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117461 (2005 AO79)
Classification: Main-belt Asteroid          SPK-ID: 2117461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706813312185673 3.6763e-08  
a 2.594755727974841 1.6849e-08 au
q 2.151879366137092 9.295e-08 au
i 2.31530016236995 6.8465e-06 deg
node 43.3425348029109 0.00014077 deg
peri 222.3036032379726 0.00014316 deg
M 123.2981221509064 2.4347e-05 deg
tp 2458477.625927296482
(2018-Dec-25.12592730)
0.00010407 TDB
period 1526.662879284432
4.18
1.487e-05
4.071e-08
d
yr
n .2358084452598578 2.2968e-09 deg/d
Q 3.037632089812589 1.9725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      9664 days (26.46 yr)  
   first obs. used      1993-04-18  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56396  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:51:28  

Additional Information
 Earth MOID = 1.13675 au 
 Jupiter MOID = 2.0477 au 
 T_jup = 3.396 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457009.5 (2014-Dec-18.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1705089877218693 3.648e-08  
q 2.152719890241942 9.2174e-08 au
tp 2456952.207875210701
(2014-Oct-21.70787521)
0.00010861 TDB
node 43.35656322187072 0.00014068 deg
peri 222.6232052776747 0.00014309 deg
i 2.316482601186497 6.8493e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      9664 days (26.46 yr)  
   first obs. used      1993-04-18  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56396  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:51:28  

Additional Information
 Jupiter MOID = 2.0477 au 
 T_jup = 3.396 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.330816026333673E-15 -3.325200909769179E-15 -1.556062276693779E-12 -6.971548274662934E-15 -4.071999274702182E-13 7.44916594039308E-16
q -3.325200909769179E-15 8.496077455590472E-15 3.524155193552447E-12 1.331202511705327E-14 9.370202597045362E-13 -1.564724630297804E-15
tp -1.556062276693779E-12 3.524155193552447E-12 1.179638674514474E-8 4.899830877956021E-11 2.884169038619093E-9 -6.013674394394823E-12
node -6.971548274662934E-15 1.331202511705327E-14 4.899830877956021E-11 1.978967258037948E-8 -1.976177831389394E-8 -6.057528634916097E-10
peri -4.071999274702182E-13 9.370202597045362E-13 2.884169038619093E-9 -1.976177831389394E-8 2.04760814276493E-8 6.038251817211595E-10
i 7.44916594039308E-16 -1.564724630297804E-15 -6.013674394394823E-12 -6.057528634916097E-10 6.038251817211595E-10 4.691344463642817E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO439764  
diameter diameter 3.674 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117461 (2005 AO79)          Discovered 2005-Jan-15 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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