+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1209540203630331 1.1445e-08   a 2.621833802577726 9.7979e-09 au q 2.304712463432251 3.4004e-08 au i 4.06798403415874 3.4973e-07 deg node 115.3322227983979 6.9042e-06 deg peri 270.0622204734037 1.1006e-05 deg M 268.2165310720341 1.0438e-05 deg tp 2459595.837609066762 (2022-Jan-16.33760907) 4.5828e-05 TDB period 1550.622796527032 4.25 8.6921e-06 2.38e-08 d yr n .2321647797299903 1.3014e-09 deg/d Q 2.938955141723201 1.0983e-08 au   Orbit Determination Parameters    # obs. used (total)      2398      data-arc span      12068 days (33.04 yr)      first obs. used      1987-09-01      last obs. used      2020-09-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50196      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 22:23:53   Additional Information  Earth MOID = 1.31172 au   Jupiter MOID = 2.5088 au   T_jup = 3.390  [ 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 13.56   n/a E2021B10   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 ] 2021-Apr-16 01:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin