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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07462185922917389 8.5861e-08  
a 3.020360740703688 5.3067e-08 au
q 2.794975806689574 2.7279e-07 au
i 12.70674881484763 6.617e-06 deg
node 88.54310834810718 4.5303e-05 deg
peri 129.8889176826247 7.1479e-05 deg
M 318.4014855643741 5.68e-05 deg
tp 2458822.045009890224
(2019-Dec-04.54500989)
0.00030323 TDB
period 1917.2848992938
5.25
5.0529e-05
1.383e-07
d
yr
n .1877655220320152 4.9485e-09 deg/d
Q 3.245745674717802 5.7027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   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      .62428  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:38  

Additional Information
 Earth MOID = 1.80326 au 
 Jupiter MOID = 1.82693 au 
 T_jup = 3.205 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457339.5 (2015-Nov-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07430169648985618 8.623e-08  
q 2.797364706977227 2.7387e-07 au
tp 2456899.589831895551
(2014-Aug-30.08983190)
0.00030017 TDB
node 88.56297593328462 4.531e-05 deg
peri 129.1635240493385 7.1371e-05 deg
i 12.70415654763998 6.6154e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      163  
   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      .62428  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:38  

Additional Information
 Jupiter MOID = 1.82693 au 
 T_jup = 3.205 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.435635892224403E-15 -2.32458506743377E-14 -1.12794563256958E-11 6.308007661995634E-14 -2.033286697703758E-12 -4.078113903141979E-15
q -2.32458506743377E-14 7.500644101771079E-14 3.354305098806838E-11 -1.947106912253497E-13 6.129655454265278E-12 1.752944702631716E-14
tp -1.12794563256958E-11 3.354305098806838E-11 9.010237190222373E-8 -2.303699373619382E-10 1.673179013212714E-8 2.835414204974534E-11
node 6.308007661995634E-14 -1.947106912253497E-13 -2.303699373619382E-10 2.052982843055926E-9 -2.043645242623708E-9 -2.665461989923211E-11
peri -2.033286697703758E-12 6.129655454265278E-12 1.673179013212714E-8 -2.043645242623708E-9 5.093845573839445E-9 3.137135002242025E-11
i -4.078113903141979E-15 1.752944702631716E-14 2.835414204974534E-11 -2.665461989923211E-11 3.137135002242025E-11 4.376395217093225E-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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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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