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173086 Nireus (2007 RS8)
Classification: Jupiter Trojan          SPK-ID: 2173086
[ 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 .09728410512821935 1.3155e-07  
a 5.123011886766627 3.6481e-07 AU
q 4.624624259801305 6.6126e-07 AU
i 17.51717187843476 1.3518e-05 deg
node 237.4013172248967 4.1703e-05 deg
peri 184.9110593172582 0.00010348 deg
M 87.50321182049372 8.1856e-05 deg
tp 2455371.043581749442
(2010-Jun-23.54358175)		 0.0010097 JED
period 4235.322371142994
11.60		 0.0004524
1.239e-06		 d
yr
n .0849994329718156 9.0793e-09 deg/d
Q 5.62139951373195 4.0031e-07 AU
   Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      5244 days (14.36 yr)  
   first obs. used      1998-11-25  
   last obs. used      2013-04-04  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .58683  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 20:20:00  

Additional Information
 Earth MOID = 3.63707 AU 
 T_jup = 2.899 
[ 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 12.506 mag .40921 1 autocmod 2.5c

173086 Nireus           Discovered 2007 Sept. 8 by M. Ory at Vicques.
Nireus, the king of Syme island, fought for the Greeks during the Trojan war. Although of low birth, he was considered the most handsome of the Greeks next to Achilles. Nireus was killed by Eurypylos. The name was suggested by A. Martinez.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080321/MPCPages.arcLast Updated: 2008-03-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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