+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2009 PY) Classification: Aten [NEO]          SPK-ID: 3465683 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .294176678069808 3.4567e-07   a .9447606246012006 7.4669e-09 au q .6668340824848624 3.2888e-07 au i 26.56368334275879 4.5958e-05 deg node 325.6584902010311 2.3277e-05 deg peri 195.9976120188436 0.00012665 deg M 262.2977195456874 0.00017321 deg tp 2459291.529740285425 (2021-Mar-18.02974029) 0.0001608 TDB period 335.4139366079306 0.92 3.9764e-06 1.089e-08 d yr n 1.073300661387867 1.2724e-08 deg/d Q 1.222687166717539 9.6635e-09 au   Orbit Determination Parameters    # obs. used (total)      40      data-arc span      4015 days (10.99 yr)      first obs. used      2009-08-13      last obs. used      2020-08-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      1      norm. resid. RMS      .53871      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 02:48:08   Additional Information  Earth MOID = .178687 au   Jupiter MOID = 3.78041 au   T_jup = 6.236  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 21.2   n/a E2020-QF4   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 19:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin