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JPL Small-Body Database Browser
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23383 Schedios (5146 T-2)
Classification: Jupiter Trojan          SPK-ID: 2023383
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095079966839278 6.2716e-08  
a 5.195679114005754 1.4004e-07 au
q 4.62671070281846 3.7117e-07 au
i 10.82519176258631 8.9191e-06 deg
node 301.2128465008765 2.9831e-05 deg
peri 137.6176305262714 5.0417e-05 deg
M 264.1962497475024 4.4413e-05 deg
tp 2460151.676506251771
(2023-Jul-26.17650625)
0.000564 TDB
period 4325.754901644192
11.84
0.00017489
4.788e-07
d
yr
n .08322246825939358 3.3647e-09 deg/d
Q 5.76464752519305 1.5538e-07 au
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      16843 days (46.11 yr)  
   first obs. used      1973-09-20  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5524  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:56:25  

Additional Information
 Earth MOID = 3.65216 au 
 Jupiter MOID = .465957 au 
 T_jup = 2.953 
[ 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 11.8   n/a MPO492992  

23383 Schedios           Discovered 1973 Sept. 25 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Schedios came together with his brother Epistrophos from Phokis to fight against Troy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 5146 T-2 = 1989 AL10 = 1999 XX190 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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