+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   27 Euterpe (A853 VA) Classification: Main-belt Asteroid          SPK-ID: 2000027 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 113 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1730554904621514 2.8399e-08   a 2.346136448118068 2.705e-09 au q 1.940124654397866 6.6346e-08 au i 1.583710566268726 2.9319e-06 deg node 94.78702699066091 9.8298e-05 deg peri 356.3514962048147 9.863e-05 deg M 139.9535081457404 9.4343e-06 deg tp 2458690.218744936104 (2019-Jul-25.71874494) 3.4053e-05 TDB period 1312.587688989586 3.59 2.27e-06 6.215e-09 d yr n .2742673903006996 4.7432e-10 deg/d Q 2.752148241838271 3.1731e-09 au   Orbit Determination Parameters    # obs. used (total)      2936      data-arc span      60912 days (166.77 yr)      first obs. used      1853-11-10      last obs. used      2020-08-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53256      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 19:03:07   Additional Information  Earth MOID = .956467 au   Jupiter MOID = 2.43433 au   T_jup = 3.540  [ 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 7.08   n/a E2021B10   diameter diameter 96 km n/a Dunham occult. list: Dunham 1997; 124x75 km Yeomans E-mail 2001-Apr-04 rotation period rot_per 10.4082 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Stephens, R.D.; Malcolm, G.; Koff, R.A.; Brincat, S.M.; Warner, B. (2001) Minor Planet Bull. 28, 1-2.] [Stephens, R.D. (2001) Minor Planet Bull. 28, 5-6.] [Gandolfi, D.; Cigna, M.; Fulvio, D.; Blanco, C. (2009) Planet. Space Sci. 57, 1-9.] [Stephens, R.D. (2009) Posting on CALL web site. http://www.minorplanet.info/call.html] [Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Pilcher, F. (2011) Minor Planet Bull. 38, 50-52.] [Stephens, R.D.; Warner, B.D.; Megna, R.; Coley, D. (2012) Minor Planet Bull. 39, 2-5.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] [Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.215   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.878   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=7; phase (min.=5.92, mean=16.62, max.=26.21) deg. U-B UB 0.502   0.017 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=14.71, mean=18.41, max.=26.21) 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) 27 Euterpe (A853 VA)          Discovered 1853-Nov-08 by Hind, J. R. at London Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  A853 VA = 1945 KB  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Feb-27 20:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin