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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0782046035967429 1.6977e-07  
a 2.772212282749683 1.0064e-07 au
q 2.555412520091223 5.4863e-07 au
i 5.520316732570889 8.5394e-06 deg
node 286.1511897958933 0.00010501 deg
peri 111.41179677 0.00014641 deg
M 315.5577744237553 0.00010037 deg
tp 2459208.628450336873
(2020-Dec-25.12845034)
0.00047503 TDB
period 1685.924616730352
4.62
9.1811e-05
2.514e-07
d
yr
n .2135326789985288 1.1628e-08 deg/d
Q 2.989012045408144 1.0852e-07 au
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      3301 days (9.04 yr)  
   first obs. used      2006-10-19  
   last obs. used      2015-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .76712  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:39:37  

Additional Information
 Earth MOID = 1.56937 au 
 Jupiter MOID = 2.33721 au 
 T_jup = 3.326 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456648.5 (2013-Dec-22.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08094137076596457 1.6977e-07  
q 2.547676221756986 5.4919e-07 au
tp 2455828.149315970969
(2011-Sep-23.64931597)
0.00040245 TDB
node 286.2943278410324 0.00010534 deg
peri 109.82901985431 0.00014364 deg
i 5.511096590604827 8.5271e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      3301 days (9.04 yr)  
   first obs. used      2006-10-19  
   last obs. used      2015-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .76712  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:39:37  

Additional Information
 Jupiter MOID = 2.33721 au 
 T_jup = 3.326 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.882154412573666E-14 -9.278653577431609E-14 6.601472524207312E-12 -2.722433322245577E-13 1.916744591155781E-12 -8.354852364449849E-14
q -9.278653577431609E-14 3.016051478852321E-13 -1.587012312232734E-11 8.510821711879822E-13 -4.594165709963352E-12 2.749749408329197E-13
tp 6.601472524207312E-12 -1.587012312232734E-11 1.619691068224242E-7 -7.808298984186631E-10 3.937643166693756E-8 2.656866901753969E-11
node -2.722433322245577E-13 8.510821711879822E-13 -7.808298984186631E-10 1.109634905345405E-8 -1.12305213647001E-8 1.896430333297593E-10
peri 1.916744591155781E-12 -4.594165709963352E-12 3.937643166693756E-8 -1.12305213647001E-8 2.063101439468495E-8 -1.822969577324449E-10
i -8.354852364449849E-14 2.749749408329197E-13 2.656866901753969E-11 1.896430333297593E-10 -1.822969577324449E-10 7.271222955407441E-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 17.2   n/a MPO437715  

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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