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JPL Small-Body Database Browser
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39272 (2001 AB23)
Classification: Main-belt Asteroid          SPK-ID: 2039272
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03865354029073495 6.6364e-08  
a 3.083513014973835 2.8603e-08 au
q 2.964324320412539 2.0949e-07 au
i 10.84052045054487 6.8235e-06 deg
node 132.1891799307101 3.2081e-05 deg
peri 92.92608505494138 9.5417e-05 deg
M 18.5520412898648 8.9785e-05 deg
tp 2458498.580729359990
(2019-Jan-15.08072936)
0.00049309 TDB
period 1977.7304748911
5.41
2.7519e-05
7.534e-08
d
yr
n .1820268254802631 2.5328e-09 deg/d
Q 3.202701709535132 2.9709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      8572 days (23.47 yr)  
   first obs. used      1995-11-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56539  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:07:46  

Additional Information
 Earth MOID = 1.98033 au 
 Jupiter MOID = 1.85587 au 
 T_jup = 3.198 
[ 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 14.2   n/a PDS3 (MPO 26800)  
diameter diameter 6.072 km 0.425 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.110   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

39272 (2001 AB23)          Discovered 2001-Jan-03 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 AB23 = 1995 WE37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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