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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06731779744486115 6.823e-08  
a 5.112133149607099 1.6174e-07 au
q 4.767995605730689 4.526e-07 au
i 9.182468140603062 7.0543e-06 deg
node 184.3027554919828 3.3606e-05 deg
peri 209.124167552558 6.3507e-05 deg
M 285.5084341799793 5.7876e-05 deg
tp 2459474.087205288231
(2021-Sep-16.58720529)
0.00069066 TDB
period 4221.838948366406
11.56
0.00020035
5.485e-07
d
yr
n .08527089839353015 4.0467e-09 deg/d
Q 5.45627069348351 1.7262e-07 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      16801 days (46.00 yr)  
   first obs. used      1973-09-24  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61517  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:55:15  

Additional Information
 Earth MOID = 3.77629 au 
 Jupiter MOID = .0289795 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 12.9   n/a MPO432682  

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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