+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17635 (1996 OC1) Classification: Main-belt Asteroid          SPK-ID: 2017635 [ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1157370535730137 3.5895e-08   a 2.402033204441555 7.8478e-09 au q 2.124028958774945 8.7052e-08 au i 6.476277819639878 3.3896e-06 deg node 114.7034635167238 3.8415e-05 deg peri 320.058636704349 4.3564e-05 deg M 87.00499742648408 1.8985e-05 deg tp 2458871.868919701397 (2020-Jan-23.36891970) 7.1884e-05 TDB period 1359.774638318474 3.72 6.6639e-06 1.824e-08 d yr n .2647497532717507 1.2975e-09 deg/d Q 2.680037450108165 8.7561e-09 au   Orbit Determination Parameters    # obs. used (total)      1579      data-arc span      12402 days (33.95 yr)      first obs. used      1987-04-01      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53801      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:08:56   Additional Information  Earth MOID = 1.14353 au   Jupiter MOID = 2.5372 au   T_jup = 3.507  [ 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 14.59   n/a E2021B10   diameter diameter 5.021 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.111   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17635 (1996 OC1)          Discovered 1996-Jul-20 by Beijing Schmidt CCD Asteroid Program at Xinglong Reference: 20001013/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1996 OC1 = 1998 BD2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 13:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin