+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   762 Pulcova (A913 RD) Classification: Main-belt Asteroid          SPK-ID: 2000762 [ 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 111 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1063690105084402 2.425e-08   a 3.152274744717105 1.0652e-08 au q 2.8169703992708 8.0403e-08 au i 13.10061005751531 3.1114e-07 deg node 305.5428379332649 1.7815e-06 deg peri 188.9972592817822 5.5498e-06 deg M 270.7726969564623 5.1295e-06 deg tp 2459707.175361749046 (2022-May-07.67536175) 2.9856e-05 TDB period 2044.252420592097 5.60 1.0361e-05 2.837e-08 d yr n .1761034969916923 8.926e-10 deg/d Q 3.487579090163409 1.1785e-08 au   Orbit Determination Parameters    # obs. used (total)      3767      data-arc span      38343 days (104.98 yr)      first obs. used      1916-03-14      last obs. used      2021-03-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .35703      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 11:24:20   Additional Information  Earth MOID = 1.83209 au   Jupiter MOID = 1.58854 au   T_jup = 3.158  [ 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 8.03   n/a E2021B10 IRAS observations used: 12 diameter diameter 147.343 km 0.818 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 5.839 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Davis, R.G. (2001) Minor Planet Bull. 28, 10-12.] [Oey, J. (2006) Minor Planet Bull. 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 Bull. 38, 8-9.] [Stephens, R.D. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html] [Gorshanov, D.L.; Arkharov, A.A.; Larionov, V.M. (2014) Solar System Research 48, 202-211.] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] [Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.040   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.658   0.033 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=8.59, mean=13.80, max.=16.97) deg. U-B UB 0.345   0.034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #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 (A913 RD)          Discovered 1913-Sep-03 by Neujmin, G. at Simeis Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A913 RD = 1952 QM1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 02:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin