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17190 Retopezzoli (1999 WY8)
Classification: Main-belt Asteroid          SPK-ID: 2017190
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09132408156258592 3.4307e-08  
a 2.590409968483182 9.1156e-09 au
q 2.353843157240888 9.0187e-08 au
i 6.286950774151669 3.923e-06 deg
node 117.2019672517954 3.0798e-05 deg
peri 337.2047340798266 3.6511e-05 deg
M 354.3662650497901 1.9905e-05 deg
tp 2459224.331154982259
(2021-Jan-09.83115498)
8.4224e-05 TDB
period 1522.829147880595
4.17
8.0382e-06
2.201e-08
d
yr
n .2364020944181635 1.2478e-09 deg/d
Q 2.826976779725476 9.9481e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1999  
   data-arc span      10664 days (29.20 yr)  
   first obs. used      1992-01-02  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:56:50  

Additional Information
 Earth MOID = 1.37184 au 
 Jupiter MOID = 2.30214 au 
 T_jup = 3.406 
[ 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 13.93   n/a E2021B10  
diameter diameter 5.092 km 0.427 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.206   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17190 Retopezzoli           Discovered 1999 Nov. 28 by S. Sposetti at Gnosca.
Reto Pezzoli (b. 1959) is the best friend of the discoverer. They have spent lots of unforgettable summer and winter nights observing meteors.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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