostia.com] geometric albedo albedo 0.0441   0.003 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15 B-V BV .693 mag .046 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=20.72 deg. U-B UB .259 mag .082 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=20.72 deg. Tholen spectral type spec_T FBCU::   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices SMASSII spectral type spec_B B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 1724 Vladimir           Discovered 1932 Feb. 28 by E. Delporte at Uccle. Named by M. B. Protitch, whose rediscovery of this object in 1952 made the permanent numbering possible, in honor of his grandson. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC 5281 Last Updated: 2007-10-23 Alternate Designations  1932 DC = 1932 ED1 = 1934 TB = 1952 UV1 = 1961 VK = 1965 SE  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 10:42 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin