+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1959 Karbyshev (1972 NB) Classification: Main-belt Asteroid          SPK-ID: 2001959 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1335936349633782 4.1605e-08   a 2.315593040400627 6.2059e-09 au q 2.006244549037607 9.6234e-08 au i 6.20139793694783 3.4939e-06 deg node 285.012162978154 3.4508e-05 deg peri 32.15448660029899 3.656e-05 deg M 257.3953253281167 1.3458e-05 deg tp 2459567.322889234837 (2021-Dec-18.82288923) 4.8453e-05 TDB period 1287.039216749532 3.52 5.174e-06 1.417e-08 d yr n .2797117564989155 1.1245e-09 deg/d Q 2.624941531763648 7.035e-09 au   Orbit Determination Parameters    # obs. used (total)      2773      data-arc span      32969 days (90.26 yr)      first obs. used      1930-10-15      last obs. used      2021-01-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42864      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:59:26   Additional Information  Earth MOID = .993547 au   Jupiter MOID = 2.63223 au   T_jup = 3.562  [ 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 12.90   n/a E2021B10   diameter diameter 6.897 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 7.7234 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm] [Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] geometric albedo albedo 0.257   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1959 Karbyshev (1972 NB)          Discovered 1972-Jul-14 by Zhuravleva, L. at Nauchnyj Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1972 NB = 1971 DN1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-06 11:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin