+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1049 Gotho (1925 RB) Classification: Main-belt Asteroid          SPK-ID: 2001049 [ 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 65 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1366925510394015 3.7543e-08   a 3.093064542739772 1.1309e-08 au q 2.670265659863153 1.1686e-07 au i 15.11157761392488 3.8722e-06 deg node 342.8399960167915 1.36e-05 deg peri 41.01131195039114 1.9432e-05 deg M 152.5529533908186 1.3894e-05 deg tp 2458358.523404126879 (2018-Aug-28.02340413) 7.5307e-05 TDB period 1986.926950786692 5.44 1.0897e-05 2.983e-08 d yr n .1811843157381623 9.9367e-10 deg/d Q 3.515863425616391 1.2855e-08 au   Orbit Determination Parameters    # obs. used (total)      2688      data-arc span      34825 days (95.35 yr)      first obs. used      1925-09-14      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .39793      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:52:03   Additional Information  Earth MOID = 1.6889 au   Jupiter MOID = 2.02866 au   T_jup = 3.157  [ 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 10.49   n/a E2021B10   diameter diameter 56.296 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 8.470 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Albers, K.; Kragh, K.; Monnier, A.; Pligge, Z.; et al. (2010) Minor Planet Bull. 37, 152-158.] [Ditteon, R.; Trent, L. (2018) Minor Planet Bull. 45, 328-329.] geometric albedo albedo 0.008   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1049 Gotho (1925 RB)          Discovered 1925-Sep-14 by Reinmuth, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1925 RB = A906 DD  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-12 13:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin