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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03861379191767096 3.8946e-08  
a 5.218891364454516 6.2144e-08 au
q 5.017370179266539 2.23e-07 au
i 32.09737492730198 4.4128e-06 deg
node 211.731904499485 7.1606e-06 deg
peri 52.60732424312275 5.8287e-05 deg
M 347.993927393376 5.6398e-05 deg
tp 2459145.732654957211
(2020-Oct-23.23265496)
0.00068102 TDB
period 4354.775911962239
11.92
7.7782e-05
2.13e-07
d
yr
n .08266785875505267 1.4765e-09 deg/d
Q 5.420412549642492 6.4543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2387  
   data-arc span      24416 days (66.85 yr)  
   first obs. used      1953-08-11  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:44:05  

Additional Information
 Earth MOID = 4.05807 au 
 Jupiter MOID = .358815 au 
 T_jup = 2.693 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456338.5 (2013-Feb-15.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03635813191729752 3.8891e-08  
q 5.006497968216654 2.2319e-07 au
tp 2454888.571222401062
(2009-Feb-26.07122240)
0.00076284 TDB
node 211.7704569967753 7.161e-06 deg
peri 58.32936863055604 6.224e-05 deg
i 32.14893933224037 4.4156e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2387  
   data-arc span      24416 days (66.85 yr)  
   first obs. used      1953-08-11  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:44:05  

Additional Information
 Jupiter MOID = .358815 au 
 T_jup = 2.693 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.512479519418871E-15 -8.351753391909665E-15 -1.52991000067498E-12 -1.68559695915011E-16 -1.18498814995206E-13 9.920322214849672E-16
q -8.351753391909665E-15 4.981395990209601E-14 -1.660874659415378E-11 5.82688972949149E-15 -1.265663505354633E-12 -8.945545469636388E-15
tp -1.52991000067498E-12 -1.660874659415378E-11 5.819295892148001E-7 -3.164778766381994E-11 4.717263549215224E-8 1.865308502600621E-11
node -1.68559695915011E-16 5.82688972949149E-15 -3.164778766381994E-11 5.128006630166542E-11 -4.557539462015953E-11 5.570630181995509E-12
peri -1.18498814995206E-13 -1.265663505354633E-12 4.717263549215224E-8 -4.557539462015953E-11 3.873782576727807E-9 -3.471684419372325E-12
i 9.920322214849672E-16 -8.945545469636388E-15 1.865308502600621E-11 5.570630181995509E-12 -3.471684419372325E-12 1.949775593560953E-11

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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