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JPL Small-Body Database Browser
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305346 (2008 AP134)
Classification: Main-belt Asteroid          SPK-ID: 2305346
[ 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07519801698867805 8.2806e-08  
a 3.022238897687065 5.1756e-08 au
q 2.79497252571495 2.6491e-07 au
i 12.70566262995133 6.6157e-06 deg
node 88.5448754694077 4.053e-05 deg
peri 130.1377123961838 6.5409e-05 deg
M 33.25873577607942 5.388e-05 deg
tp 2458823.205668976934
(2019-Dec-05.70566898)		 0.00028644 TDB
period 1919.073520954727
5.25		 4.9297e-05
1.35e-07		 d
yr
n .1875905201489635 4.8188e-09 deg/d
Q 3.249505269659181 5.5648e-08 au
   Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      5962 days (16.32 yr)  
   first obs. used      2003-02-01  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:53:46  

Additional Information
 Earth MOID = 1.80309 au 
 Jupiter MOID = 1.82305 au 
 T_jup = 3.204 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457391.5 (2016-Jan-04.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07432933879626516 8.2981e-08  
q 2.797364718376386 2.6611e-07 au
tp 2456899.704001547034
(2014-Aug-30.20400155)		 0.00028258 TDB
node 88.56158302706081 4.0541e-05 deg
peri 129.1868723103894 6.558e-05 deg
i 12.70385142096191 6.6149e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      5962 days (16.32 yr)  
   first obs. used      2003-02-01  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:53:46  

Additional Information
 Jupiter MOID = 1.82305 au 
 T_jup = 3.204 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.885917164549506E-15 -2.172701914783405E-14 -8.914510569326843E-12 4.471200314290297E-14 -1.560054967754186E-12 -3.753144496660822E-15
q -2.172701914783405E-14 7.081205123886532E-14 2.700648873227056E-11 -1.408773186643236E-13 4.81850991571394E-12 1.661659825923208E-14
tp -8.914510569326843E-12 2.700648873227056E-11 7.985381118342183E-8 -1.647740509358443E-10 1.469388839496121E-8 2.686750148437094E-11
node 4.471200314290297E-14 -1.408773186643236E-13 -1.647740509358443E-10 1.643603906486485E-9 -1.632356071176236E-9 -2.807844806911783E-11
peri -1.560054967754186E-12 4.81850991571394E-12 1.469388839496121E-8 -1.632356071176236E-9 4.300794111685497E-9 3.247108628096061E-11
i -3.753144496660822E-15 1.661659825923208E-14 2.686750148437094E-11 -2.807844806911783E-11 3.247108628096061E-11 4.37565787454014E-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 15.8   n/a MPO433967  

305346 (2008 AP134)          Discovered 2008-Jan-05 by BATTeRS at Bisei SG Center
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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