Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
18509 Bellini (1996 RB4)
Classification: Main-belt Asteroid          SPK-ID: 2018509
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1357865037857075 3.7644e-08  
a 2.610842150587488 1.0271e-08 au
q 2.256325023022855 9.9505e-08 au
i 12.2518302997682 4.2344e-06 deg
node 288.4163359697008 2.6548e-05 deg
peri 137.5061213336018 3.6137e-05 deg
M 186.2525839327674 2.3916e-05 deg
tp 2459744.178462154252
(2022-Jun-13.67846215)
0.00010379 TDB
period 1540.881887255999
4.22
9.0924e-06
2.489e-08
d
yr
n .2336324431985424 1.3786e-09 deg/d
Q 2.96535927815212 1.1665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1821  
   data-arc span      11515 days (31.53 yr)  
   first obs. used      1988-12-07  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:23:09  

Additional Information
 Earth MOID = 1.28656 au 
 Jupiter MOID = 2.31699 au 
 T_jup = 3.365 
[ 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 13.4   n/a MPO474011  
diameter diameter 5.280 km 0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.400   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18509 Bellini           Discovered 1996 Sept. 14 by V. S. Casulli at the Colleverde di Guidonia.
Vincenzo Bellini (1801-1835) was an Italian composer best known for his "Norma" and "I puritani".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120406/MPCPages.arcLast Updated: 2012-04-09

Alternate Designations
 1996 RB4 = 1991 NX8 = 1992 WW8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-25 19:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin