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13650 Perimedes (1996 TN49)
Classification: Jupiter Trojan          SPK-ID: 2013650
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0967566981343513 5.373e-08  
a 5.216531446761733 1.1292e-07 au
q 4.711797088259058 3.1119e-07 au
i 10.71080089069904 7.5444e-06 deg
node 206.8156804529414 3.4697e-05 deg
peri 244.3781531567591 5.5286e-05 deg
M 253.8257207635725 4.6514e-05 deg
tp 2459883.976709636649
(2022-Oct-31.47670964)
0.00058252 TDB
period 4351.822482734291
11.91
0.0001413
3.869e-07
d
yr
n .08272396253024747 2.686e-09 deg/d
Q 5.721265805264409 1.2385e-07 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      8394 days (22.98 yr)  
   first obs. used      1996-09-10  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56869  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:15:40  

Additional Information
 Earth MOID = 3.74539 au 
 Jupiter MOID = .00436268 au 
 T_jup = 2.956 
[ 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 MPO337374  
diameter diameter 21.640 km 0.600 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.086   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

13650 Perimedes           Discovered 1996 Oct. 4 by E. W. Elst at the European Southern Observatory.
Perimedes was the father of Schedios, the commander of the Phocians on the battlefield of Troy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100330/MPCPages.arcLast Updated: 2010-04-05

Alternate Designations
 1996 TN49 = 1996 RW33 = 1997 QX3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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