+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2021 CF6) Classification: Apollo [NEO]          SPK-ID: 54115842 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5270388768512498 0.00053899   a 2.075406346526722 0.0023411 au q .9815865166433225 1.1371e-05 au i 6.948622298993042 0.0051046 deg node 168.6269175603187 0.00043815 deg peri 6.80044094919921 0.0024207 deg M 330.9476470851002 0.048885 deg tp 2459288.631659511387 (2021-Mar-15.13165951) 0.00083023 TDB period 1092.076690553617 2.99 1.8478 0.005059 d yr n .329647178732019 0.00055777 deg/d Q 3.169226176410121 0.0035749 au   Orbit Determination Parameters    # obs. used (total)      107      data-arc span      25 days      first obs. used      2021-02-09      last obs. used      2021-03-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      7      norm. resid. RMS      .48354      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 23:25:19   Additional Information  Earth MOID = .00838164 au   Jupiter MOID = 1.79439 au   T_jup = 3.573  [ 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 23.79   .37455 E2021-DA1 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 21:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin