+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   16064 Davidharvey (1999 RH27) Classification: Amor [NEO]          SPK-ID: 2016064 [ 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 88 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5891100152066161 3.8348e-08   a 2.849238177749062 1.4382e-08 au q 1.170723431528041 1.076e-07 au i 4.53922892938706 3.5966e-06 deg node 335.569583938084 5.5983e-05 deg peri 104.7957629971778 5.6079e-05 deg M 75.81081977066262 1.4216e-05 deg tp 2458630.569404677856 (2019-May-27.06940468) 6.677e-05 TDB period 1756.675560544568 4.81 1.3301e-05 3.642e-08 d yr n .2049325487788993 1.5517e-09 deg/d Q 4.527752923970084 2.2855e-08 au   Orbit Determination Parameters    # obs. used (total)      987      data-arc span      9392 days (25.71 yr)      first obs. used      1994-09-01      last obs. used      2020-05-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48189      source      ORB      producer      Otto Matic      solution date      2020-Aug-02 06:25:53   Additional Information  Earth MOID = .20384 au   Jupiter MOID = .860659 au   T_jup = 3.018  [ 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 16.7   n/a MPO337395   diameter diameter 4.106 km 0.592 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)   rotation period rot_per 178.5 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Pravec, P.; et al. (2005) Icarus 173, 108-131.] geometric albedo albedo 0.020   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)   SMASSII spectral type spec_B C   n/a Binzel et al. (2001) Icarus 151, 139-149   16064 Davidharvey           Discovered 1999 Sept. 5 by the Catalina Sky Survey. David Harvey (b. 1958) is a software engineer at the University of Arizona's Steward Observatory. His telescope control systems have seen widespread use at public and private observatories throughout the world. He is an accomplished fine art, portrait, and architectural photographer and astrophotographer. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20111210/MPCPages.arc Last Updated: 2011-12-12 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 16:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin