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16551 (1991 RT14)
Classification: Main-belt Asteroid          SPK-ID: 2016551
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021931423224487 5.87e-08  
a 2.770575975067137 3.3533e-08 AU
q 2.487442110131944 1.592e-07 AU
i 15.29131346766119 8.3777e-06 deg
node 169.7826568193357 2.2491e-05 deg
peri 260.4528012231092 4.8891e-05 deg
M 269.0731626248363 4.6467e-05 deg
tp 2457225.944690113493
(2015-Jul-22.44469011)
0.00022082 JED
period 1684.432152950834
4.61
3.0581e-05
8.373e-08
d
yr
n .2137218761642268 3.8801e-09 deg/d
Q 3.05370984000233 3.696e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      950  
   data-arc span      9245 days (25.31 yr)  
   first obs. used      1989-03-06  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49654  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:36:46  

Additional Information
 Earth MOID = 1.55295 AU 
 T_jup = 3.278 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO263495  

16551 (1991 RT14)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar (675)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RT14 = 1989 ER7 = 1998 FS22 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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