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231666 Aisymnos (1960 SX = 2009 SV35)
Classification: Jupiter Trojan          SPK-ID: 2231666
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05249390576813961 5.4344e-08  
a 5.309241693297677 1.7662e-07 au
q 5.030538860149431 4.1413e-07 au
i 5.267214784993773 5.3312e-06 deg
node 237.2262937659352 7.226e-05 deg
peri 206.7984016951928 0.00011762 deg
M 262.5306451686187 9.7891e-05 deg
tp 2460210.297720430670
(2023-Sep-22.79772043)
0.0012605 TDB
period 4468.349873747382
12.23
0.00022297
6.105e-07
d
yr
n .08056665439630983 4.0202e-09 deg/d
Q 5.587944526445923 1.8589e-07 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      21941 days (60.07 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:02:54  

Additional Information
 Earth MOID = 4.04754 au 
 Jupiter MOID = .00285377 au 
 T_jup = 2.989 
[ 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 12.7   n/a MPO433513  
diameter diameter 13.007 km 1.166 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.087   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

231666 Aisymnos           Discovered 1960 Sept. 24 by L. D. Schmadel and R. M. Stoss at Palomar.
Aisymnos was a ruler of the Danaans, a Greek soldier who was killed by Hektor. This Trojan was detected on scans of the original Palomar-Leiden plates taken by T. Gehrels.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100527/MPCPages.arcLast Updated: 2010-12-06

Alternate Designations
 1960 SX = 2009 SV35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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