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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .134528888238377 3.8574e-08  
a 3.961202283201336 3.4064e-08 au
q 3.428306143954939 1.4847e-07 au
i 4.42883668296696 4.6362e-06 deg
node 161.2703152902701 5.3547e-05 deg
peri 312.5025217479185 5.6238e-05 deg
M 100.4329065895417 1.9014e-05 deg
tp 2458197.135773654934
(2018-Mar-19.63577366)
0.00014884 TDB
period 2879.6450417013
7.88
3.7145e-05
1.017e-07
d
yr
n .125015408075195 1.6126e-09 deg/d
Q 4.494098422447732 3.8647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      9652 days (26.43 yr)  
   first obs. used      1994-01-12  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54245  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:22:02  

Additional Information
 Earth MOID = 2.44697 au 
 Jupiter MOID = .654874 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 13.0   n/a MPO347619  
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 ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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