+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   749 Malzovia (A913 GD) Classification: Main-belt Asteroid          SPK-ID: 2000749 [ 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 43 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1728115931564013 3.2046e-08   a 2.243379912856704 5.6078e-09 au q 1.855697856060868 7.3313e-08 au i 5.394573402908115 3.3725e-06 deg node 109.7568630934527 3.6627e-05 deg peri 129.0148952158939 3.805e-05 deg M 347.7610353797144 1.148e-05 deg tp 2459242.224855930511 (2021-Jan-27.72485593) 3.9189e-05 TDB period 1227.305462595051 3.36 4.6019e-06 1.26e-08 d yr n .2933255093958479 1.0998e-09 deg/d Q 2.63106196965254 6.5769e-09 au   Orbit Determination Parameters    # obs. used (total)      3906      data-arc span      39127 days (107.12 yr)      first obs. used      1913-04-30      last obs. used      2020-06-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .39078      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 19:03:54   Additional Information  Earth MOID = .847432 au   Jupiter MOID = 2.38453 au   T_jup = 3.607  [ 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 11.66   n/a E2021B10   diameter diameter 11.065 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 5.9274 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pilcher, F. (2014) Minor Planet Bull. 41, 250-252.] [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.] [Oey, J. (2016) Minor Planet Bull. 43, 45-51.] [Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2018) Icarus 309, 297-337.] [Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Colazo, M.; Fornari, C.; Santucho, M.; Mottino, A.; et al. (2020) Minor Planet Bull. 47, 188-191.] geometric albedo albedo 0.270   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.857   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.48 deg. U-B UB 0.504   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.48 deg. Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices SMASSII spectral type spec_B S   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) 749 Malzovia (A913 GD)          Discovered 1913-Apr-05 by Belyavskij, S. and Neujmin, G. at Simeis Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A913 GD = 1950 JO = 1968 XA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-01 20:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin