+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3305 Ceadams (1985 KB) Classification: Main-belt Asteroid          SPK-ID: 2003305 [ 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 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1552189789340035 3.3356e-08   a 2.601425840075547 1.0934e-08 au q 2.197635177406488 8.7362e-08 au i 13.43514736460949 4.3173e-06 deg node 32.14835570509706 1.7062e-05 deg peri 240.3588007654083 2.2445e-05 deg M 95.74695721324976 1.4888e-05 deg tp 2458592.896333435547 (2019-Apr-19.39633344) 6.3305e-05 TDB period 1532.553349307869 4.20 9.6625e-06 2.645e-08 d yr n .2349020999253194 1.481e-09 deg/d Q 3.005216502744605 1.2632e-08 au   Orbit Determination Parameters    # obs. used (total)      2572      data-arc span      19226 days (52.64 yr)      first obs. used      1968-03-28      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .39172      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:11:26   Additional Information  Earth MOID = 1.21662 au   Jupiter MOID = 2.15546 au   T_jup = 3.359  [ 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 12.2   n/a MPO347547   diameter diameter 10.052 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 2.729 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Ferrero, A. (2010) Minor Planet Bull. 37, 145.] geometric albedo albedo 0.259   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   3305 Ceadams (1985 KB)          Discovered 1985-May-21 by Gilmore, A. and Kilmartin, P. at Mount John Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1985 KB = 1957 WQ = 1968 FL = 1977 PJ2 = 1982 UF10 = 1982 VB11  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 23:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin