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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 ]

[ hide orbit diagram ]

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 .07519804788390388 6.7919e-08  
a 3.022238881970211 4.5872e-08 au
q 2.79497241780722 2.0699e-07 au
i 12.70566182383415 6.6003e-06 deg
node 88.54490351814164 3.488e-05 deg
peri 130.1376690385724 5.7874e-05 deg
M 33.25875616852455 4.5688e-05 deg
tp 2458823.205561652711
(2019-Dec-05.70556165)		 0.00024394 TDB
period 1919.073505984799
5.25		 4.3692e-05
1.196e-07		 d
yr
n .1875905216122824 4.2709e-09 deg/d
Q 3.249505346133203 4.9321e-08 au
   Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6406 days (17.54 yr)  
   first obs. used      2003-02-01  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:12:23  

Additional Information
 Earth MOID = 1.80309 au 
 Jupiter MOID = 1.82305 au 
 T_jup = 3.204 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457589.5 (2016-Jul-20.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07438436996116506 6.8019e-08  
q 2.797463978112001 2.0741e-07 au
tp 2456900.191683680174
(2014-Aug-30.69168368)		 0.00025365 TDB
node 88.55446291051454 3.4892e-05 deg
peri 129.289004444261 5.8179e-05 deg
i 12.70318949705977 6.5991e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6406 days (17.54 yr)  
   first obs. used      2003-02-01  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:12:23  

Additional Information
 Jupiter MOID = 1.82305 au 
 T_jup = 3.204 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.626564434269564E-15 -1.380367869008737E-14 -3.017661516848778E-12 3.79459432919065E-14 -5.270509419996633E-13 1.266295374944159E-16
q -1.380367869008737E-14 4.301960056485289E-14 6.308380103499492E-12 -1.196931156528691E-13 1.194602651057653E-12 2.98037429124265E-15
tp -3.017661516848778E-12 6.308380103499492E-12 6.43383562989467E-8 -5.381210575213579E-11 1.188125311417309E-8 1.455767597449669E-11
node 3.79459432919065E-14 -1.196931156528691E-13 -5.381210575213579E-11 1.21746919567724E-9 -1.196654420030816E-9 -1.934351833850671E-11
peri -5.270509419996633E-13 1.194602651057653E-12 1.188125311417309E-8 -1.196654420030816E-9 3.384750130293733E-9 2.178799286102157E-11
i 1.266295374944159E-16 2.98037429124265E-15 1.455767597449669E-11 -1.934351833850671E-11 2.178799286102157E-11 4.35483826115216E-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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