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19913 Aigyptios (1973 SU1)
Classification: Jupiter Trojan          SPK-ID: 2019913
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05794483548797297 6.5008e-08  
a 5.127307843116355 1.2249e-07 AU
q 4.830206833650784 3.5663e-07 AU
i 7.122374832425926 7.8552e-06 deg
node 141.5176868042589 5.3447e-05 deg
peri 340.2831919417393 9.6767e-05 deg
M 52.98339851431831 7.5429e-05 deg
tp 2456376.377516810307
(2013-Mar-24.87751681)
0.00089389 JED
period 4240.650850050141
11.61
0.00015196
4.16e-07
d
yr
n .08489262915756042 3.0421e-09 deg/d
Q 5.424408852581927 1.2959e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      986  
   data-arc span      15165 days (41.52 yr)  
   first obs. used      1973-09-19  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48542  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:04:55  

Additional Information
 Earth MOID = 3.84701 AU 
 T_jup = 2.982 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.2 mag n/a MPO302187  
rotation period rot_per 40.43 h n/a LCDB (Rev. 2015-May); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[French, L.M.; Stephens, R.D.; Coley, D.; Wasserman, L.; Sieben, J. (2015) Icarus 254, 1-17.]

19913 Aigyptios           Discovered 1973 Sept. 19 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Aigyptios was the father of Antiphos, who was a hero in Troy and companion of Odysseus.
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
 1973 SU1 = 1999 WR8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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