+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   8039 Grandprism (1993 RB16) Classification: Main-belt Asteroid          SPK-ID: 2008039 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1502671955911863 3.711e-08   a 2.415592108839719 8.2796e-09 au q 2.052607856952175 9.0749e-08 au i 2.88648768170075 3.6013e-06 deg node 9.661617914040109 8.3323e-05 deg peri 103.0975983691986 8.4189e-05 deg M 299.2732249158545 1.3511e-05 deg tp 2459231.819128695083 (2021-Jan-17.31912869) 5.1958e-05 TDB period 1371.304275829579 3.75 7.0503e-06 1.93e-08 d yr n .2625237931109167 1.3497e-09 deg/d Q 2.778576360727263 9.5237e-09 au   Orbit Determination Parameters    # obs. used (total)      863      data-arc span      14855 days (40.67 yr)      first obs. used      1980-03-16      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5478      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:33:35   Additional Information  Earth MOID = 1.07141 au   Jupiter MOID = 2.32044 au   T_jup = 3.500  [ 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 MPO431591   diameter diameter 2.508 km 0.781 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.177   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   8039 Grandprism           Discovered 1993 Sept. 15 by H. Debehogne and E. W. Elst at the European Southern Observatory. The Grand Prism Objectiv-40cm astrograph (GPO), used without prism, has served for many years for searching for minor planets at La Silla. From 1978 to 1993, more than 1000 new minor planets were found with this instrument. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030106/MPCPages.arc Last Updated: 2003-10-02 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2041-Jan-01 15:29 < 00:01 Thisb 0.0479237005592847 0.0479219649162613 0.0479254363315241 5.51782406144173 5.51782403565736 2466521.145072579 0.447962142279191 186.691316982166 57.2459983960508 68.5863334730911 117395.251896641 T 23 CATAB v2.0f-lin.ifort 2020-Dec-18 02:33:37 2020-Dec-18 02:33 2049-Dec-24 22:18 00:02 Psych 0.0100839632820268 0.0100799541225417 0.0100879726573129 2.91811279853052 2.91811238736199 2469800.429064862 2.18433686542393 213.350759715551 44.4552609616168 -21.1690917756855 13889.6984305044 T 23 CATAB v2.0f-lin.ifort 2020-Dec-18 02:33:37 2020-Dec-18 02:33 Alternate Designations  1993 RB16 = 1980 FU2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 01:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin