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134346 Pinatubo (1991 PT2)
Classification: Main-belt Asteroid          SPK-ID: 2134346
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2513212749711028 5.5418e-08  
a 2.383801097647457 1.439e-08 AU
q 1.784701166509184 1.3453e-07 AU
i 3.745533685258294 6.7851e-06 deg
node 110.7258003993552 9.1534e-05 deg
peri 224.4420214530994 9.267e-05 deg
M 111.6132613015398 1.5435e-05 deg
tp 2456583.710521067434
(2013-Oct-18.21052107)
5.5302e-05 JED
period 1344.322445792145
3.68
1.2172e-05
3.333e-08
d
yr
n .2677928953182576 2.4248e-09 deg/d
Q 2.98290102878573 1.8006e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      8605 days (23.56 yr)  
   first obs. used      1991-08-02  
   last obs. used      2015-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54619  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 21:37:55  

Additional Information
 Earth MOID = .777699 AU 
 T_jup = 3.490 
[ 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 15.9 mag n/a MPO325403  

134346 Pinatubo           Discovered 1991 Aug. 2 by E. W. Elst at the European Southern Observatory.
Pinatubo is an active volcano on Luzon island in the Philippines. In June 1991 the volcano became eruptive, hurling ash up to heights of 20 km. Large amounts of minerals and metals were brought to the surface.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100726/MPCPages.arcLast Updated: 2010-07-28

Alternate Designations
 1991 PT2 = 2002 LS31 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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