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123748 (2001 AJ26)
Classification: Main-belt Asteroid          SPK-ID: 2123748
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09409764905990607 8.2155e-08  
a 2.724915436053394 2.9052e-08 au
q 2.468507299633721 2.2006e-07 au
i 14.25908313022314 9.4148e-06 deg
node 312.8121488475045 2.655e-05 deg
peri 167.0701581899565 6.143e-05 deg
M 92.51850268228939 5.4498e-05 deg
tp 2458578.265160232113
(2019-Apr-04.76516023)
0.00024587 TDB
period 1642.963708982907
4.50
2.6275e-05
7.194e-08
d
yr
n .2191162215158494 3.5042e-09 deg/d
Q 2.981323572473067 3.1786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      7081 days (19.39 yr)  
   first obs. used      2000-12-06  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:03:15  

Additional Information
 Earth MOID = 1.48577 au 
 Jupiter MOID = 2.09066 au 
 T_jup = 3.306 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO338122  
diameter diameter 2.330 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123748 (2001 AJ26)          Discovered 2001-Jan-05 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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