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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021214283797267 4.8641e-08  
a 2.770097221676503 2.3182e-08 AU
q 2.487210936648186 1.4325e-07 AU
i 15.29260372279142 8.2725e-06 deg
node 169.7824669639534 1.7176e-05 deg
peri 260.5364489973491 4.6041e-05 deg
M 311.7355681086966 4.3357e-05 deg
tp 2457226.269692896538
(2015-Jul-22.76969290)
0.00020358 JED
period 1683.995568948127
4.61
2.1139e-05
5.788e-08
d
yr
n .2137772845951528 2.6835e-09 deg/d
Q 3.05298350670482 2.5549e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1074  
   data-arc span      9394 days (25.72 yr)  
   first obs. used      1989-03-06  
   last obs. used      2014-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49157  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:31:57  

Additional Information
 Earth MOID = 1.55344 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  

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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