+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2021 CC3) Classification: Amor [NEO]          SPK-ID: 54111240 [ 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 5 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5478903006062842 0.00010805   a 2.417277794393248 0.00061511 au q 1.092874736974236 1.6913e-05 au i 6.763507005948207 0.00099699 deg node 149.8404900496763 0.00020822 deg peri 28.0550367295062 0.00059923 deg M 335.8820889582221 0.009101 deg tp 2459292.465610642907 (2021-Mar-18.96561064) 0.00042159 TDB period 1372.739943111005 3.76 0.52397 0.001435 d yr n .2622492350474929 0.0001001 deg/d Q 3.741680851812261 0.00095212 au   Orbit Determination Parameters    # obs. used (total)      35      data-arc span      54 days      first obs. used      2021-02-07      last obs. used      2021-04-02      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      6      norm. resid. RMS      .3998      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 23:25:04   Additional Information  Earth MOID = .110765 au   Jupiter MOID = 1.22824 au   T_jup = 3.285  [ 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 24.79   .4628 E2021D54 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 20:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin