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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102357307304263 4.2303e-08  
a 2.771455837755936 2.0462e-08 au
q 2.487777080890558 1.2174e-07 au
i 15.29320962790314 7.4633e-06 deg
node 169.781975699044 1.6491e-05 deg
peri 260.9237459526406 4.1846e-05 deg
M 79.62040805068388 3.7774e-05 deg
tp 2457227.780367645298
(2015-Jul-24.28036765)
0.00017655 JED
period 1685.234614249635
4.61
1.8664e-05
5.11e-08
d
yr
n .213620107821185 2.3658e-09 deg/d
Q 3.055134594621314 2.2557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1221  
   data-arc span      9905 days (27.12 yr)  
   first obs. used      1989-03-06  
   last obs. used      2016-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49746  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:25:23  

Additional Information
 Earth MOID = 1.55321 au 
 Jupiter MOID = 2.25834 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 13.1 mag n/a MPO309283  
rotation period rot_per 16.193 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Incomplete or inconclusive result.
Published Reference List:
[Shevchenko, V.G.; Slyusarev, I.G.; Belskaya, I.N.; Checha, V.A.; et al. (2015) 46th L.P.S.C. #1832, p. 1509.]

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

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