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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03929304177051377 5.0941e-08  
a 3.080598122070453 2.371e-08 au
q 2.959552051381773 1.4997e-07 au
i 10.85828254966549 4.6037e-06 deg
node 132.1207332683191 2.6512e-05 deg
peri 90.56045003001664 8.3818e-05 deg
M 93.68956225198633 7.5537e-05 deg
tp 2458486.527709918673
(2019-Jan-03.02770992)
0.00041559 TDB
period 1974.926768593742
5.41
2.28e-05
6.242e-08
d
yr
n .182285240002261 2.1044e-09 deg/d
Q 3.201644192759134 2.4641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      8677 days (23.76 yr)  
   first obs. used      1995-11-21  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:08:57  

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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