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413948 (2007 AK7)
Classification: Main-belt Asteroid          SPK-ID: 2413948
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129697304292932 1.0437e-07  
a 2.588541065218583 2.0954e-08 au
q 2.252814267008178 2.7699e-07 au
i 4.237735554502083 5.125e-06 deg
node 128.8342410051196 0.00012116 deg
peri 302.9685274296723 0.00012979 deg
M 107.5161420137504 4.5353e-05 deg
tp 2458546.190114340056
(2019-Mar-03.69011434)
0.00018911 TDB
period 1521.181431683652
4.16
1.8471e-05
5.057e-08
d
yr
n .2366581608885076 2.8736e-09 deg/d
Q 2.924267863428988 2.3671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:09:09  

Additional Information
 Earth MOID = 1.27091 au 
 Jupiter MOID = 2.3285 au 
 T_jup = 3.405 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457169.5 (2015-May-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283868818930287 1.0306e-07  
q 2.257239269692376 2.7275e-07 au
tp 2457026.261082610085
(2015-Jan-03.76108261)
0.00018564 TDB
node 128.8697930858671 0.00012104 deg
peri 303.476604930416 0.00012997 deg
i 4.238502467213682 5.1275e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:09:09  

Additional Information
 Jupiter MOID = 2.3285 au 
 T_jup = 3.405 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.062040909170263E-14 -2.805301810237879E-14 -1.515787610940063E-11 -4.060177905967923E-13 -3.897119416056758E-12 -1.717439760086948E-14
q -2.805301810237879E-14 7.439183808140724E-14 4.030837374354952E-11 1.077892328862034E-12 1.036458646022258E-11 4.583755665833832E-14
tp -1.515787610940063E-11 4.030837374354952E-11 3.446330709904343E-8 7.071302758405944E-10 8.937538035824337E-9 2.49270861704606E-11
node -4.060177905967923E-13 1.077892328862034E-12 7.071302758405944E-10 1.464953210892941E-8 -1.440995692171875E-8 -1.414443187843271E-11
peri -3.897119416056758E-12 1.036458646022258E-11 8.937538035824337E-9 -1.440995692171875E-8 1.689097833081567E-8 2.117059714747376E-11
i -1.717439760086948E-14 4.583755665833832E-14 2.49270861704606E-11 -1.414443187843271E-11 2.117059714747376E-11 2.629152262125423E-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 17.3   n/a MPO460573  

413948 (2007 AK7)          Discovered 2007-Jan-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-11-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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