+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11861 Teruhime (1988 VY2) Classification: Main-belt Asteroid          SPK-ID: 2011861 [ 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 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1072315140427734 3.6849e-08   a 3.158894551793894 1.9069e-08 au q 2.820161506303567 1.2232e-07 au i 12.44167311645571 4.4551e-06 deg node 63.96384827345602 1.8192e-05 deg peri 274.4194345764035 2.9125e-05 deg M 284.4661473233574 2.5237e-05 deg tp 2459430.769197153089 (2021-Aug-04.26919715) 0.00014526 TDB period 2050.695224540175 5.61 1.8569e-05 5.084e-08 d yr n .1755502210625776 1.5896e-09 deg/d Q 3.497627597284221 2.1114e-08 au   Orbit Determination Parameters    # obs. used (total)      2381      data-arc span      11632 days (31.85 yr)      first obs. used      1988-11-10      last obs. used      2020-09-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41255      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:56:48   Additional Information  Earth MOID = 1.84757 au   Jupiter MOID = 1.92375 au   T_jup = 3.160  [ 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 11.32   n/a E2021B10   diameter diameter 11.677 km 0.455 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.435   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   11861 Teruhime           Discovered 1988 Nov. 10 by T. Kojima at Chiyoda. Teruhime (1552-1627) was a wife and supporter of Kuroda Kanbe, who was instrumental in helping Japan end the Age of Civil Wars. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2014-10-08 Last Updated: 2015-01-12 [ 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 1978-Jun-11 07:43 < 00:01 Jupiter 1.98573799052049 1.98573752470365 1.98573845633756 3.7412687697804 3.6254635550314 2443670.821679077 0.989213478494827 68.8624021910766 14.9276216060124 -75.8967989154144 3242808.11148041 T 35 CATAB v2.0f-lin.ifort 2020-Nov-13 02:56:54 2020-Nov-13 02:56 1989-Mar-02 14:15 < 00:01 Jupiter 1.94099890389162 1.94099849241275 1.94099931537059 4.64187247049292 4.54689018253434 2447588.094020321 0.64008901763642 63.3386883875083 17.2292401095383 -82.6615002283812 3793513.22625727 T 35 CATAB v2.0f-lin.ifort 2020-Nov-13 02:56:54 2020-Nov-13 02:56 2096-May-06 17:14 00:02 Jupiter 1.96064422338547 1.96064376070569 1.96064468606636 4.39215476920064 4.29266803041124 2486735.218395328 2.39975227290805 135.614159443066 16.6360324137782 -83.0362139789669 3693674.32210793 T 35 CATAB v2.0f-lin.ifort 2020-Nov-13 02:56:54 2020-Nov-13 02:56 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-25 05:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin