+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   379732 (2011 GY54) Classification: Main-belt Asteroid          SPK-ID: 2379732 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0913396585451681 4.5868e-08   a 2.54156141286337 2.5623e-08 au q 2.309416061240855 1.1857e-07 au i 14.17628995207313 5.2664e-06 deg node 112.5168139106476 2.456e-05 deg peri 22.7887346296559 4.4782e-05 deg M 150.5565847225286 4.1364e-05 deg tp 2458381.562789964889 (2018-Sep-20.06278996) 0.00016543 TDB period 1479.957824649689 4.05 2.238e-05 6.127e-08 d yr n .2432501751090193 3.6785e-09 deg/d Q 2.773706764485885 2.7963e-08 au   Orbit Determination Parameters    # obs. used (total)      219      data-arc span      6801 days (18.62 yr)      first obs. used      2002-01-08      last obs. used      2020-08-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59524      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 18:02:12   Additional Information  Earth MOID = 1.32983 au   Jupiter MOID = 2.30246 au   T_jup = 3.397  [ hide covariance matrix ] Orbital Elements at Epoch 2457737.5 (2016-Dec-15.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09170484135003448 4.5634e-08   q 2.306851778198777 1.1818e-07 au tp 2458378.423607470604 (2018-Sep-16.92360747) 0.00016521 TDB node 112.5442694347877 2.4587e-05 deg peri 21.9308877072096 4.4798e-05 deg i 14.17103864701708 5.2645e-06 deg   Orbit Determination Parameters    # obs. used (total)      219      data-arc span      6801 days (18.62 yr)      first obs. used      2002-01-08      last obs. used      2020-08-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59524      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 18:02:12   Additional Information  Jupiter MOID = 2.30246 au   T_jup = 3.397  Orbit Covariance (6×6)   e q tp node peri i e 2.082451518628268E-15 -5.287076588317123E-15 9.383474383411717E-13 -4.093562181023839E-15 2.115508785011329E-13 -3.560779460489123E-15 q -5.287076588317123E-15 1.396581393779517E-14 -5.12216943141854E-13 1.736321562890263E-14 -1.563560423584457E-13 1.068642337167522E-14 tp 9.383474383411717E-13 -5.12216943141854E-13 2.729592647454564E-8 1.430108063788333E-10 6.221483740688308E-9 -7.35940751498043E-12 node -4.093562181023839E-15 1.736321562890263E-14 1.430108063788333E-10 6.045194058227259E-10 -5.523479356270044E-10 5.88173002702043E-13 peri 2.115508785011329E-13 -1.563560423584457E-13 6.221483740688308E-9 -5.523479356270044E-10 2.006819689938744E-9 -2.395212459168857E-12 i -3.560779460489123E-15 1.068642337167522E-14 -7.35940751498043E-12 5.88173002702043E-13 -2.395212459168857E-12 2.771503706115944E-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 16.5   n/a MPO437556   379732 (2011 GY54)          Discovered 2002-Jan-08 by ADAS at Cima Ekar Reference: Last Updated: 2013-11-20 Alternate Designations  2011 GY54 = 2002 AF18  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-19 03:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin