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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1013086958448225 1.1208e-08  
a 2.564794217563898 9.2885e-09 au
q 2.304958260272157 3.2298e-08 au
i 14.19323328273953 1.1901e-06 deg
node 48.84871164511281 3.5376e-06 deg
peri 87.78336273920047 1.0771e-05 deg
M 325.8387176038746 1.1143e-05 deg
tp 2459342.866851458395
(2021-May-08.36685146)
4.6573e-05 TDB
period 1500.296913058368
4.11
8.1501e-06
2.231e-08
d
yr
n .2399525033122523 1.3035e-09 deg/d
Q 2.824630174855638 1.023e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1878  
   data-arc span      12128 days (33.20 yr)  
   first obs. used      1987-12-23  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:25:18  

Additional Information
 Earth MOID = 1.37018 au 
 Jupiter MOID = 2.29797 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 13.92   n/a E2021B10  
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

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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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