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441314 (2008 AG91)
Classification: Main-belt Asteroid          SPK-ID: 2441314
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07840089856338212 1.0577e-07  
a 2.772688437904349 2.9378e-08 au
q 2.555307172936347 3.0546e-07 au
i 5.520116701820641 5.3779e-06 deg
node 286.153690471851 0.00010079 deg
peri 111.580662866966 0.00014027 deg
M 39.96037042299525 8.1029e-05 deg
tp 2459209.312416152033
(2020-Dec-25.81241615)
0.00038084 TDB
period 1686.35899697491
4.62
2.6802e-05
7.338e-08
d
yr
n .2134776762514916 3.3928e-09 deg/d
Q 2.99006970287235 3.1681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5171 days (14.16 yr)  
   first obs. used      2006-10-19  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:40:22  

Additional Information
 Earth MOID = 1.56867 au 
 Jupiter MOID = 2.33627 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457754.5 (2017-Jan-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08018303068962854 1.0445e-07  
q 2.549993088251953 3.0173e-07 au
tp 2457513.478675976295
(2016-May-04.97867598)
0.00038039 TDB
node 286.2784197192986 0.00010112 deg
peri 109.6332971633865 0.00013877 deg
i 5.510688048174149 5.3701e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5171 days (14.16 yr)  
   first obs. used      2006-10-19  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:40:22  

Additional Information
 Jupiter MOID = 2.33627 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.091000755484635E-14 -3.141239089375505E-14 1.556346638481286E-11 -1.887171294593849E-13 4.371357443703288E-12 -2.738502406997053E-14
q -3.141239089375505E-14 9.10406775041221E-14 -4.787533643523757E-11 5.678152564975428E-13 -1.333049423997345E-11 7.894601321450507E-14
tp 1.556346638481286E-11 -4.787533643523757E-11 1.44694911688048E-7 -7.563287228422143E-10 3.62521544613598E-8 -9.063493830924735E-12
node -1.887171294593849E-13 5.678152564975428E-13 -7.563287228422143E-10 1.022483311932274E-8 -1.036797301321914E-8 6.534134555076522E-11
peri 4.371357443703288E-12 -1.333049423997345E-11 3.62521544613598E-8 -1.036797301321914E-8 1.925686807777233E-8 -6.833207572018474E-11
i -2.738502406997053E-14 7.894601321450507E-14 -9.063493830924735E-12 6.534134555076522E-11 -6.833207572018474E-11 2.883780597692589E-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 17.49   n/a MPCxxxxx  

441314 (2008 AG91)          Discovered 2008-Jan-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2008 AG91 = 2006 UF110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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