+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1047 Geisha (A924 WM) Classification: Main-belt Asteroid          SPK-ID: 2001047 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1928711240866007 7.3258e-09   a 2.241347624650202 4.1383e-09 au q 1.809056388815086 1.6138e-08 au i 5.665466965133217 6.9531e-07 deg node 78.21388146307072 6.3426e-06 deg peri 300.1682957240794 8.0923e-06 deg M 307.4031835254036 5.7061e-06 deg tp 2459575.568507283946 (2021-Dec-27.06850728) 1.9653e-05 TDB period 1225.638107837876 3.36 3.3944e-06 9.293e-09 d yr n .2937245486231405 8.1347e-10 deg/d Q 2.673638860485319 4.9364e-09 au   Orbit Determination Parameters    # obs. used (total)      3303      data-arc span      35284 days (96.60 yr)      first obs. used      1924-11-17      last obs. used      2021-06-25      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .40147      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 11:53:39   Additional Information  Earth MOID = .81876 au   Jupiter MOID = 2.79746 au   T_jup = 3.603  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.00   n/a MPO614063   diameter diameter 10.729 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 25.62 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.277   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.913   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.88 deg. U-B UB 0.541   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.88 deg. Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices 1047 Geisha (A924 WM)          Discovered 1924-Nov-17 by Reinmuth, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  A924 WM = 1932 BP = 1941 YG = 1947 NC = 1950 JF = 1974 HU2 = A916 HB  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jul-28 05:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin