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21891 Andreabocelli (1999 VZ2)
Classification: Main-belt Asteroid          SPK-ID: 2021891
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08057403270978446 3.2439e-08  
a 2.397594280562396 9.0411e-09 au
q 2.204410440575569 7.6729e-08 au
i 6.986552584130881 4.1097e-06 deg
node 4.86717195780266 2.9359e-05 deg
peri 92.37753970454705 3.9677e-05 deg
M 197.3648496324991 2.6315e-05 deg
tp 2459813.095613287585
(2022-Aug-21.59561329)
9.9697e-05 TDB
period 1356.007113377377
3.71
7.6701e-06
2.1e-08
d
yr
n .2654853329665476 1.5017e-09 deg/d
Q 2.590778120549222 9.7696e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1642  
   data-arc span      16147 days (44.21 yr)  
   first obs. used      1976-05-30  
   last obs. used      2020-08-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47199  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:54:45  

Additional Information
 Earth MOID = 1.23414 au 
 Jupiter MOID = 2.51535 au 
 T_jup = 3.513 
[ 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 14.59   n/a E2021B10  
diameter diameter 2.907 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 31.325 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.276   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21891 Andreabocelli           Discovered 1999 Nov. 1 by S. Donati at Agliale Mount Observatory.
Andrea Bocelli (b. 1958) is an Italian tenor renowned worldwide as a pop music, opera and crossover performer. He has sold over 80 million CDs worldwide and in 2010 received a star on the Hollywood Walk of Fame for his contribution to live theater.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121228/MPCPages.arcLast Updated: 2013-01-02

Alternate Designations
 1999 VZ2 = 1982 BF4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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