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305319 (2008 AQ64)
Classification: Main-belt Asteroid          SPK-ID: 2305319
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810629107474839 6.7553e-08  
a 3.07111178225226 3.4825e-08 au
q 2.515047343726773 2.0653e-07 au
i 6.365395413059894 6.7122e-06 deg
node 279.1566599278282 6.513e-05 deg
peri 245.5444095991384 6.8079e-05 deg
M 83.45563364219305 1.6804e-05 deg
tp 2458544.783218771563
(2019-Mar-02.28321877)
9.1983e-05 TDB
period 1965.811462718244
5.38
3.3438e-05
9.155e-08
d
yr
n .1831304816496526 3.115e-09 deg/d
Q 3.627176220777747 4.1131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      5857 days (16.04 yr)  
   first obs. used      2003-03-28  
   last obs. used      2019-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:23:14  

Additional Information
 Earth MOID = 1.53122 au 
 Jupiter MOID = 1.44961 au 
 T_jup = 3.196 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457423.5 (2016-Feb-05.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812273265838696 6.7504e-08  
q 2.512710721398763 2.0701e-07 au
tp 2456578.508449689308
(2013-Oct-13.00844969)
9.9566e-05 TDB
node 279.1935779681939 6.517e-05 deg
peri 244.949136435762 6.8104e-05 deg
i 6.364543384859746 6.7109e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      5857 days (16.04 yr)  
   first obs. used      2003-03-28  
   last obs. used      2019-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:23:14  

Additional Information
 Jupiter MOID = 1.44961 au 
 T_jup = 3.196 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.556747413685279E-15 -1.383782019904653E-14 -8.025137026686769E-13 1.224975874683891E-14 -2.206941091362735E-13 -9.698508944296895E-15
q -1.383782019904653E-14 4.285207905975099E-14 1.341210714543542E-12 -3.613858183174862E-14 5.285016029938258E-13 2.895402015672235E-14
tp -8.025137026686769E-13 1.341210714543542E-12 9.913305233347392E-9 -1.570358103441212E-11 2.015050987592582E-9 1.097447593809648E-12
node 1.224975874683891E-14 -3.613858183174862E-14 -1.570358103441212E-11 4.247100943064005E-9 -4.224378706423265E-9 8.914616936925345E-11
peri -2.206941091362735E-13 5.285016029938258E-13 2.015050987592582E-9 -4.224378706423265E-9 4.638120255199503E-9 -8.854086884107311E-11
i -9.698508944296895E-15 2.895402015672235E-14 1.097447593809648E-12 8.914616936925345E-11 -8.854086884107311E-11 4.503586191048073E-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 16.1   n/a MPO433967  

305319 (2008 AQ64)          Discovered 2008-Jan-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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