+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14149 Yakowitz (1998 SF61) Classification: Main-belt Asteroid          SPK-ID: 2014149 [ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07450574747608107 3.2789e-08   a 2.334250508885154 7.4746e-09 au q 2.160335429924243 7.7206e-08 au i 6.362557228070316 4.9653e-06 deg node 319.3525122617658 3.032e-05 deg peri 118.5324395040506 4.7664e-05 deg M 23.90945532339824 3.493e-05 deg tp 2459113.985918369764 (2020-Sep-21.48591837) 0.00012641 TDB period 1302.62563348341 3.57 6.2568e-06 1.713e-08 d yr n .2763648977467976 1.3274e-09 deg/d Q 2.508165587846066 8.0315e-09 au   Orbit Determination Parameters    # obs. used (total)      1898      data-arc span      17286 days (47.33 yr)      first obs. used      1973-09-24      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48989      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:16:21   Additional Information  Earth MOID = 1.18403 au   Jupiter MOID = 2.63858 au   T_jup = 3.557  [ hide covariance matrix ] Orbital Elements at Epoch 2457118.5 (2015-Apr-06.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07428376133673459 3.244e-08   q 2.160496032377324 7.626e-08 au tp 2456505.788092538679 (2013-Aug-01.28809254) 0.00012856 TDB node 319.4580924805156 3.0336e-05 deg peri 117.6018755238721 4.7897e-05 deg i 6.360990445514725 4.9644e-06 deg   Orbit Determination Parameters    # obs. used (total)      1898      data-arc span      17286 days (47.33 yr)      first obs. used      1973-09-24      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48989      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:16:21   Additional Information  Jupiter MOID = 2.63858 au   T_jup = 3.557  Orbit Covariance (6×6)   e q tp node peri i e 1.052336952784545E-15 -2.46370628576229E-15 1.398682369577463E-12 -9.036772211405751E-15 4.101555045480708E-13 -2.099862911144257E-15 q -2.46370628576229E-15 5.815628211765612E-15 -3.379828020366622E-12 2.074684315319775E-14 -9.848693731522541E-13 4.929261190905036E-15 tp 1.398682369577463E-12 -3.379828020366622E-12 1.652805170868637E-8 -3.895438785281378E-11 4.771612639359999E-9 -3.285992941517144E-12 node -9.036772211405751E-15 2.074684315319775E-14 -3.895438785281378E-11 9.20275670058747E-10 -9.251911824557673E-10 1.185013625126466E-11 peri 4.101555045480708E-13 -9.848693731522541E-13 4.771612639359999E-9 -9.251911824557673E-10 2.294079578291276E-9 -1.272968948874625E-11 i -2.099862911144257E-15 4.929261190905036E-15 -3.285992941517144E-12 1.185013625126466E-11 -1.272968948874625E-11 2.464564299412045E-11 [ 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 14.3   n/a MPO502276   diameter diameter 3.779 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.311   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14149 Yakowitz           Discovered 1998 Sept. 17 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station. Sidney Yakowitz (1937-1999), a professor in the systems and industrial engineering department of the University of Arizona from 1966 to 1999, wrote books on adaptive control, simulation and numerical methods. The name was suggested by former and current Hawthorne House planetary science residents. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030318/MPCPages.arc Last Updated: 2003-10-02 [ show close-approach data ] Alternate Designations  1998 SF61 = 1984 YW = 1987 QB9 = 1989 CC5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-04 03:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin