+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2010 CT) Classification: Aten [NEO]          SPK-ID: 3507181 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6576939150902195 4.3965e-07   a .8878810176098406 7.5687e-09 au q .3039270750037364 3.8916e-07 au i 19.75928639859654 4.1149e-05 deg node 176.0556713678205 0.00012838 deg peri 104.3319713733381 0.00011673 deg M 277.0066672122848 5.2816e-05 deg tp 2459270.948424948565 (2021-Feb-25.44842495) 4.5435e-05 TDB period 305.583980418694 0.84 3.9074e-06 1.07e-08 d yr n 1.178072225863241 1.5064e-08 deg/d Q 1.471834960215945 1.2547e-08 au   Orbit Determination Parameters    # obs. used (total)      37      data-arc span      3679 days (10.07 yr)      first obs. used      2010-02-08      last obs. used      2020-03-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48491      source      ORB      producer      Otto Matic      solution date      2020-Sep-11 07:31:32   Additional Information  Earth MOID = .171663 au   Jupiter MOID = 3.80051 au   T_jup = 6.446  [ 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 20.2   n/a E2020R76   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-04 20:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin