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8742 Bonazzoli (1998 CB2)
Classification: Main-belt Asteroid          SPK-ID: 2008742
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07656964415278436 1.9481e-08  
a 2.191982755117364 5.5873e-09 au
q 2.024143415568987 4.3514e-08 au
i 2.850812746238132 5.6188e-07 deg
node 110.1620798584132 6.2575e-06 deg
peri 334.1417568500894 1.3632e-05 deg
M 65.28260156355944 1.3793e-05 deg
tp 2458985.544244058757
(2020-May-16.04424406)
4.5213e-05 TDB
period 1185.370531894413
3.25
4.5322e-06
1.241e-08
d
yr
n .3037025050932066 1.1612e-09 deg/d
Q 2.35982209466574 6.0151e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2119  
   data-arc span      14769 days (40.44 yr)  
   first obs. used      1980-10-15  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46717  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:04:15  

Additional Information
 Earth MOID = 1.04037 au 
 Jupiter MOID = 2.76347 au 
 T_jup = 3.666 
[ 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 14.20   n/a MPCxxxxx  

8742 Bonazzoli           Discovered 1998 Feb. 14 by V. S. Casulli at the Colleverde di Guidonia.
Roberto Bonazzoli (1940-1996) was a friend of the discoverer. Fond of astronomy, he offered technical support, notably concerning electronics, at the Colleverde Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000726/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1998 CB2 = 1980 TD10 = 1987 YK1 = 1990 UG13 = 1990 VP9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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