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2363 Cebriones (1977 TJ3)
Classification: Jupiter Trojan          SPK-ID: 2002363
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03861378989120049 3.8769e-08  
a 5.218891367230837 6.1695e-08 au
q 5.017370192511586 2.2142e-07 au
i 32.09737581806676 4.2148e-06 deg
node 211.7319032650885 6.9431e-06 deg
peri 52.60733621113563 5.5859e-05 deg
M 347.993915549892 5.3423e-05 deg
tp 2459145.732798338987
(2020-Oct-23.23279834)
0.00064487 TDB
period 4354.775915437189
11.92
7.722e-05
2.114e-07
d
yr
n .08266785868908677 1.4659e-09 deg/d
Q 5.420412541950088 6.4077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2762  
   data-arc span      24540 days (67.19 yr)  
   first obs. used      1953-08-11  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:10:13  

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 8.9   n/a MPO473797 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. 2019-August); 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. 46-4, submitted. (Trojans Gaggle) http://www.planetarysciences.org/lightcurves.html]
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 6209Last Updated: 2006-03-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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