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9760 (1991 PJ13)
Classification: Main-belt Asteroid          SPK-ID: 2009760
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1540952035035909 4.8841e-08  
a 2.239464723752906 1.0699e-08 au
q 1.894373951407089 1.1103e-07 au
i 2.655566394134471 5.266e-06 deg
node 333.305206708158 0.00011489 deg
peri 344.9494536162442 0.00011609 deg
M 168.9400805689232 2.0031e-05 deg
tp 2457026.059618768985
(2015-Jan-03.55961877)
6.6257e-05 JED
period 1224.093989695932
3.35
8.772e-06
2.402e-08
d
yr
n .2940950638025965 2.1075e-09 deg/d
Q 2.584555496098723 1.2348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      9005 days (24.65 yr)  
   first obs. used      1991-08-05  
   last obs. used      2016-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52335  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:06:19  

Additional Information
 Earth MOID = .880766 au 
 Jupiter MOID = 2.68337 au 
 T_jup = 3.619 
[ 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 15.2 mag n/a MPO358725  

9760 (1991 PJ13)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
Reference: 19981208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PJ13 = 1991 RT34 = 1997 GE14 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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