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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359335152231523 4.9959e-08  
a 5.2197652561886 1.0898e-07 au
q 4.510224216275206 2.7078e-07 au
i 2.544311257526495 6.8979e-06 deg
node 10.92276346859219 0.00011709 deg
peri 103.8657940190564 0.00012087 deg
M 243.0921115487214 3.3845e-05 deg
tp 2460415.043153648558
(2024-Apr-14.54315365)
0.00044153 TDB
period 4355.869754038925
11.93
0.00013641
3.735e-07
d
yr
n .08264709927706047 2.5882e-09 deg/d
Q 5.929306296101994 1.2379e-07 au
  Orbit Determination Parameters
   # obs. used (total)      750  
   data-arc span      15241 days (41.73 yr)  
   first obs. used      1978-03-15  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58896  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:31:57  

Additional Information
 Earth MOID = 3.52782 au 
 Jupiter MOID = .195924 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 12.0   n/a MPO452356  

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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