+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   109532 (2001 QM249) Classification: Main-belt Asteroid          SPK-ID: 2109532 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2609119414293305 3.3103e-08   a 2.588134951899649 9.6915e-09 au q 1.912859636918405 8.2636e-08 au i 5.168890055821405 4.8393e-06 deg node 333.7000938381639 3.8018e-05 deg peri 98.85059475207102 3.9537e-05 deg M 150.5218495782998 1.1488e-05 deg tp 2458364.618999339751 (2018-Sep-03.11899934) 4.64e-05 TDB period 1520.823461039185 4.16 8.5423e-06 2.339e-08 d yr n .2367138653647614 1.3296e-09 deg/d Q 3.263410266880894 1.222e-08 au   Orbit Determination Parameters    # obs. used (total)      973      data-arc span      9663 days (26.46 yr)      first obs. used      1994-01-08      last obs. used      2020-06-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52562      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:11:28   Additional Information  Earth MOID = .935723 au   Jupiter MOID = 2.06634 au   T_jup = 3.367  [ hide covariance matrix ] Orbital Elements at Epoch 2457255.5 (2015-Aug-21.0) TDB Reference: JPL 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2612620476399941 3.3204e-08   q 1.912074747050255 8.3051e-08 au tp 2456844.926422763572 (2014-Jul-06.42642276) 4.2227e-05 TDB node 333.7200885839868 3.8011e-05 deg peri 99.03965887093467 3.9518e-05 deg i 5.169709297337935 4.8397e-06 deg   Orbit Determination Parameters    # obs. used (total)      973      data-arc span      9663 days (26.46 yr)      first obs. used      1994-01-08      last obs. used      2020-06-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52562      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:11:28   Additional Information  Jupiter MOID = 2.06634 au   T_jup = 3.367  Orbit Covariance (6×6)   e q tp node peri i e 1.102537720236111E-15 -2.749619126976179E-15 5.207958591257969E-13 -9.703525565886548E-15 1.176490450731007E-13 -8.311559002660855E-16 q -2.749619126976179E-15 6.897422247629748E-15 -1.232701064236128E-12 2.257365974424916E-14 -2.750379403325709E-13 1.784376018623515E-15 tp 5.207958591257969E-13 -1.232701064236128E-12 1.783135205471191E-9 -2.267394806551933E-11 4.649895858928764E-10 -1.981054640582928E-12 node -9.703525565886548E-15 2.257365974424916E-14 -2.267394806551933E-11 1.444865072352179E-9 -1.444077174975985E-9 -1.08967602540245E-11 peri 1.176490450731007E-13 -2.750379403325709E-13 4.649895858928764E-10 -1.444077174975985E-9 1.56167745770379E-9 1.036331236854626E-11 i -8.311559002660855E-16 1.784376018623515E-15 -1.981054640582928E-12 -1.08967602540245E-11 1.036331236854626E-11 2.342289233329E-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 15.1   n/a MPO432617   109532 (2001 QM249)          Discovered 2001-Aug-24 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  2001 QM249 = 1994 AW10  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 10:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin