+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5133 Phillipadams (1990 PA) Classification: Main-belt Asteroid          SPK-ID: 2005133 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2254698416340385 3.9586e-08   a 2.711172219684504 1.2287e-08 au q 2.099884648669634 1.0882e-07 au i 12.01859663966474 4.0128e-06 deg node 87.61749728576122 1.9857e-05 deg peri 279.6798736416521 2.1896e-05 deg M 243.2548409953317 1.2541e-05 deg tp 2459529.274454420687 (2021-Nov-10.77445442) 5.8651e-05 TDB period 1630.549867886475 4.46 1.1084e-05 3.035e-08 d yr n .2207844157913633 1.5009e-09 deg/d Q 3.322459790699374 1.5057e-08 au   Orbit Determination Parameters    # obs. used (total)      2283      data-arc span      24556 days (67.23 yr)      first obs. used      1953-06-14      last obs. used      2020-09-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42344      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 03:45:54   Additional Information  Earth MOID = 1.13913 au   Jupiter MOID = 2.27689 au   T_jup = 3.295  [ 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 12.11   n/a E2021B10   diameter diameter 22.674 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 6.6645 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Carbo, L.; Green, D.; Kragh, K.; Krotz, J.; et al. (2009) Minor Planet Bull. 36, 152-157.] [Montminy, B.; McDonald, K.; Durkee, R.I. (2018) Minor Planet Bull. 45, 331-333.] geometric albedo albedo 0.081   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   SMASSII spectral type spec_B B   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) 5133 Phillipadams (1990 PA)          Discovered 1990-Aug-12 by McNaught, R. H. at Siding Spring Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1990 PA = 1983 EB3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Feb-27 04:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin