+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 53 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03894124305911699 2.4002e-08   a 5.220527492038566 5.4615e-08 au q 5.01723366207429 1.5302e-07 au i 32.09102970489734 6.2406e-07 deg node 211.718217318727 3.4735e-06 deg peri 53.13349069340088 2.9791e-05 deg M 4.050499499047199 3.0181e-05 deg tp 2459151.479685905412 (2020-Oct-28.97968591) 0.00036551 TDB period 4356.823912261442 11.93 6.8368e-05 1.872e-07 d yr n .0826289993008093 1.2966e-09 deg/d Q 5.423821322002842 5.6741e-08 au   Orbit Determination Parameters    # obs. used (total)      2838      data-arc span      24692 days (67.60 yr)      first obs. used      1953-08-11      last obs. used      2021-03-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .41984      source      ORB      producer      Otto Matic      solution date      2021-May-03 20:12:14   Additional Information  Earth MOID = 4.05795 au   Jupiter MOID = .358195 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 9.01   n/a MPCxxxxx 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-Jun-25 02:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin