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214974 (2008 AX56)
Classification: Main-belt Asteroid          SPK-ID: 2214974
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0447571163483198 5.0998e-08  
a 2.769391010357664 3.1461e-08 au
q 2.645441054693095 1.4787e-07 au
i 4.957620394099144 6.7808e-06 deg
node 134.3165882710308 7.5017e-05 deg
peri 157.0913572695282 0.00011664 deg
M 74.55863343997305 8.7283e-05 deg
tp 2458651.865563366293
(2019-Jun-17.36556337)
0.00040848 TDB
period 1683.351630756229
4.61
2.8685e-05
7.854e-08
d
yr
n .213859061542759 3.6443e-09 deg/d
Q 2.893340966022233 3.2869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      5536 days (15.16 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:21:41  

Additional Information
 Earth MOID = 1.63016 au 
 Jupiter MOID = 2.18944 au 
 T_jup = 3.331 
[ 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 16.2   n/a MPO440134  
diameter diameter 4.071 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214974 (2008 AX56)          Discovered 2008-Jan-11 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2008 AX56 = 2004 EH85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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