+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .188427652744115 4.1349e-08   a 2.374653450211165 1.1141e-08 au q 1.927203074507161 1.0248e-07 au i 3.830999681265392 4.103e-06 deg node 311.5803288829836 7.2515e-05 deg peri 6.369820104266656 7.351e-05 deg M 353.1397053994575 1.3557e-05 deg tp 2459225.970592663467 (2021-Jan-11.47059266) 5.0402e-05 TDB period 1336.591778161116 3.66 9.4063e-06 2.575e-08 d yr n .26934177351838 1.8955e-09 deg/d Q 2.822103825915169 1.324e-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.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56116      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:32:37   Additional Information  Earth MOID = .911964 au   Jupiter MOID = 2.47447 au   T_jup = 3.515  [ 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-Apr-20 06:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin