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295513 (2008 RR82)
Classification: Jupiter Trojan          SPK-ID: 2295513
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06025874184934024 9.3116e-08  
a 5.130581520419254 1.7621e-07 au
q 4.821419133043315 5.7694e-07 au
i 7.331158004946711 9.6787e-06 deg
node 190.8568861264199 5.0316e-05 deg
peri 194.9538777361453 8.155e-05 deg
M 324.097885990087 6.2424e-05 deg
tp 2459423.817123780316
(2021-Jul-28.31712378)
0.00073238 TDB
period 4244.712846681838
11.62
0.00021868
5.987e-07
d
yr
n .08481139078263396 4.3693e-09 deg/d
Q 5.439743907795194 1.8683e-07 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6825 days (18.69 yr)  
   first obs. used      2002-02-13  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:49:06  

Additional Information
 Earth MOID = 3.8258 au 
 Jupiter MOID = .0216702 au 
 T_jup = 2.980 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457825.5 (2017-Mar-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05888332804102323 9.3241e-08  
q 4.834465235462623 5.7428e-07 au
tp 2459413.612423861000
(2021-Jul-18.11242386)
0.00074943 TDB
node 190.9064965091339 5.0292e-05 deg
peri 193.7020429117415 8.2864e-05 deg
i 7.32994517566154 9.6757e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6825 days (18.69 yr)  
   first obs. used      2002-02-13  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:49:06  

Additional Information
 Jupiter MOID = .0216702 au 
 T_jup = 2.980 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.69383327832282E-15 -5.175304519216575E-14 -2.21061606141951E-11 -3.234203685601223E-14 -1.365530470445836E-12 -2.388008783115514E-16
q -5.175304519216575E-14 3.297943579771715E-13 8.939504174144683E-11 2.141188654933674E-13 3.586956189358784E-12 8.265488831882639E-15
tp -2.21061606141951E-11 8.939504174144683E-11 5.616435012100527E-7 2.628541484720438E-11 4.904688465800442E-8 1.898739118387811E-13
node -3.234203685601223E-14 2.141188654933674E-13 2.628541484720438E-11 2.5293349584098E-9 -2.508884701981842E-9 -1.786996629802554E-10
peri -1.365530470445836E-12 3.586956189358784E-12 4.904688465800442E-8 -2.508884701981842E-9 6.866449980391678E-9 1.769495629300994E-10
i -2.388008783115514E-16 8.265488831882639E-15 1.898739118387811E-13 -1.786996629802554E-10 1.769495629300994E-10 9.36193927544012E-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 14.0   n/a MPO413252  

295513 (2008 RR82)          Discovered 2008-Sep-04 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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