+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2021 CT10) Classification: Aten [NEO]          SPK-ID: 54125413 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459259.5 (2021-Feb-14.0) TDB Reference: JPL 2 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3333498492353125 0.030393   a .9192880018747179 0.0075378 au q .612843485045949 0.032399 au i 12.80723219440503 1.0694 deg node 350.6612722899388 1.3462 deg peri 315.3610193196042 3.4137 deg M 217.8036017624255 6.6213 deg tp 2459386.663335246291 (2021-Jun-21.16333525) 4.4745 TDB period 321.9406486807062 0.88 3.9597 0.01084 d yr n 1.118218533370231 0.013754 deg/d Q 1.225732518703487 0.010051 au   Orbit Determination Parameters    # obs. used (total)      11      data-arc span      2 days      first obs. used      2021-02-13      last obs. used      2021-02-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      9      norm. resid. RMS      .11235      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 23:25:39   Additional Information  Earth MOID = .0415367 au   Jupiter MOID = 4.03179 au   T_jup = 6.433  [ 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 24.39   .41583 E2021-DA1 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-18 06:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin