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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1224064966920365 5.7802e-08  
a 2.334396033805013 1.8862e-08 AU
q 2.048650793415157 1.3315e-07 AU
i 6.367945203773478 6.2719e-06 deg
node 186.8816296724628 5.8333e-05 deg
peri 109.6882469024971 6.5171e-05 deg
M 230.7762255429611 3.4847e-05 deg
tp 2457468.127618620089
(2016-Mar-20.62761862)
0.0001296 JED
period 1302.747450386535
3.57
1.579e-05
4.323e-08
d
yr
n .2763390555039545 3.3493e-09 deg/d
Q 2.620141274194869 2.1171e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      11268 days (30.85 yr)  
   first obs. used      1983-05-13  
   last obs. used      2014-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55053  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:42:11  

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 (675)
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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