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390306 (2013 AK93)
Classification: Main-belt Asteroid          SPK-ID: 2390306
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1506149661973663 7.0918e-08  
a 3.052011592198166 4.5536e-08 au
q 2.59233296940527 2.104e-07 au
i 10.17264156514092 6.6169e-06 deg
node 100.465623514369 3.9603e-05 deg
peri 298.5809770230708 4.3939e-05 deg
M 191.3260762629471 2.1879e-05 deg
tp 2459912.979554210385
(2022-Nov-29.47955421)
0.00012991 TDB
period 1947.501025871838
5.33
4.3585e-05
1.193e-07
d
yr
n .1848522774661127 4.137e-09 deg/d
Q 3.511690214991063 5.2395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      6355 days (17.40 yr)  
   first obs. used      2003-01-28  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:42:04  

Additional Information
 Earth MOID = 1.61975 au 
 Jupiter MOID = 1.93681 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457906.5 (2017-Jun-02.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1508475300491773 7.1e-08  
q 2.593130495474252 2.1078e-07 au
tp 2457967.149112858991
(2017-Aug-01.64911286)
0.00010817 TDB
node 100.4661279354739 3.9607e-05 deg
peri 298.9118623285088 4.3906e-05 deg
i 10.17084082786187 6.6161e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      6355 days (17.40 yr)  
   first obs. used      2003-01-28  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:42:04  

Additional Information
 Jupiter MOID = 1.93681 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.04103803956613E-15 -1.472442077455852E-14 2.289265137398612E-12 -2.695298135097873E-14 3.574387701058003E-13 2.056959892229279E-15
q -1.472442077455852E-14 4.442999448487405E-14 -5.596362603258822E-12 7.892944567394204E-14 -8.723894158621118E-13 -4.840423188855108E-15
tp 2.289265137398612E-12 -5.596362603258822E-12 1.170130291105243E-8 -5.357719794835154E-11 2.130474750538906E-9 1.29910655036721E-12
node -2.695298135097873E-14 7.892944567394204E-14 -5.357719794835154E-11 1.56875353219329E-9 -1.55276707932111E-9 -9.828137143623761E-11
peri 3.574387701058003E-13 -8.723894158621118E-13 2.130474750538906E-9 -1.55276707932111E-9 1.927746191108691E-9 9.691529896480262E-11
i 2.056959892229279E-15 -4.840423188855108E-15 1.29910655036721E-12 -9.828137143623761E-11 9.691529896480262E-11 4.37726198436876E-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 16.11   n/a E2020R02  

390306 (2013 AK93)          Discovered 2007-Oct-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

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