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249368 (2009 AX1)
Classification: Main-belt Asteroid          SPK-ID: 2249368
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162552640352968 6.0007e-08  
a 3.150121599390019 4.7823e-08 au
q 2.783903381109641 1.9857e-07 au
i 7.264392990237653 8.5278e-06 deg
node 322.9507185669019 4.3505e-05 deg
peri 143.8437414343862 5.8688e-05 deg
M 12.86173026015422 3.8845e-05 deg
tp 2458927.539752075355
(2020-Mar-19.03975208)
0.00021968 TDB
period 2042.158303867055
5.59
4.6504e-05
1.273e-07
d
yr
n .1762840810716289 4.0143e-09 deg/d
Q 3.516339817670397 5.3382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      8467 days (23.18 yr)  
   first obs. used      1996-11-17  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59182  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:33  

Additional Information
 Earth MOID = 1.80464 au 
 Jupiter MOID = 1.60049 au 
 T_jup = 3.185 
[ show covariance matrix ]

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 15.6   n/a MPO418331  
diameter diameter 4.264 km 0.697 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249368 (2009 AX1)          Discovered 2009-Jan-04 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 AX1 = 2004 FH48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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