+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   10516 Sakurajima (1989 VQ) Classification: Main-belt Asteroid          SPK-ID: 2010516 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2203595992213176 3.3603e-08   a 2.419511911761487 6.4565e-09 au q 1.886349236574522 8.1095e-08 au i 2.661375986686998 2.9594e-06 deg node 64.92238299085672 8.0987e-05 deg peri 291.4114633823309 8.1267e-05 deg M 123.0433584961291 6.2489e-06 deg tp 2458730.664584940136 (2019-Sep-04.16458494) 2.3697e-05 TDB period 1374.643471121378 3.76 5.5024e-06 1.506e-08 d yr n .2618860872385527 1.0483e-09 deg/d Q 2.952674586948452 7.8792e-09 au   Orbit Determination Parameters    # obs. used (total)      2347      data-arc span      16869 days (46.18 yr)      first obs. used      1974-11-12      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46119      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 01:55:17   Additional Information  Earth MOID = .88243 au   Jupiter MOID = 2.49509 au   T_jup = 3.479  [ 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 13.87   n/a E2021B10   diameter diameter 3.990 km 0.771 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.306   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   10516 Sakurajima           Discovered 1989 Nov. 1 by M. Mukai and M. Takeishi at JCPM Kagoshima Station. Mt. Sakurajima is a volcano located on the southern tip of Kyushu, Kagoshima prefecture, on the southwestern-most island of Japan. It is 1117 meters high and is extremely active at present. It is said that Mt. Sakurajima changes color seven times a day. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030614/MPCPages.arc Last Updated: 2005-04-26 Alternate Designations  1989 VQ = 1974 VE  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-08 16:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin