+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1188 Gothlandia (1930 SB) Classification: Main-belt Asteroid          SPK-ID: 2001188 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1807525094563406 3.2194e-08   a 2.190247356816549 4.6981e-09 au q 1.794354650741841 7.0703e-08 au i 4.816760475738038 3.6507e-06 deg node 5.438546126782871 3.9147e-05 deg peri 7.025225061289863 4.0513e-05 deg M 238.9464288631038 1.2437e-05 deg tp 2459398.619343560930 (2021-Jul-03.11934356) 4.1702e-05 TDB period 1183.963119269359 3.24 3.8094e-06 1.043e-08 d yr n .3040635254096102 9.7832e-10 deg/d Q 2.586140062891257 5.5473e-09 au   Orbit Determination Parameters    # obs. used (total)      3001      data-arc span      32893 days (90.06 yr)      first obs. used      1930-10-18      last obs. used      2020-11-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42519      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:58:59   Additional Information  Earth MOID = .794595 au   Jupiter MOID = 2.87919 au   T_jup = 3.647  [ 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 11.6   n/a MPO358637   diameter diameter 12.670 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 3.4916 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Di Martino, M.; Dotto, E.; Barucci, M.A.; Fulchignoni, M.; Rotundi, A. (1994) Icarus 109, 210-218.] [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.] [Hamanowa, H.; Hamanowa, H. (2009) Minor Planet Bull. 36, 87-88.] [Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.] [Baker, R.E.; Pilcher, F.; Klinglesmith III, D.A. (2012) Minor Planet Bull. 39, 60-63.] [Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.] [Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.] [Groezinger, S.; Montgomery, K. (2020) Minor Planet Bull. 47, 174-176.] geometric albedo albedo 0.273   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   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) 1188 Gothlandia (1930 SB)          Discovered 1930-Sep-30 by Comas Sola, J. at Barcelona Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1930 SB = 2016 FU5 = A917 SK  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-28 07:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin