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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07650924721516285 3.817e-08  
a 2.191959153709691 6.4194e-09 au
q 2.024254008932977 8.5792e-08 au
i 2.850824888816855 3.365e-06 deg
node 110.1625244947595 8.8434e-05 deg
peri 334.2034129161399 9.2334e-05 deg
M 4.490830685241508 2.6959e-05 deg
tp 2458985.713298935794
(2020-May-16.21329894)
8.8749e-05 TDB
period 1185.351387352016
3.25
5.2072e-06
1.426e-08
d
yr
n .3037074101749798 1.3342e-09 deg/d
Q 2.359664298486405 6.9106e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1915  
   data-arc span      14617 days (40.02 yr)  
   first obs. used      1980-10-15  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47199  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:18:43  

Additional Information
 Earth MOID = 1.04084 au 
 Jupiter MOID = 2.76398 au 
 T_jup = 3.667 
[ 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 14.2   n/a MPO502235  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2009-Mar-13 21:22 < 00:01 Thisb 0.00948764842916648 0.00948720325473558 0.00948809360902654 3.57000649694232 3.57000629564074 2454904.390335859 0.594559286236296 52.4431911978643 21.5462242301885 -83.660606126726 65488.634247041 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:48 2020-Nov-13 03:18
2035-Dec-09 09:08 < 00:01 Juno 0.0142676522608427 0.014266982520652 0.0142683223916864 5.15922285320437 5.1592226879286 2464670.880473219 0.410208168223033 173.520499251996 24.1348441051416 -82.2834138870042 87595.5709192933 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:48 2020-Nov-13 03:18
2152-Jan-12 17:14 00:06 Thisb 0.0461549894748965 0.0461425258154991 0.0461674536480492 3.45905152412844 3.45905148142144 2507073.217945180 5.67017455008776 666.774418446861 20.0375202277791 -21.3547620839062 125750.731351313 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:48 2020-Nov-13 03:18

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