+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   665 Sabine (A908 OE) Classification: Main-belt Asteroid          SPK-ID: 2000665 [ 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 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1729024585776373 3.457e-08   a 3.144806955581903 1.3854e-08 au q 2.601062101209737 1.0943e-07 au i 14.75351547174549 4.559e-06 deg node 298.4001006293038 1.6124e-05 deg peri 318.6546755752778 2.1134e-05 deg M 37.76415356909629 1.4333e-05 deg tp 2458786.818625703813 (2019-Oct-30.31862570) 8.0922e-05 TDB period 2036.992424730998 5.58 1.3461e-05 3.685e-08 d yr n .1767311432429804 1.1679e-09 deg/d Q 3.688551809954069 1.625e-08 au   Orbit Determination Parameters    # obs. used (total)      3014      data-arc span      41935 days (114.81 yr)      first obs. used      1906-01-15      last obs. used      2020-11-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .40512      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:55:13   Additional Information  Earth MOID = 1.60527 au   Jupiter MOID = 1.57058 au   T_jup = 3.136  [ 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 8.7   n/a MPO492757   diameter diameter 51.09 km 2.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 10 rotation period rot_per 4.294 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Hainaut-Rouelle, M.-C.; Hainaut, O.R.; Detal, A. (1995) Astron. Astrophys. Suppl. Ser. 112, 125-142.] [Michalowski, T.; Kaasalainen, M.; Polinska, M.; Marciniak, A.; et al. (2006) Astron. Astrophys. 459, 663-668.] [Ditteon, R.; Hawkins, S. (2007) Minor Planet Bull. 34, 59-64.] [Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Alton, K.B. (2011) Minor Planet Bull. 38, 8-9.] [Behrend, R. (2015) 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] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.3895   0.039 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 10 665 Sabine (A908 OE)          Discovered 1908-Jul-22 by Lorenz, W. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A908 OE = 1973 BD = A906 AA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 12:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin