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17556 Pierofrancesca (1993 WB)
Classification: Main-belt Asteroid          SPK-ID: 2017556
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815429725432023 2.5867e-08  
a 2.333477442823522 6.1499e-09 au
q 1.909851011490829 6.0044e-08 au
i 1.735927047023278 3.3624e-06 deg
node 337.54104527201 0.00010784 deg
peri 123.131469799083 0.00010833 deg
M 240.1622464476172 1.0548e-05 deg
tp 2459829.906076408532
(2022-Sep-07.40607641)
3.8817e-05 TDB
period 1301.978574213427
3.56
5.147e-06
1.409e-08
d
yr
n .2765022459893315 1.0931e-09 deg/d
Q 2.757103874156215 7.2663e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1866  
   data-arc span      10098 days (27.65 yr)  
   first obs. used      1993-11-11  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51268  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:58:52  

Additional Information
 Earth MOID = .927598 au 
 Jupiter MOID = 2.39393 au 
 T_jup = 3.546 
[ 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 14.72   n/a E2021B10  
rotation period rot_per 9.17 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2005) Minor Planet Bull. 32, 66-68.]

17556 Pierofrancesca           Discovered 1993 Nov. 16 by V. S. Casulli at the Colleverde.
Piero della Francesca (1416-1492) was an Italian Renaissance painter and member of the second generation of Humanists.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120406/MPCPages.arcLast Updated: 2012-04-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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