+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   593 Titania (A906 FK) Classification: Main-belt Asteroid          SPK-ID: 2000593 [ 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 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2168384596788479 1.4029e-08   a 2.698544024818516 8.0223e-09 au q 2.11339589510131 3.9788e-08 au i 16.90200449733693 2.0943e-07 deg node 75.9481295738557 1.752e-06 deg peri 31.01698224619255 1.891e-06 deg M 317.8033824611384 2.8846e-06 deg tp 2459190.287597047359 (2020-Dec-06.78759705) 1.3477e-05 TDB period 1619.170893831135 4.43 7.2202e-06 1.977e-08 d yr n .2223360124441224 9.9144e-10 deg/d Q 3.283692154535721 9.7618e-09 au   Orbit Determination Parameters    # obs. used (total)      2212      data-arc span      41880 days (114.66 yr)      first obs. used      1906-03-20      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .33127      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:54:44   Additional Information  Earth MOID = 1.14575 au   Jupiter MOID = 1.98967 au   T_jup = 3.274  [ 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 MPO502158 IRAS observations used: 13 magnitude slope G 0.06   n/a PDS3 (MPC 17259) Fit diameter diameter 70.145 km 0.767 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 9.8968 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Zappala, V.; Scaltriti, F.; Di Martino, M. (1983) Icarus 56, 325-344.] [Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.] [Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Mas, V.; Fornas, G.; Lozano, J.; Rodrigo, O.; et al. (2018) Minor Planet Bull. 45, 76-82.] geometric albedo albedo 0.070   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   B-V BV 0.657   0.038 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=8.84, mean=11.46, max.=14.79) deg. U-B UB 0.314   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=8.84, mean=11.46, max.=14.79) deg. Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices 593 Titania (A906 FK)          Discovered 1906-Mar-20 by Kopff, A. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A906 FK = 1930 SD1 = 1932 BR  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 19:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin