+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14658 (1999 AC10) Classification: Main-belt Asteroid          SPK-ID: 2014658 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09002635112552836 2.4054e-08   a 2.980504002651218 1.5401e-08 au q 2.712180102777497 7.6753e-08 au i 8.966640946160364 7.4535e-07 deg node 278.4505531499314 5.0734e-06 deg peri 40.12821541798097 1.2278e-05 deg M 296.1926281226119 1.069e-05 deg tp 2459729.620490500201 (2022-May-30.12049050) 5.6439e-05 TDB period 1879.459583612321 5.15 1.4568e-05 3.989e-08 d yr n .1915444222046424 1.4847e-09 deg/d Q 3.24882790252494 1.6788e-08 au   Orbit Determination Parameters    # obs. used (total)      1988      data-arc span      10910 days (29.87 yr)      first obs. used      1991-08-17      last obs. used      2021-06-30      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47121      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 03:36:43   Additional Information  Earth MOID = 1.7049 au   Jupiter MOID = 1.99484 au   T_jup = 3.235  [ 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 12.86   n/a MPO614063   diameter diameter 10.461 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.147   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14658 (1999 AC10)          Discovered 1999-Jan-13 by Korlevic, K. at Visnjan Reference: 20000418/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 AC10 = 1991 RM34 = 1992 XH  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jul-31 13:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin