+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   762 Pulcova (1913 SQ) Classification: Main-belt Asteroid          SPK-ID: 2000762 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 66 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1025815108374201 5.201e-08   a 3.15706614176969 1.9986e-08 AU q 2.83320952713329 1.7021e-07 AU i 13.08715622368425 5.2182e-06 deg node 305.7652629873544 2.4101e-05 deg peri 189.0881373066006 3.6562e-05 deg M 138.0899201843343 2.6191e-05 deg tp 2455614.570798166264 (2011-Feb-22.07079817) 0.00014899 JED period 2048.915027848951 5.61 1.9456e-05 5.327e-08 d yr n .1757027476039088 1.6684e-09 deg/d Q 3.48092275640609 2.2036e-08 AU   Orbit Determination Parameters    # obs. used (total)      1759      data-arc span      35447 days (97.05 yr)      first obs. used      1916-03-14      last obs. used      2013-04-01      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .48935      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:38:24   Additional Information  Earth MOID = 1.84801 AU   T_jup = 3.158  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 8.28 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 12 diameter diameter 137.08 km 3.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 12 rotation period rot_per 5.839 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Davis, R.G. (2001) Minor Planet Bul. 28, 10-12.] [Oey, J. (2006) Minor Planet Bul. 33, 96-99.] [Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Alton, K.B. (2011) Minor Planet Bul. 38, 8-9.] [Stephens, R.D. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html] geometric albedo albedo 0.0458   0.002 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 12 B-V BV .658 mag .033 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=4; phase (min.=8.59, mean=13.80, max.=16.97) deg. U-B UB .345 mag .034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=8.59, mean=12.74, max.=15.48) deg. Tholen spectral type spec_T F   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices 762 Pulcova (1913 SQ)          Discovered 1913-Sep-03 by Neujmin, G. at Simeis (094) Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1913 SQ = 1952 QM1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-Jun-19 22:38 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin