+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100534 (1997 CM22) Classification: Main-belt Asteroid          SPK-ID: 2100534 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1727746574314863 3.516e-08   a 2.376445547910259 8.8444e-09 au q 1.965855982465483 8.5664e-08 au i .3933554171641744 4.0004e-06 deg node 143.8640694012891 0.00048733 deg peri 221.1578350698648 0.00048747 deg M 234.385508889994 1.3338e-05 deg tp 2459467.403866974989 (2021-Sep-09.90386698) 5.1161e-05 TDB period 1338.105107346225 3.66 7.47e-06 2.045e-08 d yr n .2690371615978389 1.5019e-09 deg/d Q 2.787035113355035 1.0372e-08 au   Orbit Determination Parameters    # obs. used (total)      698      data-arc span      8541 days (23.38 yr)      first obs. used      1997-02-03      last obs. used      2020-06-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53879      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:05:41   Additional Information  Earth MOID = .96395 au   Jupiter MOID = 2.67154 au   T_jup = 3.521  [ 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 16.25   n/a E2021B55   diameter diameter 3.198 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.057   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100534 (1997 CM22)          Discovered 1997-Feb-03 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1997 CM22 = 1999 TJ119  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-02 09:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin