+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   10884 Tsuboimasaki (1996 VD9) Classification: Main-belt Asteroid          SPK-ID: 2010884 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1212777414189374 3.857e-08   a 2.620438260587314 1.0036e-08 au q 2.302637426815515 1.0344e-07 au i 4.067882738197697 3.0402e-06 deg node 115.3333601946839 5.7839e-05 deg peri 270.2893687504728 5.9046e-05 deg M 221.5395920995209 1.3189e-05 deg tp 2459596.412411111266 (2022-Jan-16.91241111) 5.7832e-05 TDB period 1549.384919870032 4.24 8.9013e-06 2.437e-08 d yr n .2323502671177399 1.3349e-09 deg/d Q 2.938239094359112 1.1254e-08 au   Orbit Determination Parameters    # obs. used (total)      2258      data-arc span      11977 days (32.79 yr)      first obs. used      1987-09-01      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50136      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 17:09:34   Additional Information  Earth MOID = 1.31099 au   Jupiter MOID = 2.50788 au   T_jup = 3.391  [ 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 13.5   n/a MPO384852   diameter diameter 5.200 km 0.389 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.313   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   10884 Tsuboimasaki           Discovered 1996 Nov. 7 by K. Endate and K. Watanabe at Kitami. Masaki Tsuboi (b. 1954) is president of the Hiroshima Astronomical Society and a leader of the amateur astronomy community in western Japan. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020526/MPCPages.arc Last Updated: 2003-10-02 [ show close-approach data ] Alternate Designations  1996 VD9 = 1987 RF2 = 1992 YZ2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-25 18:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin