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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04542205667342078 5.0969e-08  
a 2.771202130147874 3.206e-08 au
q 2.645328429938793 1.481e-07 au
i 4.956073127051501 6.7779e-06 deg
node 134.3212129496908 7.5044e-05 deg
peri 157.2436415064396 0.00011567 deg
M 348.875192237445 8.6072e-05 deg
tp 2458652.570380041418
(2019-Jun-18.07038004)
0.00040282 TDB
period 1685.003212190798
4.61
2.9241e-05
8.006e-08
d
yr
n .2136494443425643 3.7076e-09 deg/d
Q 2.897075830356955 3.3517e-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 = 1.62935 au 
 Jupiter MOID = 2.18783 au 
 T_jup = 3.330 
[ 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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