+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2009 RG2) Classification: Apollo [NEO]          SPK-ID: 3467094 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2455090.5 (2009-Sep-16.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3749733210674482 0.0010182   a 1.559856137160527 0.0024821 au q .9749517010220035 3.6979e-05 au i 3.070773984129322 0.0067457 deg node 353.9443592079205 0.0012322 deg peri 37.829832068168 0.0043399 deg M 343.2398636012233 0.047734 deg tp 2455123.628387221539 (2009-Oct-19.12838722) 0.015289 TDB period 711.5824785664934 1.95 1.6984 0.00465 d yr n .5059146491707216 0.0012075 deg/d Q 2.144760573299051 0.0034128 au   Orbit Determination Parameters    # obs. used (total)      36      data-arc span      7 days      first obs. used      2009-09-13      last obs. used      2009-09-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      8      norm. resid. RMS      .41408      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 09:00:06   Additional Information  Earth MOID = .0102693 au   Jupiter MOID = 3.30759 au   T_jup = 4.349  [ 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 25.7   n/a MPO162558   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-16 02:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin