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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08555038748565141 4.7822e-08  
a 2.375032987598757 1.8592e-08 AU
q 2.171847995218479 1.1508e-07 AU
i 6.221835567043138 6.4692e-06 deg
node 311.8773677108634 5.2248e-05 deg
peri 309.3521662431215 7.1767e-05 deg
M 293.3141814217258 5.0886e-05 deg
tp 2457248.147462148247
(2015-Aug-13.64746215)
0.00018882 JED
period 1336.912229227918
3.66
1.5699e-05
4.298e-08
d
yr
n .2692772136641342 3.162e-09 deg/d
Q 2.578217979979034 2.0183e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      972  
   data-arc span      9511 days (26.04 yr)  
   first obs. used      1989-03-07  
   last obs. used      2015-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48296  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:45:46  

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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