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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133852291950199 3.7718e-08  
a 3.962563558204472 3.3206e-08 au
q 3.432165343940468 1.4376e-07 au
i 4.428870342552188 4.3991e-06 deg
node 161.2574671139072 5.3107e-05 deg
peri 312.497643517123 5.58e-05 deg
M 150.0093720693838 1.9229e-05 deg
tp 2458195.954342872584
(2018-Mar-18.45434287)
0.00014858 TDB
period 2881.129562798023
7.89
3.6216e-05
9.915e-08
d
yr
n .1249509930578701 1.5706e-09 deg/d
Q 4.492961772468477 3.7651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1396  
   data-arc span      10015 days (27.42 yr)  
   first obs. used      1994-01-12  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54006  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:53:13  

Additional Information
 Earth MOID = 2.45122 au 
 Jupiter MOID = .65515 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 ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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