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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08555039106022558 4.8144e-08  
a 2.37503299047763 1.9151e-08 AU
q 2.171847989361332 1.1543e-07 AU
i 6.221836693486755 6.6333e-06 deg
node 311.8773688720605 5.2274e-05 deg
peri 309.3521745056782 7.3454e-05 deg
M 293.3141700617394 5.4139e-05 deg
tp 2457248.147504785480
(2015-Aug-13.64750479)
0.00020116 JED
period 1336.912231658706
3.66
1.617e-05
4.427e-08
d
yr
n .2692772131745315 3.257e-09 deg/d
Q 2.578217991593928 2.079e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      969  
   data-arc span      9455 days (25.89 yr)  
   first obs. used      1989-03-07  
   last obs. used      2015-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48319  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:36:35  

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
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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