+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 61 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1364699832928466 3.7583e-08   a 3.09368581340618 1.1335e-08 au q 2.671490562137322 1.1698e-07 au i 15.1097989506454 3.8795e-06 deg node 342.8396254255472 1.3774e-05 deg peri 41.050805044034 1.9743e-05 deg M 116.2912912812086 1.3986e-05 deg tp 2458358.466886695931 (2018-Aug-27.96688670) 7.6233e-05 TDB period 1987.52561987256 5.44 1.0924e-05 2.991e-08 d yr n .1811297406184294 9.9551e-10 deg/d Q 3.515881064675038 1.2882e-08 au   Orbit Determination Parameters    # obs. used (total)      2541      data-arc span      34606 days (94.75 yr)      first obs. used      1925-09-14      last obs. used      2020-06-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4026      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 15:25:11   Additional Information  Earth MOID = 1.69155 au   Jupiter MOID = 2.0278 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 10.4   n/a MPO279524   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. 2019-August); 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 ] 2020-Sep-22 05:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin