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295503 (2008 RE55)
Classification: Jupiter Trojan          SPK-ID: 2295503
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09254352277898398 6.38e-08  
a 5.275581011205505 2.5201e-07 au
q 4.787360159722633 4.504e-07 au
i 6.784515065424622 7.3662e-06 deg
node 212.427623758048 7.0013e-05 deg
peri 223.3393483006301 9.5094e-05 deg
M 266.8333917365369 7.3648e-05 deg
tp 2460145.911808093839
(2023-Jul-20.41180809)
0.00097099 TDB
period 4425.92317783765
12.12
0.00031713
8.683e-07
d
yr
n .08133896263782041 5.8281e-09 deg/d
Q 5.763801862688377 2.7533e-07 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      9107 days (24.93 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62844  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:25:46  

Additional Information
 Earth MOID = 3.80637 au 
 Jupiter MOID = .11064 au 
 T_jup = 2.977 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457100.5 (2015-Mar-19.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09091926717942526 6.3619e-08  
q 4.804060933655301 4.4832e-07 au
tp 2455722.608926706470
(2011-Jun-10.10892671)
0.0007552 TDB
node 212.5073283981889 6.9911e-05 deg
peri 223.7220628261601 9.5822e-05 deg
i 6.785293360198437 7.3677e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      9107 days (24.93 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62844  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:25:46  

Additional Information
 Jupiter MOID = .11064 au 
 T_jup = 2.977 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.04741723263496E-15 -2.476815318283706E-14 -1.991049918074165E-12 -1.076602509154637E-14 -3.260462758722616E-13 -7.400067918479428E-16
q -2.476815318283706E-14 2.009937533548958E-13 1.180316967851132E-10 7.050472637985125E-14 1.210816178053801E-11 2.07762397330422E-14
tp -1.991049918074165E-12 1.180316967851132E-10 5.703246283809744E-7 -3.391969894930662E-11 4.951330968264917E-8 2.941489943428422E-11
node -1.076602509154637E-14 7.050472637985125E-14 -3.391969894930662E-11 4.887514744867712E-9 -4.854962060566417E-9 -1.021725741281784E-10
peri -3.260462758722616E-13 1.210816178053801E-11 4.951330968264917E-8 -4.854962060566417E-9 9.181768541077418E-9 1.043915526253686E-10
i -7.400067918479428E-16 2.07762397330422E-14 2.941489943428422E-11 -1.021725741281784E-10 1.043915526253686E-10 5.42827736349585E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO413252  

295503 (2008 RE55)          Discovered 2008-Sep-03 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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