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JPL Small-Body Database Browser
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20624 Dariozanetti (1999 TB12)
Classification: Main-belt Asteroid          SPK-ID: 2020624
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012216065955366 7.357e-08  
a 2.563940089118253 1.0969e-08 au
q 2.304413954083 1.8864e-07 au
i 14.19545883480064 3.8296e-06 deg
node 48.84948826718569 2.1659e-05 deg
peri 88.03539659161414 2.957e-05 deg
M 181.5478594036636 1.9863e-05 deg
tp 2459343.826297029361
(2021-May-09.32629703)		 8.4215e-05 TDB
period 1499.547531547311
4.11		 9.6226e-06
2.635e-08		 d
yr
n .2400724167966409 1.5406e-09 deg/d
Q 2.823466224153507 1.2079e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1411  
   data-arc span      11663 days (31.93 yr)  
   first obs. used      1987-12-23  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5016  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:45:35  

Additional Information
 Earth MOID = 1.37012 au 
 Jupiter MOID = 2.30046 au 
 T_jup = 3.383 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO452462  
diameter diameter 3.621 km 0.736 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.309   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20624 Dariozanetti           Discovered 1999 Oct. 9 by S. Sposetti at Gnosca.
Dario Zanetti (b. 1959) is a skilled artisan and friend of the discoverer. He helped greatly in the construction of the observatory where this minor planet was discovered.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1999 TB12 = 1987 YF4 = 1992 AN6 = 1997 GF32 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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