+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100285 (1995 CG3) Classification: Main-belt Asteroid          SPK-ID: 2100285 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ 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 .1138343202985597 4.2584e-08   a 2.877820575405623 1.815e-08 au q 2.550225826263115 1.2141e-07 au i 8.841705051956669 5.7015e-06 deg node 149.0940511446873 3.4599e-05 deg peri 105.4368964230667 4.646e-05 deg M 1.311009062735659 3.0048e-05 deg tp 2459194.006225701274 (2020-Dec-10.50622570) 0.00014885 TDB period 1783.175123643451 4.88 1.687e-05 4.619e-08 d yr n .2018870694340073 1.9099e-09 deg/d Q 3.205415324548132 2.0216e-08 au   Orbit Determination Parameters    # obs. used (total)      629      data-arc span      9302 days (25.47 yr)      first obs. used      1995-02-01      last obs. used      2020-07-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59422      source      ORB      producer      Otto Matic      solution date      2020-Oct-26 08:52:23   Additional Information  Earth MOID = 1.55178 au   Jupiter MOID = 1.90672 au   T_jup = 3.268  [ 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 15.22   n/a E2021B55   diameter diameter 2.612 km 0.537 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.259   0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100285 (1995 CG3)          Discovered 1995-Feb-01 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1995 CG3 = 2000 CD79  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-03 03:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin