+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344205 (2001 QY149) Classification: Main-belt Asteroid          SPK-ID: 2344205 [ 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 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2530343983467102 1.3577e-07   a 2.379653894916837 2.8614e-08 au q 1.77751960334315 3.3107e-07 au i 5.804180635277737 9.0989e-06 deg node 110.9896217537857 0.00015803 deg peri 239.1357941080506 0.00015969 deg M 46.21190602207858 3.8327e-05 deg tp 2458828.384294199315 (2019-Dec-10.88429420) 0.00014047 TDB period 1340.815807481377 3.67 2.4183e-05 6.621e-08 d yr n .2684932546225223 4.8427e-09 deg/d Q 2.981788186490524 3.5854e-08 au   Orbit Determination Parameters    # obs. used (total)      116      data-arc span      6522 days (17.86 yr)      first obs. used      2001-08-25      last obs. used      2019-07-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .68071      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 06:29:22   Additional Information  Earth MOID = .779572 au   Jupiter MOID = 2.46111 au   T_jup = 3.488  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.8   n/a MPO339096   344205 (2001 QY149)          Discovered 2001-Aug-25 by NEAT at Palomar Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-09 03:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin