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12725 (1991 PP16)
Classification: Main-belt Asteroid          SPK-ID: 2012725
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .154159306442625 5.7559e-08  
a 2.392833349315485 1.5517e-08 AU
q 2.023955819752227 1.4049e-07 AU
i 5.393126766412276 5.567e-06 deg
node 151.5639674629576 5.9523e-05 deg
peri 190.0902127728606 6.2196e-05 deg
M 53.01427669012303 1.9695e-05 deg
tp 2456601.406332930770
(2013-Nov-04.90633293)
7.3152e-05 JED
period 1351.970160111156
3.70
1.3151e-05
3.601e-08
d
yr
n .2662780663519982 2.5901e-09 deg/d
Q 2.761710878878744 1.7909e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1065  
   data-arc span      8577 days (23.48 yr)  
   first obs. used      1990-04-01  
   last obs. used      2013-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52653  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Oct-22 20:18:08  

Additional Information
 Earth MOID = 1.01449 AU 
 T_jup = 3.509 
[ 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 13.6 mag n/a MPO267757  

12725 (1991 PP16)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar (675)
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PP16 = 1995 UU8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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