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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903067099706288 4.6777e-08  
a 2.727805596326075 1.5524e-08 au
q 2.20868588784979 1.3085e-07 au
i 3.794841533734962 4.8776e-06 deg
node 108.2762182081073 7.5577e-05 deg
peri 284.0012300798687 7.6647e-05 deg
M 283.9517862731182 1.3557e-05 deg
tp 2458948.120250074731
(2020-Apr-08.62025007)
6.3327e-05 TDB
period 1645.57829689913
4.51
1.4047e-05
3.846e-08
d
yr
n .2187680772640059 1.8675e-09 deg/d
Q 3.246925304802359 1.8478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      9363 days (25.63 yr)  
   first obs. used      1994-01-07  
   last obs. used      2019-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:28:07  

Additional Information
 Earth MOID = 1.21781 au 
 Jupiter MOID = 2.19484 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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