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305619 (2009 AP23)
Classification: Main-belt Asteroid          SPK-ID: 2305619
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699629729893677 5.1777e-08  
a 2.643003400109272 2.4134e-08 au
q 2.193790684605692 1.2919e-07 au
i 13.68468816899431 5.0697e-06 deg
node 110.2800708555776 2.6931e-05 deg
peri 167.632618646901 3.4979e-05 deg
M 122.8775573512856 2.7354e-05 deg
tp 2458664.808101491276
(2019-Jun-30.30810149)
0.00011394 TDB
period 1569.441056773441
4.30
2.1496e-05
5.885e-08
d
yr
n .2293810260960749 3.1418e-09 deg/d
Q 3.092216115612851 2.8235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      6787 days (18.58 yr)  
   first obs. used      2002-06-08  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63449  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:55:52  

Additional Information
 Earth MOID = 1.17727 au 
 Jupiter MOID = 2.07496 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457501.5 (2016-Apr-23.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699082442310461 5.1645e-08  
q 2.194395423640281 1.2885e-07 au
tp 2457096.616467000369
(2015-Mar-15.11646700)
0.00010023 TDB
node 110.3075868538984 2.6955e-05 deg
peri 167.9264816396111 3.5038e-05 deg
i 13.67782346565053 5.0671e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      6787 days (18.58 yr)  
   first obs. used      2002-06-08  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63449  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:55:52  

Additional Information
 Jupiter MOID = 2.07496 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.667178704178219E-15 -6.589695941151662E-15 1.119131682211538E-12 3.644753273889543E-15 1.839201551198785E-13 1.633596276754505E-15
q -6.589695941151662E-15 1.660196702194819E-14 -1.787374082485775E-12 -1.012496587505828E-14 -2.270574187080507E-13 -4.223192808001326E-15
tp 1.119131682211538E-12 -1.787374082485775E-12 1.004634468670184E-8 -1.427892762803772E-11 2.297254492020005E-9 -1.428231691039892E-12
node 3.644753273889543E-15 -1.012496587505828E-14 -1.427892762803772E-11 7.265795336416101E-10 -7.083269584170519E-10 -8.238122397669978E-12
peri 1.839201551198785E-13 -2.270574187080507E-13 2.297254492020005E-9 -7.083269584170519E-10 1.227640226911247E-9 7.693336071324096E-12
i 1.633596276754505E-15 -4.223192808001326E-15 -1.428231691039892E-12 -8.238122397669978E-12 7.693336071324096E-12 2.567511614215403E-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 15.98   n/a MPCxxxxx  

305619 (2009 AP23)          Discovered 2009-Jan-03 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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