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259179 (2003 AJ9)
Classification: Main-belt Asteroid          SPK-ID: 2259179
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .323816031239251 3.0446e-08  
a 2.632197295462847 1.4454e-08 au
q 1.779849613807378 7.7882e-08 au
i 29.37586269472174 8.0327e-06 deg
node 139.8152148171783 7.2205e-06 deg
peri 280.6627130001786 1.5546e-05 deg
M 71.5858444631192 1.2475e-05 deg
tp 2458690.329324101810
(2019-Jul-25.82932410)
5.3841e-05 TDB
period 1559.825747126252
4.27
1.2848e-05
3.518e-08
d
yr
n .2307950107011932 1.901e-09 deg/d
Q 3.484544977118316 1.9134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      6350 days (17.39 yr)  
   first obs. used      2002-12-15  
   last obs. used      2020-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:11:52  

Additional Information
 Earth MOID = .996771 au 
 Jupiter MOID = 2.37361 au 
 T_jup = 3.150 
[ 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 15.1   n/a MPO437204  
diameter diameter 2.212 km 0.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.329   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

259179 (2003 AJ9)          Discovered 2003-Jan-04 by LINEAR at Socorro
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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