+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2363 Cebriones (1977 TJ3) Classification: Jupiter Trojan          SPK-ID: 2002363 [ 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 50 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03861378995751754 3.8766e-08   a 5.218891367135281 6.1693e-08 au q 5.017370192073617 2.2141e-07 au i 32.09737580194017 4.2138e-06 deg node 211.7319032778937 6.9428e-06 deg peri 52.6073360400804 5.5852e-05 deg M 347.9939157258541 5.3415e-05 deg tp 2459145.732796206455 (2020-Oct-23.23279621) 0.00064476 TDB period 4354.775915317587 11.92 7.7218e-05 2.114e-07 d yr n .08266785869135722 1.4658e-09 deg/d Q 5.420412542196944 6.4075e-08 au   Orbit Determination Parameters    # obs. used (total)      2766      data-arc span      24554 days (67.23 yr)      first obs. used      1953-08-11      last obs. used      2020-11-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42353      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:05:53   Additional Information  Earth MOID = 4.05807 au   Jupiter MOID = .358815 au   T_jup = 2.693  [ 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 9.02   n/a E2021B10 IRAS observations used: 9 diameter diameter 95.976 km 1.171 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)   rotation period rot_per 20.099 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Galad, A.; Kornos, L. (2008) Minor Planet Bull. 35, 144-146.] [Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.] [Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.] [Stephens, R.D.; Warner, B.D. (2019) Minor Planet Bull. 46, 389-392.] [Stephens, R.D.; Warner, B.D. (2020) Minor Planet Bull. 47, 285-289.] geometric albedo albedo 0.044   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)   B-V BV 0.753   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.41 deg. U-B UB 0.251   0.041 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.41 deg. Tholen spectral type spec_T D   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices; used ground-based radiometric albedo 2363 Cebriones           Discovered 1977 Oct. 4 at the Purple Mountain Observatory. This Trojan planet is named for the charioteer of Hektor, wounded in the conflict between Hektor and Patroclus that led to the latter's death. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC 6209 Last Updated: 2006-03-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Feb-28 07:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin