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13054 (1990 ST15)
Classification: Main-belt Asteroid          SPK-ID: 2013054
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08555038972281367 4.8461e-08  
a 2.375032989706221 1.9495e-08 AU
q 2.171847991832315 1.1585e-07 AU
i 6.221836849105728 6.7001e-06 deg
node 311.8773686864248 5.2312e-05 deg
peri 309.3521718292426 7.4263e-05 deg
M 293.3141734485109 5.5648e-05 deg
tp 2457248.147492087559
(2015-Aug-13.64749209)
0.00020688 JED
period 1336.912231007364
3.66
1.6461e-05
4.507e-08
d
yr
n .269277213305723 3.3154e-09 deg/d
Q 2.578217987580127 2.1163e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      9084 days (24.87 yr)  
   first obs. used      1989-03-07  
   last obs. used      2014-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48538  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:32:40  

Additional Information
 Earth MOID = 1.16384 AU 
 T_jup = 3.529 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO270249  

13054 (1990 ST15)          Discovered 1990-Sep-16 by Holt, H. E. at Palomar (675)
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 ST15 = 1996 AM2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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