+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14268 (2000 AK156) Classification: Jupiter Trojan          SPK-ID: 2014268 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09244277085915584 2.7125e-08   a 5.221922421512502 9.7872e-08 au q 4.739193443656333 2.1742e-07 au i 14.99860546525571 2.992e-07 deg node 284.5116590462814 5.8526e-06 deg peri 126.6493677955079 1.623e-05 deg M 301.4107576012001 1.7931e-05 deg tp 2459909.848135738368 (2022-Nov-26.34813574) 0.00022571 TDB period 4358.570249596589 11.93 0.00012254 3.355e-07 d yr n .08259589254832364 2.3221e-09 deg/d Q 5.70465139936867 1.0692e-07 au   Orbit Determination Parameters    # obs. used (total)      1600      data-arc span      12490 days (34.20 yr)      first obs. used      1986-11-09      last obs. used      2021-01-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48734      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:23:27   Additional Information  Earth MOID = 3.77573 au   Jupiter MOID = .288963 au   T_jup = 2.923  [ 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 10.58   n/a E2021B10   diameter diameter 57.54 km 4.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3 rotation period rot_per 7.51 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [French, L.M.; Stephens, R.D.; Coley, D.; Wasserman, L.; Sieben, J. (2015) Icarus 254, 1-17.] [Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.] geometric albedo albedo 0.0369   0.006 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3 14268 (2000 AK156)          Discovered 2000-Jan-03 by LINEAR at Socorro Reference: 20000320/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  2000 AK156 = 1986 VS7 = 1989 EB3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-16 16:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin