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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03929303140402682 4.7736e-08  
a 3.080598125967569 2.325e-08 au
q 2.959552087060739 1.3747e-07 au
i 10.8582812373114 4.5134e-06 deg
node 132.1207506989178 2.3956e-05 deg
peri 90.56040685427907 7.2589e-05 deg
M 93.68958619269215 6.5754e-05 deg
tp 2458486.527577606869
(2019-Jan-03.02757761)
0.00036139 TDB
period 1974.926772341318
5.41
2.2358e-05
6.121e-08
d
yr
n .1822852396563606 2.0636e-09 deg/d
Q 3.201644164874399 2.4164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      9017 days (24.69 yr)  
   first obs. used      1995-11-21  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55768  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:33:03  

Additional Information
 Earth MOID = 1.97682 au 
 Jupiter MOID = 1.85301 au 
 T_jup = 3.199 
[ 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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