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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328312877454377 6.6317e-08  
a 2.753264454509604 2.9771e-08 AU
q 2.387544791513353 1.9018e-07 AU
i 8.384362316213091 7.1669e-06 deg
node 288.2262438438095 4.2906e-05 deg
peri 346.9782291638646 5.069e-05 deg
M 45.19515547377142 2.9628e-05 deg
tp 2456591.011733644184
(2013-Oct-25.51173364)
0.00013631 JED
period 1668.669464625705
4.57
2.7065e-05
7.41e-08
d
yr
n .2157407489210277 3.4993e-09 deg/d
Q 3.118984117505855 3.3726e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      7999 days (21.90 yr)  
   first obs. used      1991-08-07  
   last obs. used      2013-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54764  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 18:26:55  

Additional Information
 Earth MOID = 1.37152 AU 
 T_jup = 3.316 
[ 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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