+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09229048229677536 5.1166e-08   a 5.226953235870011 1.0976e-07 au q 4.744555200788876 3.4629e-07 au i 15.00018254515584 5.6162e-06 deg node 284.5193412590069 1.9405e-05 deg peri 125.9777050337331 4.0291e-05 deg M 285.5155752943665 3.6255e-05 deg tp 2459903.596825674291 (2022-Nov-20.09682567) 0.00044995 TDB period 4364.870354139356 11.95 0.00013748 3.764e-07 d yr n .08247667646270401 2.5979e-09 deg/d Q 5.709351270951145 1.1989e-07 au   Orbit Determination Parameters    # obs. used (total)      1445      data-arc span      12418 days (34.00 yr)      first obs. used      1986-11-09      last obs. used      2020-11-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49744      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:56:05   Additional Information  Earth MOID = 3.78213 au   Jupiter MOID = .287632 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 10.5   n/a MPO365422   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-Jan-28 11:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin