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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457140.5 (2015-Apr-28.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03666478565632914 5.1871e-08  
q 2.968537963037722 1.5235e-07 au
tp 2456525.467138010800
(2013-Aug-20.96713801)
0.00044594 TDB
node 132.2633666567549 2.6588e-05 deg
peri 93.22828455389303 8.8111e-05 deg
i 10.84059359228287 4.5961e-06 deg
  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
 Jupiter MOID = 1.85301 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.690633508415895E-15 -7.826491561837149E-15 4.059319934063129E-12 -1.503478118196732E-14 8.346843887814372E-13 -5.710470815721157E-15
q -7.826491561837149E-15 2.321087210052463E-14 -1.536215091459471E-11 4.192398908017985E-14 -3.068266834385025E-12 1.838274541448833E-14
tp 4.059319934063129E-12 -1.536215091459471E-11 1.98866355886109E-7 -8.85588504678929E-11 3.748714247790948E-8 -3.506127400678638E-11
node -1.503478118196732E-14 4.192398908017985E-14 -8.85588504678929E-11 7.069483229342301E-10 -7.115428242607063E-10 -2.613922418941741E-11
peri 8.346843887814372E-13 -3.068266834385025E-12 3.748714247790948E-8 -7.115428242607063E-10 7.763525199777553E-9 1.908755461533465E-11
i -5.710470815721157E-15 1.838274541448833E-14 -3.506127400678638E-11 -2.613922418941741E-11 1.908755461533465E-11 2.11243374873109E-11

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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