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312258 (2008 AE13)
Classification: Main-belt Asteroid          SPK-ID: 2312258
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183796953181121 5.8469e-08  
a 2.615305457128194 2.474e-08 au
q 2.305706393949563 1.5343e-07 au
i 12.52354158438424 6.7481e-06 deg
node 286.3592456592147 2.7713e-05 deg
peri 352.7419265932759 3.8985e-05 deg
M 180.2671384660896 2.7906e-05 deg
tp 2459771.771076049511
(2022-Jul-11.27107605)
0.0001212 TDB
period 1544.834845493394
4.23
2.1921e-05
6.002e-08
d
yr
n .2330346192346679 3.3067e-09 deg/d
Q 2.924904520306825 2.7669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      7011 days (19.20 yr)  
   first obs. used      2001-08-10  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6167  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:48:02  

Additional Information
 Earth MOID = 1.28974 au 
 Jupiter MOID = 2.22947 au 
 T_jup = 3.364 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457588.5 (2016-Jul-19.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194536899996268 5.8355e-08  
q 2.301756455898385 1.5329e-07 au
tp 2458226.691025268292
(2018-Apr-18.19102527)
0.0001184 TDB
node 286.4448920867169 2.7721e-05 deg
peri 352.6707618956773 3.8872e-05 deg
i 12.52352585367325 6.7494e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      7011 days (19.20 yr)  
   first obs. used      2001-08-10  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6167  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:48:02  

Additional Information
 Jupiter MOID = 2.22947 au 
 T_jup = 3.364 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.405283761059578E-15 -8.854875899953655E-15 2.063231607346525E-12 1.796694622132384E-14 3.887906514788957E-13 4.428159203395581E-16
q -8.854875899953655E-15 2.349696179299698E-14 -5.407287790911587E-12 -4.451846210943389E-14 -1.071757730047417E-12 1.34389737929835E-15
tp 2.063231607346525E-12 -5.407287790911587E-12 1.401878091975087E-8 7.59752962322001E-12 3.245679003583512E-9 -4.565169142265187E-13
node 1.796694622132384E-14 -4.451846210943389E-14 7.59752962322001E-12 7.684448988591446E-10 -7.485973033965678E-10 3.831589060050494E-11
peri 3.887906514788957E-13 -1.071757730047417E-12 3.245679003583512E-9 -7.485973033965678E-10 1.510999198599297E-9 -3.785849777679853E-11
i 4.428159203395581E-16 1.34389737929835E-15 -4.565169142265187E-13 3.831589060050494E-11 -3.785849777679853E-11 4.555487439530806E-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 16.2   n/a MPO450243  

312258 (2008 AE13)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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