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117832 (2005 JL55)
Classification: Jupiter Trojan          SPK-ID: 2117832
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06767607112118756 6.6492e-08  
a 5.110896718922623 1.4221e-07 au
q 4.765011309079772 4.2824e-07 au
i 9.183845388151731 7.0468e-06 deg
node 184.2962612620283 3.0226e-05 deg
peri 209.5496484688179 5.422e-05 deg
M 319.265939653645 4.6029e-05 deg
tp 2459478.028488334110
(2021-Sep-20.52848833)
0.00053996 TDB
period 4220.307387443218
11.55
0.00017614
4.822e-07
d
yr
n .08530184343233307 3.5602e-09 deg/d
Q 5.456782128765475 1.5183e-07 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      17164 days (46.99 yr)  
   first obs. used      1973-09-24  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 20:11:00  

Additional Information
 Earth MOID = 3.77419 au 
 Jupiter MOID = .0328917 au 
 T_jup = 2.970 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8   n/a MPO493672  

117832 (2005 JL55)          Discovered 2005-May-04 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 JL55 = 1126 T-2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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