+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2204951891571553 1.6628e-08   a 2.419324875162292 6.2538e-09 au q 1.885875379180772 4.0033e-08 au i 2.661379358189288 3.813e-07 deg node 64.91616329494025 1.3508e-05 deg peri 291.4291432871107 1.4145e-05 deg M 174.3513283199576 3.8154e-06 deg tp 2458730.824653851772 (2019-Sep-04.32465385) 1.3586e-05 TDB period 1374.484077193753 3.76 5.3295e-06 1.459e-08 d yr n .2619164572171707 1.0156e-09 deg/d Q 2.952774371143813 7.6328e-09 au   Orbit Determination Parameters    # obs. used (total)      2573      data-arc span      17002 days (46.55 yr)      first obs. used      1974-11-12      last obs. used      2021-05-31      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4516      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 02:22:31   Additional Information  Earth MOID = .882807 au   Jupiter MOID = 2.49539 au   T_jup = 3.480  [ 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 13.88   n/a MPCxxxxx   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-Jul-29 23:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin