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312484 (2008 UL15)
Classification: Jupiter Trojan          SPK-ID: 2312484
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0642175803284768 8.5117e-08  
a 5.265439102214294 1.8335e-07 au
q 4.927305343703145 5.3728e-07 au
i 5.049398741306093 9.9581e-06 deg
node 348.4267210536451 6.166e-05 deg
peri 33.23731290687882 8.6553e-05 deg
M 340.6550637934077 5.7128e-05 deg
tp 2459237.645626342958
(2021-Jan-23.14562634)
0.00069638 TDB
period 4413.166555409561
12.08
0.00023051
6.311e-07
d
yr
n .08157407962740949 4.2608e-09 deg/d
Q 5.603572860725443 1.9512e-07 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      4782 days (13.09 yr)  
   first obs. used      2007-09-13  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57574  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:47:16  

Additional Information
 Earth MOID = 3.93134 au 
 Jupiter MOID = .0171669 au 
 T_jup = 2.988 
[ 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 13.7   n/a MPO455303  

312484 (2008 UL15)          Discovered 2008-Oct-18 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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