+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 44 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1737750182772984 3.0789e-08   a 2.712226450523675 1.0031e-08 au q 2.240909249511752 8.3961e-08 au i 7.800750611376356 3.279e-06 deg node 189.3162702659345 2.6182e-05 deg peri 108.8337610194022 2.7915e-05 deg M 250.0315938994096 1.1658e-05 deg tp 2459698.871016121334 (2022-Apr-29.37101612) 5.4251e-05 TDB period 1631.501011659358 4.47 9.0514e-06 2.478e-08 d yr n .2206557013616885 1.2242e-09 deg/d Q 3.183543651535599 1.1775e-08 au   Orbit Determination Parameters    # obs. used (total)      3029      data-arc span      18696 days (51.19 yr)      first obs. used      1969-11-11      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46142      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 01:09:58   Additional Information  Earth MOID = 1.23848 au   Jupiter MOID = 2.0945 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 12.53   n/a E2021B10   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-Mar-02 06:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin