+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312426 (2008 GL91) Classification: Main-belt Asteroid          SPK-ID: 2312426 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09931405971422684 6.1032e-08   a 3.082923330053304 4.4459e-08 au q 2.776745698358007 1.932e-07 au i 9.918765862676155 7.8067e-06 deg node 195.1498553126648 3.4022e-05 deg peri 122.4535783778091 5.2825e-05 deg M 346.0249817809387 3.9903e-05 deg tp 2459077.252476134585 (2020-Aug-15.75247613) 0.00021972 TDB period 1977.163176128345 5.41 4.2769e-05 1.171e-07 d yr n .1820790536393396 3.9387e-09 deg/d Q 3.389100961748601 4.8875e-08 au   Orbit Determination Parameters    # obs. used (total)      156      data-arc span      7140 days (19.55 yr)      first obs. used      1999-11-09      last obs. used      2019-05-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .65401      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 18:46:12   Additional Information  Earth MOID = 1.7802 au   Jupiter MOID = 1.95336 au   T_jup = 3.197  [ hide covariance matrix ] Orbital Elements at Epoch 2457080.5 (2015-Feb-27.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09955581666463728 6.1557e-08   q 2.773936762352876 1.9475e-07 au tp 2457111.544836157392 (2015-Mar-30.04483616) 0.00020884 TDB node 195.2795394536686 3.3976e-05 deg peri 124.0131979609552 5.2587e-05 deg i 9.927440324443028 7.8138e-06 deg   Orbit Determination Parameters    # obs. used (total)      156      data-arc span      7140 days (19.55 yr)      first obs. used      1999-11-09      last obs. used      2019-05-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .65401      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 18:46:12   Additional Information  Jupiter MOID = 1.95336 au   T_jup = 3.197  Orbit Covariance (6×6)   e q tp node peri i e 3.789310647119974E-15 -1.174535347315984E-14 4.316432432398588E-12 1.057816358628386E-14 9.232311443005224E-13 2.931947721179383E-15 q -1.174535347315984E-14 3.79269817634339E-14 -1.221459887183065E-11 -3.774778087355332E-14 -2.645707533394247E-12 -5.507527233574134E-15 tp 4.316432432398588E-12 -1.221459887183065E-11 4.361491054420714E-8 -5.225901277241439E-11 8.410490641200341E-9 3.987826093105212E-11 node 1.057816358628386E-14 -3.774778087355332E-14 -5.225901277241439E-11 1.154365677817717E-9 -1.145949342215487E-9 1.279039678353964E-11 peri 9.232311443005224E-13 -2.645707533394247E-12 8.410490641200341E-9 -1.145949342215487E-9 2.765353020404375E-9 -5.025121843690508E-12 i 2.931947721179383E-15 -5.507527233574134E-15 3.987826093105212E-11 1.279039678353964E-11 -5.025121843690508E-12 6.105565106364099E-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 16.1   n/a MPO437379   312426 (2008 GL91)          Discovered 2008-Apr-06 by Mt. Lemmon Survey at Mount Lemmon Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 [ show close-approach data ] Alternate Designations  2008 GL91 = 1999 VC127 = 2004 TT18  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-27 14:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin