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JPL Small-Body Database Browser
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136616 (1994 AJ12)
Classification: Main-belt Asteroid          SPK-ID: 2136616
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904051781097891 4.4833e-08  
a 2.727344787045127 1.4933e-08 au
q 2.208044217100995 1.2658e-07 au
i 3.795067433366254 4.7279e-06 deg
node 108.2769360564783 7.3948e-05 deg
peri 284.0997270650461 7.5063e-05 deg
M 11.40091086576582 1.3618e-05 deg
tp 2458948.399061921030
(2020-Apr-08.89906192)
6.2038e-05 TDB
period 1645.161332218634
4.50
1.3512e-05
3.699e-08
d
yr
n .2188235238391548 1.7972e-09 deg/d
Q 3.246645356989259 1.7776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      9430 days (25.82 yr)  
   first obs. used      1994-01-07  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59156  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 12:23:11  

Additional Information
 Earth MOID = 1.21784 au 
 Jupiter MOID = 2.197 au 
 T_jup = 3.326 
[ 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 15.9   n/a MPO348281  

136616 (1994 AJ12)          Discovered 1994-Jan-11 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1994 AJ12 = 2001 QE290 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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