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89664 Pignata (2001 YU5)
Classification: Main-belt Asteroid          SPK-ID: 2089664
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129178449203381 3.3356e-08  
a 2.716497452186839 1.429e-08 au
q 2.365584524048407 9.1259e-08 au
i 11.03420831988214 3.8381e-06 deg
node 147.565453547307 1.7697e-05 deg
peri 182.3216935425304 2.2224e-05 deg
M 220.3938458232314 1.4934e-05 deg
tp 2460030.682775909087
(2023-Mar-27.18277591)
7.0026e-05 TDB
period 1635.356268307426
4.48
1.2904e-05
3.533e-08
d
yr
n .2201355184657076 1.7371e-09 deg/d
Q 3.067410380325271 1.6136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      999  
   data-arc span      10002 days (27.38 yr)  
   first obs. used      1994-02-10  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57028  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:36:16  

Additional Information
 Earth MOID = 1.35381 au 
 Jupiter MOID = 2.28795 au 
 T_jup = 3.322 
[ 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 15.08   n/a MPCxxxxx  

89664 Pignata           Discovered 2001 Dec. 19 by the Asiago-DLR Asteroid Survey at Cima Ekar.
Giuliano Pignata (b. 1972), a member of the Asiago-DLR Asteroid Survey, contributes in a decisive way to the calibration and adaptation of the CCD detector to the telescope. His main research interest is now supernovae, but he still searches for minor planets in supernova survey images.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070106/MPCPages.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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