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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710962891179681 5.1411e-08  
a 2.221939722879045 9.0309e-09 au
q 1.841774081650634 1.1405e-07 au
i 4.678554130902199 5.8473e-06 deg
node 320.6623596177378 6.8428e-05 deg
peri 337.3846133066175 7.1334e-05 deg
M 81.61311776345838 2.2895e-05 deg
tp 2457126.245157377235
(2015-Apr-13.74515738)
7.6596e-05 JED
period 1209.753358894491
3.31
7.3754e-06
2.019e-08
d
yr
n .2975813188309548 1.8142e-09 deg/d
Q 2.602105364107457 1.0576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      14768 days (40.43 yr)  
   first obs. used      1975-07-11  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5429  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:03:33  

Additional Information
 Earth MOID = .825305 au 
 Jupiter MOID = 2.59646 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 15.5 mag n/a MPO347584  

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 2016-Feb-07 03:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin