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16537 (1991 PF11)
Classification: Main-belt Asteroid          SPK-ID: 2016537
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328160089733137 5.6539e-08  
a 2.752780637974465 2.513e-08 AU
q 2.387167300059684 1.571e-07 AU
i 8.384284182615447 6.3084e-06 deg
node 288.2238902896888 4.0404e-05 deg
peri 346.9063457533738 4.7765e-05 deg
M 88.42021721896626 2.7302e-05 deg
tp 2456590.763256883804
(2013-Oct-25.26325688)
0.00012538 JED
period 1668.229644319292
4.57
2.2844e-05
6.254e-08
d
yr
n .2157976278780822 2.955e-09 deg/d
Q 3.118393975889246 2.8468e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1047  
   data-arc span      8455 days (23.15 yr)  
   first obs. used      1991-08-07  
   last obs. used      2014-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50342  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:32:47  

Additional Information
 Earth MOID = 1.37302 AU 
 T_jup = 3.317 
[ 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 13.3 mag n/a MPO266043  

16537 (1991 PF11)          Discovered 1991-Aug-08 by Holt, H. E. at Palomar (675)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PF11 = 1998 BN12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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