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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545674803290653 4.7874e-08  
a 2.393012392981948 1.3782e-08 au
q 2.023130497002501 1.1751e-07 au
i 5.39593837566723 4.8386e-06 deg
node 151.5470225614672 4.8794e-05 deg
peri 190.76161995402 5.1371e-05 deg
M 265.1488337653298 1.9526e-05 deg
tp 2457956.750943180939
(2017-Jul-22.25094318)
7.5264e-05 JED
period 1352.121904625138
3.70
1.1681e-05
3.198e-08
d
yr
n .2662481827774296 2.3e-09 deg/d
Q 2.762894288961394 1.5912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1375  
   data-arc span      9513 days (26.05 yr)  
   first obs. used      1990-04-01  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48132  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:14:52  

Additional Information
 Earth MOID = 1.0143 au 
 Jupiter MOID = 2.6161 au 
 T_jup = 3.508 
[ 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 MPO365402  

12725 (1991 PP16)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar
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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