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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 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1940-Feb-23 06:14 00:03 Jupiter 1.87495551109696 1.8749547652207 1.87495625697727 3.10821549443469 2.95930590482078 2429682.759877231 2.87081076595112 173.141046289238 15.919081685149 77.1600527583089 3115094.60176955 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 05:09:11 2020-Feb-23 05:09
1999-Nov-18 02:58 < 00:01 Jupiter 1.90327021730884 1.9032695963953 1.9032708382226 2.8866958938841 2.72817567173507 2451500.623464694 0.701119849007778 59.5326826976489 12.2915281091337 67.9082959507025 2751571.78762526 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 05:09:11 2020-Feb-23 05:09
2009-Sep-09 05:28 < 00:01 Jupiter 1.94264507980195 1.94264452130573 1.94264563829816 4.25505996731234 4.15132571602162 2455083.727990507 0.378522180794094 51.7420055698951 25.0033400167378 -87.9843431226946 3034288.90876378 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 05:09:11 2020-Feb-23 05:09
2059-Aug-14 05:34 00:02 Jupiter 1.93324946803294 1.93324893050697 1.93325000555901 2.86474998145698 2.70749409162767 2473319.732124811 1.74574868912187 110.023429716881 18.2376287430351 86.0326633988507 2797159.80015472 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 05:09:11 2020-Feb-23 05:09
2069-May-18 15:49 00:02 Jupiter 1.90107028345844 1.90106953316039 1.90107103375833 4.02785484651634 3.9156754180745 2476885.158976020 1.84462142990152 141.319111919979 23.2903824587895 -80.9631208916005 3006980.96892854 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 05:09:11 2020-Feb-23 05:09
2119-May-09 08:00 00:04 Jupiter 1.96191212697843 1.96191147369051 1.96191278026746 3.06811387424913 2.9240137537122 2495136.833313868 3.9560126627152 147.781809086656 20.1254369499494 88.2063507799528 2381923.3928877 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 05:09:11 2020-Feb-23 05:09
2129-Jan-28 13:24 00:04 Jupiter 1.87914193325835 1.87914117617997 1.87914269034591 3.73669573271422 3.61405530605093 2498689.058444233 4.00928259219391 285.946509546119 21.5344648252037 -86.9121653666846 3002559.53522329 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 05:09:11 2020-Feb-23 05:09
2179-Jan-27 02:46 00:06 Jupiter 1.99019549300547 1.9901945253168 1.9901964606938 3.40960864829075 3.28241311287874 2516949.615351545 6.0272881376578 68.4148863896776 27.3492918793245 85.7052676152228 936098.239004594 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 05:09:11 2020-Feb-23 05:09
2188-Oct-13 11:51 00:06 Jupiter 1.87495258259089 1.87495202859776 1.87495313659179 3.39633443976935 3.26060946665229 2520496.994045539 6.34554661997137 414.502282416834 20.0955838506406 87.9956160934684 2973429.10194357 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 05:09:11 2020-Feb-23 05:09

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