+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117781 Jamesfisher (2005 GF115) Classification: Main-belt Asteroid          SPK-ID: 2117781 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05907042542575885 4.6914e-08   a 2.738414039295993 1.9098e-08 au q 2.576654757002908 1.2909e-07 au i 4.546757090737224 5.9658e-06 deg node 215.7248866149953 6.1772e-05 deg peri 22.13577775864885 7.9951e-05 deg M 97.14932543178622 5.2634e-05 deg tp 2458553.832468538195 (2019-Mar-11.33246854) 0.00024051 TDB period 1655.1871113007 4.53 1.7315e-05 4.741e-08 d yr n .2174980686727921 2.2753e-09 deg/d Q 2.900173321589078 2.0226e-08 au   Orbit Determination Parameters    # obs. used (total)      516      data-arc span      9921 days (27.16 yr)      first obs. used      1993-09-16      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57779      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:38:36   Additional Information  Earth MOID = 1.56543 au   Jupiter MOID = 2.08701 au   T_jup = 3.344  [ hide covariance matrix ] Orbital Elements at Epoch 2457300.5 (2015-Oct-05.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05787995499700964 4.6728e-08   q 2.581202447865601 1.2825e-07 au tp 2456903.705622954566 (2014-Sep-03.20562295) 0.00024193 TDB node 215.7873972287059 6.1697e-05 deg peri 23.51597941728396 8.0666e-05 deg i 4.548115103053608 5.9697e-06 deg   Orbit Determination Parameters    # obs. used (total)      516      data-arc span      9921 days (27.16 yr)      first obs. used      1993-09-16      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57779      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:38:36   Additional Information  Jupiter MOID = 2.08701 au   T_jup = 3.344  Orbit Covariance (6×6)   e q tp node peri i e 2.18353060615648E-15 -5.934707666879683E-15 -2.790208699927305E-12 3.086858662426806E-15 -6.591722709342457E-13 5.277679452408874E-18 q -5.934707666879683E-15 1.644826732516003E-14 8.599443235260585E-12 -1.238853359103851E-14 2.023789252915006E-12 3.891587775760825E-16 tp -2.790208699927305E-12 8.599443235260585E-12 5.852797720730494E-8 -4.036131327025056E-12 1.259234165930709E-8 -6.515360848155926E-12 node 3.086858662426806E-15 -1.238853359103851E-14 -4.036131327025056E-12 3.806495659515544E-9 -3.795432516977839E-9 -1.215633436125756E-10 peri -6.591722709342457E-13 2.023789252915006E-12 1.259234165930709E-8 -3.795432516977839E-9 6.507029019937993E-9 1.198195525453508E-10 i 5.277679452408874E-18 3.891587775760825E-16 -6.515360848155926E-12 -1.215633436125756E-10 1.198195525453508E-10 3.563691587684666E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.6   n/a MPO348192   117781 Jamesfisher           Discovered 2005 Apr. 10 by Mt. Lemmon Survey at Mount Lemmon. James Randall Fisher (b. 1942) is an author and Professor of English who earned a PhD at the University of Southern California. 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 2013-10-18 Last Updated: 2013-10-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-18 12:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin