+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100535 (1997 CR22) Classification: Main-belt Asteroid          SPK-ID: 2100535 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .188322321658587 4.139e-08   a 2.373991949383984 1.1018e-08 au q 1.926916273877197 1.0248e-07 au i 3.830867333538396 4.1069e-06 deg node 311.5828240044584 7.256e-05 deg peri 6.463551501509742 7.3556e-05 deg M 299.1808704849616 1.344e-05 deg tp 2459226.212176610120 (2021-Jan-11.71217661) 5.0435e-05 TDB period 1336.033320890452 3.66 9.3011e-06 2.547e-08 d yr n .2694543574407738 1.8759e-09 deg/d Q 2.82106762489077 1.3093e-08 au   Orbit Determination Parameters    # obs. used (total)      632      data-arc span      8533 days (23.36 yr)      first obs. used      1997-02-03      last obs. used      2020-06-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56267      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 01:12:41   Additional Information  Earth MOID = .913677 au   Jupiter MOID = 2.47613 au   T_jup = 3.516  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.1   n/a MPO266352   100535 (1997 CR22)          Discovered 1997-Feb-03 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-19 22:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin