+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   719 Albert (A911 TB) Classification: Amor [NEO]          SPK-ID: 2000719 [ 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 214 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5465584653041263 2.1784e-08   a 2.63860206439375 2.5313e-09 au q 1.196451769530403 5.8116e-08 au i 11.56748478123323 2.9108e-06 deg node 183.8669499802364 1.6575e-05 deg peri 156.17633771 1.6827e-05 deg M 140.2734217745985 2.5213e-06 deg tp 2458390.496728663387 (2018-Sep-28.99672866) 1.0306e-05 TDB period 1565.522355575327 4.29 2.2528e-06 6.168e-09 d yr n .2299551959241748 3.309e-10 deg/d Q 4.080752359257098 3.9148e-09 au   Orbit Determination Parameters    # obs. used (total)      1874      data-arc span      39593 days (108.40 yr)      first obs. used      1911-10-04      last obs. used      2020-02-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .39148      source      ORB      producer      Otto Matic      solution date      2020-Feb-27 10:10:25   Additional Information  Earth MOID = .203482 au   Jupiter MOID = 1.41794 au   T_jup = 3.140  [ 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 15.5   n/a MPO452167   rotation period rot_per 5.801 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Pravec, P.; Wolf, M.; Sarounova, L. (2001) http://www.asu.cas.cz/~ppravec/neo.htm] [Krugly, Yu.N.; Belskaya, I.N.; Chiorny, V.G.; Shevchenko, V.G.; Gaflonyuk, N.M. (2002) Proc. ACM 2002, ESA SP 500, 903-906.] [Warner, B.D. (2018) Minor Planet Bull. 45, 366-379.] [Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 27-40.] SMASSII spectral type spec_B S   n/a Binzel et al. (2004) Icarus 170, 259-294   719 Albert (A911 TB)          Discovered 1911-Oct-03 by Palisa, J. at Vienna Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A911 TB = 2000 JW8  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-25 18:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin