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469016 (2015 AK231)
Classification: Main-belt Asteroid          SPK-ID: 2469016
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619505901054359 5.0144e-08  
a 2.266749512641832 1.7658e-08 au
q 1.899648091448278 1.2009e-07 au
i 5.783184641345215 5.6273e-06 deg
node 269.6887229569854 6.0305e-05 deg
peri 179.8551306095246 6.7628e-05 deg
M 236.9538191845196 2.8558e-05 deg
tp 2459426.558624540588
(2021-Jul-31.05862454)
0.00010048 TDB
period 1246.532836842952
3.41
1.4566e-05
3.988e-08
d
yr
n .2888010563057117 3.3746e-09 deg/d
Q 2.633850933835385 2.0517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      7190 days (19.69 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56546  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 01:42:20  

Additional Information
 Earth MOID = .916166 au 
 Jupiter MOID = 2.55938 au 
 T_jup = 3.592 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457369.5 (2015-Dec-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1626659513857942 5.0353e-08  
q 1.89721604209085 1.2071e-07 au
tp 2456932.592612852904
(2014-Oct-02.09261285)
9.2771e-05 TDB
node 269.715116915509 6.0314e-05 deg
peri 179.4509395007877 6.7539e-05 deg
i 5.783572272852699 5.6303e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      7190 days (19.69 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56546  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 01:42:20  

Additional Information
 Jupiter MOID = 2.55938 au 
 T_jup = 3.592 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.535416525392016E-15 -6.039903680338542E-15 -1.025640033733603E-12 -3.107977429607591E-14 -3.452070413833461E-13 -7.208300101976559E-15
q -6.039903680338542E-15 1.457099625207717E-14 2.451511722754389E-12 7.840676132497385E-14 8.450074594276621E-13 1.767778362543111E-14
tp -1.025640033733603E-12 2.451511722754389E-12 8.606546661776846E-9 1.733808378308073E-10 2.851194598389058E-9 1.401757810543253E-12
node -3.107977429607591E-14 7.840676132497385E-14 1.733808378308073E-10 3.637762543575641E-9 -3.557698745523145E-9 -6.319801492450639E-11
peri -3.452070413833461E-13 8.450074594276621E-13 2.851194598389058E-9 -3.557698745523145E-9 4.56146645691939E-9 6.351240305955356E-11
i -7.208300101976559E-15 1.767778362543111E-14 1.401757810543253E-12 -6.319801492450639E-11 6.351240305955356E-11 3.170016239291948E-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 17.6   n/a MPO434685  

469016 (2015 AK231)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: Last Updated: 2016-06-21

Alternate Designations
 2015 AK231 = 2000 WO75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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