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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08554288689047665 4.843e-08  
a 2.376058865088417 1.9633e-08 AU
q 2.172803930347044 1.1572e-07 AU
i 6.221623210588616 6.699e-06 deg
node 311.8771821896792 5.2306e-05 deg
peri 309.0500634101381 7.4242e-05 deg
M 239.7873225135888 5.557e-05 deg
tp 2457247.216495953893
(2015-Aug-12.71649595)
0.00020691 JED
period 1337.778526408582
3.66
1.6581e-05
4.54e-08
d
yr
n .2691028394411897 3.3354e-09 deg/d
Q 2.579313799829789 2.1313e-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 = 1.1631 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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