+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   13362 (1998 UQ16) Classification: Jupiter Trojan          SPK-ID: 2013362 [ 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 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02712939607514879 4.6073e-08   a 5.179953308314825 8.7853e-08 au q 5.039424303362775 2.183e-07 au i 9.340469154178486 4.0001e-06 deg node 57.89680080156528 2.8999e-05 deg peri 119.9261096984392 8.6113e-05 deg M 168.037319840485 8.3168e-05 deg tp 2456990.525999651596 (2014-Nov-29.02599965) 0.00096752 TDB period 4306.130571543976 11.79 0.00010955 2.999e-07 d yr n .08360173803808299 2.1268e-09 deg/d Q 5.320482313266876 9.0236e-08 au   Orbit Determination Parameters    # obs. used (total)      1641      data-arc span      11590 days (31.73 yr)      first obs. used      1989-01-31      last obs. used      2020-10-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48708      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:46:51   Additional Information  Earth MOID = 4.05207 au   Jupiter MOID = .237021 au   T_jup = 2.973  [ 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 11.0   n/a MPO416855   diameter diameter 28.324 km 5.196 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)   rotation period rot_per 15.13 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [French, L.M.; Stephens, R.D.; Coley, D.; Wasserman, L.; Sieben, J. (2015) Icarus 254, 1-17.] geometric albedo albedo 0.088   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)   13362 (1998 UQ16)          Discovered 1998-Oct-26 by Korlevic, K. at Visnjan Reference: 20000124/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Dec-05 10:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin