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9343 (1991 PO11)
Classification: Main-belt Asteroid          SPK-ID: 2009343
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122406492168561 5.3247e-08  
a 2.334396032166011 1.6834e-08 AU
q 2.048650802536362 1.253e-07 AU
i 6.367945100848741 6.2047e-06 deg
node 186.881631724649 5.373e-05 deg
peri 109.6882459304423 6.1058e-05 deg
M 230.7762255969213 3.4296e-05 deg
tp 2457468.127617932332
(2016-Mar-20.62761793)
0.0001272 JED
period 1302.747449014528
3.57
1.4092e-05
3.858e-08
d
yr
n .276339055794985 2.9892e-09 deg/d
Q 2.620141261795659 1.8895e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      11613 days (31.79 yr)  
   first obs. used      1983-05-13  
   last obs. used      2015-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54472  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:17:56  

Additional Information
 Earth MOID = 1.04484 AU 
 T_jup = 3.550 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO234894  

9343 (1991 PO11)          Discovered 1991-Aug-09 by Holt, H. E. at Palomar
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PO11 = 1984 SB4 = 1997 HJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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