Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
7377 Pizzarello (1981 EW9)
Classification: Main-belt Asteroid          SPK-ID: 2007377
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1709378662121128 5.4579e-08  
a 2.221760215426006 1.5574e-08 AU
q 1.84197726496612 1.2484e-07 AU
i 4.678772771666715 6.2708e-06 deg
node 320.6657499145567 7.3965e-05 deg
peri 337.4524374270618 7.7017e-05 deg
M 263.0000604837796 2.6936e-05 deg
tp 2457126.421618323275
(2015-Apr-13.92161832)
9.2318e-05 JED
period 1209.606760391419
3.31
1.2718e-05
3.482e-08
d
yr
n .2976173842509832 3.1292e-09 deg/d
Q 2.601543165885891 1.8236e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      618  
   data-arc span      14177 days (38.81 yr)  
   first obs. used      1975-07-11  
   last obs. used      2014-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56396  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:58:04  

Additional Information
 Earth MOID = .826552 AU 
 T_jup = 3.625 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4 mag n/a MPO253415  

7377 Pizzarello           Discovered 1981 Mar. 1 by S. J. Bus at Siding Spring in the course of the U.K. Schmidt-Caltech Asteroid Survey.
Sandra Pizzarello (b. 1933) is a professor of chemistry at Arizona State University. Along with colleagues, she has pioneered the study of organic material in meteorites.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

[ show close-approach data ]
Alternate Designations
 1981 EW9 = 1975 ND1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-24 01:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin