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32811 Apisaon (1990 TP12)
Classification: Jupiter Trojan          SPK-ID: 2032811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07742088481116598 6.8988e-08  
a 5.259609494261168 1.0443e-07 au
q 4.852405873454259 3.7834e-07 au
i 19.86879218875673 6.1105e-06 deg
node 50.54793524023395 1.5361e-05 deg
peri 157.1377393523917 4.059e-05 deg
M 4.352036012148497 3.4825e-05 deg
tp 2458547.237854398310
(2019-Mar-04.73785440)
0.00042672 TDB
period 4405.839557182948
12.06
0.00013121
3.592e-07
d
yr
n .08170973893343056 2.4334e-09 deg/d
Q 5.666813115068077 1.1251e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1117  
   data-arc span      15516 days (42.48 yr)  
   first obs. used      1976-11-16  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52472  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:44:57  

Additional Information
 Earth MOID = 3.85408 au 
 Jupiter MOID = .530468 au 
 T_jup = 2.875 
[ 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 11.2   n/a MPO279857  
diameter diameter 28.249 km 0.436 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.080   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

32811 Apisaon           Discovered 1990 Oct. 14 by F. Börngen and L. D. Schmadel at Tautenburg.
The Trojan warrior Apisaon, son of the Phausios, fought against the approaching Aias. But he was deadly transfixed and deprived of his armor by Eurypolos.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020526/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1990 TP12 = 2001 SL67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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