+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   98943 (2001 CC21) Classification: Apollo [NEO]          SPK-ID: 2098943 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 132 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2191389202619375 3.6001e-08   a 1.032318070399598 2.2514e-09 au q .8060970030853434 3.6894e-08 au i 4.808207704950352 4.029e-06 deg node 75.57223283783806 4.1026e-05 deg peri 179.3999447219594 4.367e-05 deg M 61.05500171153025 2.4321e-05 deg tp 2458935.526319539998 (2020-Mar-27.02631954) 2.5714e-05 TDB period 383.1057949374123 1.05 1.2533e-06 3.431e-09 d yr n .9396882134315221 3.074e-09 deg/d Q 1.258539137713853 2.7447e-09 au   Orbit Determination Parameters    # obs. used (total)      652      data-arc span      13943 days (38.17 yr)      first obs. used      1982-11-10      last obs. used      2021-01-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4307      source      ORB      producer      Otto Matic      solution date      2021-Jan-13 05:25:06   Additional Information  Earth MOID = .0830678 au   Jupiter MOID = 3.77029 au   T_jup = 5.907  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 18.5   n/a MPO71598   rotation period rot_per 5.017 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (2002) http://www.asu.cas.cz/~ppravec/neo.htm] SMASSII spectral type spec_B L   n/a Binzel et al. (2004) Meteorit. Planet. Sci. 39, 351-366   98943 (2001 CC21)          Discovered 2001-Feb-03 by LINEAR at Socorro Reference: 20050224/Numbers.arc Last Updated: 2005-02-28 [ show close-approach data ] Alternate Designations  2001 CC21 = 1982 VE13  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 07:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin