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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020781878685823 4.5755e-08  
a 2.769975698590141 2.1739e-08 au
q 2.487221598838049 1.3352e-07 au
i 15.29303612538903 7.8703e-06 deg
node 169.7829755474057 1.6809e-05 deg
peri 260.6787749348724 4.4059e-05 deg
M 37.13186502742716 4.0892e-05 deg
tp 2457226.817273681099
(2015-Jul-23.31727368)
0.0001909 JED
period 1683.884755818759
4.61
1.9823e-05
5.427e-08
d
yr
n .2137913528559479 2.5168e-09 deg/d
Q 3.052729798342233 2.3958e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1154  
   data-arc span      9785 days (26.79 yr)  
   first obs. used      1989-03-06  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4996  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:34:13  

Additional Information
 Earth MOID = 1.55299 au 
 Jupiter MOID = 2.2615 au 
 T_jup = 3.279 
[ 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. 2015-December); 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

[ 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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