+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5692 Shirao (1992 FR) Classification: Main-belt Asteroid          SPK-ID: 2005692 [ 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 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1816766604427653 3.3721e-08   a 2.654879632370729 1.0102e-08 au q 2.172549966884098 8.8746e-08 au i 11.92755163793365 3.7116e-06 deg node 181.754060307964 1.5806e-05 deg peri 44.02372839758429 1.8075e-05 deg M 155.1944755001725 9.4031e-06 deg tp 2458319.355213039733 (2018-Jul-19.85521304) 4.0188e-05 TDB period 1580.031264098854 4.33 9.0185e-06 2.469e-08 d yr n .2278435928325256 1.3005e-09 deg/d Q 3.13720929785736 1.1938e-08 au   Orbit Determination Parameters    # obs. used (total)      2529      data-arc span      25807 days (70.66 yr)      first obs. used      1949-05-29      last obs. used      2020-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .44396      source      ORB      producer      Otto Matic      solution date      2020-Feb-22 17:44:04   Additional Information  Earth MOID = 1.182 au   Jupiter MOID = 1.87714 au   T_jup = 3.334  [ 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 12.5   n/a MPO452247   diameter diameter 9.548 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 2.8878 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] [Pray, D. (2005) Minor Planet Bull. 32, 48-51.] [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Warner, Brian D. (2014) Minor Planet Bull. 41, 235-241.] geometric albedo albedo 0.223   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   5692 Shirao (1992 FR)          Discovered 1992-Mar-23 by Endate and Watanabe at Kitami Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1992 FR = 1949 KK = 1966 FO = 1966 FS = 1970 CH = 1976 SN2 = 1979 HT2 = 1979 HV1 = 1985 UW2 = 1989 SO9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-15 05:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin