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11951 (1994 AJ3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2011951
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342424336617593 3.7748e-08  
a 3.961629027404859 3.3492e-08 au
q 3.429810305500963 1.4398e-07 au
i 4.428774911225733 4.4252e-06 deg
node 161.2644244879723 5.3157e-05 deg
peri 312.5096287206451 5.5843e-05 deg
M 125.4621955877547 1.9079e-05 deg
tp 2458196.763962069256
(2018-Mar-19.26396207)		 0.00014841 TDB
period 2880.110394707101
7.89		 3.6523e-05
9.999e-08		 d
yr
n .1249952087467157 1.5851e-09 deg/d
Q 4.493447749308756 3.7988e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1377  
   data-arc span      9714 days (26.60 yr)  
   first obs. used      1994-01-12  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5406  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:02:52  

Additional Information
 Earth MOID = 2.44837 au 
 Jupiter MOID = .654909 au 
 T_jup = 3.038 
[ 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 13.06   n/a E2021B10  
diameter diameter 15.014 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.054   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

11951 (1994 AJ3)          Discovered 1994-Jan-12 by Farra d'Isonzo at Farra d'Isonzo
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
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