+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 RF2) Classification: Apollo [NEO]          SPK-ID: 3827322 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 2 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3399208148852524 0.00024148   a 1.023958115055207 0.00012888 au q .675893438177274 0.00016224 au i 9.640671827464701 0.0085126 deg node 344.2453298231157 0.00025049 deg peri 110.9650896688646 0.0033656 deg M 169.5189052706967 0.080902 deg tp 2458822.287832009019 (2019-Dec-04.78783201) 0.051404 TDB period 378.4615077256724 1.04 0.071454 0.0001956 d yr n .9512195894461895 0.00017959 deg/d Q 1.37202279193314 0.00017269 au   Orbit Determination Parameters    # obs. used (total)      25      data-arc span      1 day      first obs. used      2018-09-07      last obs. used      2018-09-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      6      norm. resid. RMS      .43572      source      ORB      producer      Otto Matic      solution date      2018-Sep-09 07:02:22   Additional Information  Earth MOID = .0102641 au   Jupiter MOID = 3.80587 au   T_jup = 5.904  [ 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 28.2   .71211 MPO452097 autocmod 2.6n [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Feb-27 05:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin