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129137 Hippolochos (2005 AP27)
Classification: Jupiter Trojan          SPK-ID: 2129137
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05681488378862241 1.1755e-07  
a 5.145141032120341 2.5834e-07 AU
q 4.852820442304351 7.2675e-07 AU
i 12.50332142886194 9.766e-06 deg
node 114.5028475241927 6.3736e-05 deg
peri 232.7808234320753 0.00016172 deg
M 61.2150619420968 0.00013724 deg
tp 2456275.646659377248
(2012-Dec-14.14665938)
0.0016518 JED
period 4262.794063183665
11.67
0.00032106
8.79e-07
d
yr
n .08445165181897955 6.3605e-09 deg/d
Q 5.437461621936331 2.7302e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      4709 days (12.89 yr)  
   first obs. used      2001-10-15  
   last obs. used      2014-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .71285  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 16:12:09  

Additional Information
 Earth MOID = 3.86188 AU 
 T_jup = 2.950 
[ 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 13.0 mag n/a MPO270642  

129137 Hippolochos           Discovered 2005 Jan. 13 by M. Ory at Vicques.
Hippolochos was the son of Antimachos, the Trojan councillor responsible for preventing Helen from being restored to the Greeks. This brave warrior was killed by Agamemnon. Etymologically, hippo-lochos means "an ambush with a horse"---such as the Trojan Horse. The name was suggested by C. Eschenlohr.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061109/MPCPages.arcLast Updated: 2006-11-13
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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