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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345288942116975 3.7812e-08  
a 3.961202279541422 3.3752e-08 au
q 3.428306117125859 1.4447e-07 au
i 4.428838195721355 4.4265e-06 deg
node 161.2703111874189 5.3392e-05 deg
peri 312.5025274165301 5.6062e-05 deg
M 100.4329057852149 1.8997e-05 deg
tp 2458197.135781202146
(2018-Mar-19.63578120)
0.00014864 TDB
period 2879.645037710371
7.88
3.6805e-05
1.008e-07
d
yr
n .1250154082484551 1.5978e-09 deg/d
Q 4.494098441956985 3.8293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1354  
   data-arc span      9714 days (26.60 yr)  
   first obs. used      1994-01-12  
   last obs. used      2020-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:56:10  

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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