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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05794481147331493 6.9737e-08  
a 5.127307881561672 1.2899e-07 AU
q 4.830206992998939 3.9402e-07 AU
i 7.122373339698147 8.2631e-06 deg
node 141.517694172663 5.4726e-05 deg
peri 340.2831700296363 9.8692e-05 deg
M 52.98340975176245 7.6292e-05 deg
tp 2456376.377377418225
(2013-Mar-24.87737742)
0.00090513 JED
period 4240.650897745687
11.61
0.00016002
4.381e-07
d
yr
n .08489262820275409 3.2035e-09 deg/d
Q 5.424408770124405 1.3646e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      15136 days (41.44 yr)  
   first obs. used      1973-09-19  
   last obs. used      2015-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49118  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:59:12  

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-Feb); 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.; et al. (2015) Icarus, in press.]

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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