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13181 Peneleos (1996 RS28)
Classification: Jupiter Trojan          SPK-ID: 2013181
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362631255141652 3.9552e-08  
a 5.219758576281481 1.0053e-07 au
q 4.508497958247998 2.4137e-07 au
i 2.544417138193518 6.5734e-06 deg
node 10.92206298156909 9.0386e-05 deg
peri 103.8208276281927 9.5203e-05 deg
M 259.7089607752739 3.3974e-05 deg
tp 2460413.982960483758
(2024-Apr-13.48296048)
0.00043743 TDB
period 4355.861392514611
11.93
0.00012584
3.445e-07
d
yr
n .08264725792667482 2.3877e-09 deg/d
Q 5.931019194314965 1.1423e-07 au
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      15644 days (42.83 yr)  
   first obs. used      1978-03-15  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5654  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:48:26  

Additional Information
 Earth MOID = 3.52599 au 
 Jupiter MOID = .195861 au 
 T_jup = 2.979 
[ 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 12.04   n/a E2021B10  

13181 Peneleos           Discovered 1996 Sept. 11 at the European Southern Observatory during the Uppsala-DLR Trojan Survey.
Peneleos, leader of Boeotia, killed by Eurypylus, is said to have been one of those inside the wooden horse.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1996 RS28 = 1978 EW8 = 1997 UY11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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