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117398 (2005 AZ2)
Classification: Main-belt Asteroid          SPK-ID: 2117398
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1245536785252668 3.354e-08  
a 3.083976046870207 2.2714e-08 au
q 2.699855485748712 1.1129e-07 au
i 11.71982761337517 3.7328e-06 deg
node 131.1292997861815 2.4094e-05 deg
peri 328.5637197575723 3.2468e-05 deg
M 334.785809061728 2.2118e-05 deg
tp 2459139.050295932282
(2020-Oct-16.55029593)
0.00012215 TDB
period 1978.175966769289
5.42
2.1854e-05
5.983e-08
d
yr
n .181985832427205 2.0105e-09 deg/d
Q 3.468096607991701 2.5543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      9485 days (25.97 yr)  
   first obs. used      1994-01-18  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 16:47:24  

Additional Information
 Earth MOID = 1.72416 au 
 Jupiter MOID = 1.68007 au 
 T_jup = 3.183 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457285.5 (2015-Sep-20.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223057117688699 3.3639e-08  
q 2.708196883890629 1.1115e-07 au
tp 2457165.697822460972
(2015-May-23.19782246)
0.0001175 TDB
node 131.2428649118452 2.4045e-05 deg
peri 329.4251235808919 3.2659e-05 deg
i 11.72829667656294 3.7364e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      9485 days (25.97 yr)  
   first obs. used      1994-01-18  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 16:47:24  

Additional Information
 Jupiter MOID = 1.68007 au 
 T_jup = 3.183 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.131565761671919E-15 -3.684096201523869E-15 -6.299594267801132E-13 -2.929551779047185E-15 -9.458007577886292E-14 -2.857275517819016E-15
q -3.684096201523869E-15 1.235352803855923E-14 2.408912320220656E-12 1.302256875504242E-14 3.768637824494966E-13 1.099641301414505E-14
tp -6.299594267801132E-13 2.408912320220656E-12 1.380592475632362E-8 2.969623257757522E-11 2.637009327266852E-9 1.450634126458322E-11
node -2.929551779047185E-15 1.302256875504242E-14 2.969623257757522E-11 5.781399108397127E-10 -5.600874261125885E-10 1.574209465071142E-11
peri -9.458007577886292E-14 3.768637824494966E-13 2.637009327266852E-9 -5.600874261125885E-10 1.06663052331823E-9 -1.266225210656988E-11
i -2.857275517819016E-15 1.099641301414505E-14 1.450634126458322E-11 1.574209465071142E-11 -1.266225210656988E-11 1.39609179528692E-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 14.7   n/a MPO417611  
diameter diameter 6.476 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117398 (2005 AZ2)          Discovered 2005-Jan-06 by LINEAR at Socorro
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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