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171433 Prothous (2007 RK35)
Classification: Jupiter Trojan          SPK-ID: 2171433
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05482942048724448 1.9833e-07  
a 5.228287756110884 4.6477e-07 AU
q 4.941623768302769 7.91e-07 AU
i 5.544398018761652 1.7773e-05 deg
node 166.4099012890895 0.00010251 deg
peri 221.9506002834859 0.00018419 deg
M 135.0159822510562 0.00014484 deg
tp 2454762.852864123351
(2008-Oct-23.35286412)		 0.0018139 JED
period 4366.54208699046
11.95		 0.00058225
1.594e-06		 d
yr
n .08244510022531852 1.0994e-08 deg/d
Q 5.514951743918999 4.9026e-07 AU
   Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      4400 days (12.05 yr)  
   first obs. used      2001-03-18  
   last obs. used      2013-04-04  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .6276  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 20:17:19  

Additional Information
 Earth MOID = 3.9478 AU 
 T_jup = 2.988 
[ 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 12.893 mag .58496 1 autocmod 2.5c

171433 Prothous           Discovered 2007 Sept. 7 by J. Lacruz at La Cañada.
Prothous, leader of Magnesia, son of Tenthredon, was one of the suitors of Helen. He brought 40 ships to the Trojan war and was one of the warriors who hid inside the wooden horse.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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