+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1036 Ganymed (A924 UB) Classification: Amor [NEO]          SPK-ID: 2001036 [ 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 821 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5330461190565273 2.3723e-08   a 2.664724624249615 2.0836e-09 au q 1.244303504938995 6.3218e-08 au i 26.67764108200171 3.9588e-06 deg node 215.5468279658193 7.0736e-06 deg peri 132.3646326068289 7.4847e-06 deg M 4.817744319840231 2.2971e-06 deg tp 2458979.237311493424 (2020-May-09.73731149) 1.012e-05 TDB period 1588.828164011239 4.35 1.8635e-06 5.102e-09 d yr n .2265820861905702 2.6575e-10 deg/d Q 4.085145743560236 3.1943e-09 au   Orbit Determination Parameters    # obs. used (total)      6424      # delay obs. used      0      # Doppler obs. used      1      data-arc span      35102 days (96.10 yr)      first obs. used      1924-10-23      last obs. used      2020-11-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .38053      source      ORB      producer      Otto Matic      solution date      2020-Dec-01 05:19:27   Additional Information  Earth MOID = .344956 au   Jupiter MOID = 1.9529 au   T_jup = 3.035  [ 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 9.4   n/a MPO473777 IRAS observations used: 2 magnitude slope G 0.30   n/a PDS3 (MPC 17260) Fit diameter diameter 37.675 km 0.399 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)   rotation period rot_per 10.297 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Lupishko, D.F.; Velichko, F.P.; Kazakov, V.V.; Shevchenko, V.G. (1987) Kin. Fiz. Neb. Tel 3(1), 92-93; Kinematics and Physics of Celestial Bodies 3(1), 102-104.] [Lupishko, D.F.; Velichko, F.P.; Shevchenko, V.G. (1988) Astron. Vestn. 22, 167-173; Solar Sys. Res. 22, 107-111.] [Hahn, G.; Magnusson, P.; Harris, A.W.; Young, J.W.; et al. (1989) Icarus 78, 363-381.] [Kaasalainen, M.; Torppa, J.; Piironen, J. (2002) Icarus 159, 369-395.] [Gaftonyuk, N.M.; Krugly, Yu.N. (2004) Astronomical School Report 5, No. 1-2, 122-125 (in Russian).] [Pilcher, F.; Benishek, V.; Briggs, J.W.; Ferrero, A.; et al. (2012) Minor Planet Bull. 39, 141-144.] [Skiff, B.A.; Bowell, E.; Koehn, B.W.; Sanborn, J.J.; McLelland, K.P.; Warner, B.D. (2012) Minor Planet Bull. 39, 111-130.] [Velichko, F.P.; Magnusson, P. (2012) Astronomicheskii Tsirkulyar 1575, 1-2.] [Velichko, F.P.; Psarev, V.A.; Kiselev, N.N.; Zaitsev, S.V.; et al. (2013) LPSC 44, #2372.] [Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2015) Icarus 256, 101-116.] [Warner, B.D. (2015) Minor Planet Bull. 42, 256-266.] [Viikinkoski, M.; Hanus, J.; Kaasalainen, M.; Marchis, F.; Durech, J. (2017) Astron. Astrophys. 607, A117.] [Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.] [Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46-4, submitted. (NEA Gaggle) http://www.planetarysciences.org/lightcurves.html] geometric albedo albedo 0.238   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)   B-V BV 0.842   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=7; phase (min.=.00, mean=12.82, max.=24.42) deg. U-B UB 0.417   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=7; phase (min.=.00, mean=12.82, max.=24.42) deg. Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo 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) 1036 Ganymed (A924 UB)          Discovered 1924-Oct-23 by Baade, W. at Bergedorf Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A924 UB = 1952 BF = 1954 HH  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Dec-02 01:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin