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145768 Petiska (1997 PT2)
Classification: Main-belt Asteroid          SPK-ID: 2145768
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1803986315102193 4.4516e-08  
a 2.593890528833851 1.2837e-08 au
q 2.125956227144905 1.1508e-07 au
i 4.856228907453186 5.2757e-06 deg
node 28.83423220693293 4.788e-05 deg
peri 289.1018967988329 5e-05 deg
M 175.7882017557138 1.566e-05 deg
tp 2458255.402485449488
(2018-May-16.90248545)
6.4945e-05 TDB
period 1525.899363888712
4.18
1.1327e-05
3.101e-08
d
yr
n .2359264369063959 1.7514e-09 deg/d
Q 3.061824830522797 1.5153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      10145 days (27.78 yr)  
   first obs. used      1992-04-25  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54167  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:32:40  

Additional Information
 Earth MOID = 1.11898 au 
 Jupiter MOID = 2.25878 au 
 T_jup = 3.390 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO469545  

145768 Petiška           Discovered 1997 Aug. 12 by M. Tichy and Z. Moravec at Klet.
Eduard Petiška (1924-1987) was a Czech poet, novelist, short story writer, playwright and translator. He is mostly known as an author of books for children. Petiška was also an excellent interpreter of the legends and myths of ancient Greece, Mesopotamia and Egypt.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080321/MPCPages.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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