+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3365 Recogne (1985 CG2) Classification: Main-belt Asteroid          SPK-ID: 2003365 [ 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 42 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1737001952944873 3.1131e-08   a 2.712658939576557 1.0096e-08 au q 2.241469552004772 8.4759e-08 au i 7.799667481572671 3.2815e-06 deg node 189.3225878620405 2.6545e-05 deg peri 108.7695914257681 2.8259e-05 deg M 205.9750381105552 1.1547e-05 deg tp 2459698.699971351096 (2022-Apr-29.19997135) 5.431e-05 TDB period 1631.891263617442 4.47 9.1103e-06 2.494e-08 d yr n .220602933556971 1.2315e-09 deg/d Q 3.183848327148342 1.185e-08 au   Orbit Determination Parameters    # obs. used (total)      2912      data-arc span      18629 days (51.00 yr)      first obs. used      1969-11-11      last obs. used      2020-11-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46281      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:11:47   Additional Information  Earth MOID = 1.24097 au   Jupiter MOID = 2.09456 au   T_jup = 3.327  [ 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 12.5   n/a MPO502185   diameter diameter 17.716 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   geometric albedo albedo 0.069   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 3365 Recogne (1985 CG2)          Discovered 1985-Feb-13 by Debehogne, H. at La Silla Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1985 CG2 = 1969 VC1 = 1973 TM = 1977 OC = 1978 XA = 1982 UG11  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 13:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin