+ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1883223219187571 4.1375e-08   a 2.373991949420407 1.1016e-08 au q 1.92691627328912 1.0245e-07 au i 3.830867358993576 4.1025e-06 deg node 311.5828242819296 7.2532e-05 deg peri 6.463551261409971 7.3527e-05 deg M 299.1808704170116 1.3436e-05 deg tp 2459226.212176867491 (2021-Jan-11.71217687) 5.0421e-05 TDB period 1336.0333209212 3.66 9.299e-06 2.546e-08 d yr n .2694543574345726 1.8754e-09 deg/d Q 2.821067625551695 1.309e-08 au   Orbit Determination Parameters    # obs. used (total)      636      data-arc span      8545 days (23.39 yr)      first obs. used      1997-02-03      last obs. used      2020-06-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56113      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:05:40   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 16.16   n/a E2021B55   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 ] 2021-Feb-28 16:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin