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469023 (2015 AK243)
Classification: Main-belt Asteroid          SPK-ID: 2469023
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08474987734228927 7.6396e-08  
a 3.069843522213852 5.0715e-08 au
q 2.809674660246207 2.3943e-07 au
i 11.74656508776341 8.4986e-06 deg
node 99.26766372988038 3.069e-05 deg
peri 21.26297645353826 6.0611e-05 deg
M 23.87218308382927 4.6267e-05 deg
tp 2458870.224598271766
(2020-Jan-21.72459827)
0.00025309 TDB
period 1964.593873022585
5.38
4.8684e-05
1.333e-07
d
yr
n .1832439798084728 4.5409e-09 deg/d
Q 3.330012384181497 5.5013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      5348 days (14.64 yr)  
   first obs. used      2005-06-13  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:52:57  

Additional Information
 Earth MOID = 1.82932 au 
 Jupiter MOID = 1.7972 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457742.5 (2016-Dec-20.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08550326457203697 7.6237e-08  
q 2.805902469756727 2.3903e-07 au
tp 2456908.716137469159
(2014-Sep-08.21613747)
0.00026427 TDB
node 99.28316135381041 3.0694e-05 deg
peri 21.70256640496912 6.0284e-05 deg
i 11.74772936006297 8.4995e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      5348 days (14.64 yr)  
   first obs. used      2005-06-13  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:52:57  

Additional Information
 Jupiter MOID = 1.7972 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.812135357636792E-15 -1.788064389477492E-14 -3.850784659082188E-12 2.753927008973384E-14 -8.95512526488929E-13 -1.079142535216919E-14
q -1.788064389477492E-14 5.713763244336444E-14 7.366284143856672E-12 -8.655716835401523E-14 2.063421581358345E-12 3.886277416333964E-14
tp -3.850784659082188E-12 7.366284143856672E-12 6.983788341689149E-8 2.475174003232992E-11 1.369438628176752E-8 -9.86009513705236E-12
node 2.753927008973384E-14 -8.655716835401523E-14 2.475174003232992E-11 9.421476939432841E-10 -9.177338387506745E-10 4.637412816469102E-11
peri -8.95512526488929E-13 2.063421581358345E-12 1.369438628176752E-8 -9.177338387506745E-10 3.634139341677226E-9 -4.652345156865444E-11
i -1.079142535216919E-14 3.886277416333964E-14 -9.86009513705236E-12 4.637412816469102E-11 -4.652345156865444E-11 7.22409331917139E-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 16.5   n/a MPO380612  

469023 (2015 AK243)          Discovered 2008-Nov-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

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