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 ]  
9109 Yukomotizuki (1997 AH7)
Classification: Main-belt Asteroid          SPK-ID: 2009109
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09354203727921521 7.4133e-08  
a 2.329252017889381 1.6984e-08 AU
q 2.111369038799286 1.796e-07 AU
i 7.163793907399352 6.8694e-06 deg
node 151.3931547495943 5.7394e-05 deg
peri 265.9564209696071 7.0234e-05 deg
M 16.63466955131526 4.1439e-05 deg
tp 2456740.502269247789
(2014-Mar-24.00226925)
0.00014922 JED
period 1298.443771555915
3.55
1.4201e-05
3.888e-08
d
yr
n .2772549785260356 3.0324e-09 deg/d
Q 2.547134996979477 1.8572e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      8730 days (23.90 yr)  
   first obs. used      1990-03-01  
   last obs. used      2014-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52571  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:27:00  

Additional Information
 Earth MOID = 1.13623 AU 
 T_jup = 3.556 
[ 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 14.5 mag n/a MPO279612  

9109 Yukomotizuki           Discovered 1997 Jan. 9 by T. Kobayashi at Oizumi.
Yuko Motizuki (b. 1965) is an associate professor at Saitama University. Her speciality is the theoretical study of nucleosynthesis, supernovae and neutron stars. She is also leading a team to examine the effects of solar cycles and supernovae on Antarctic ice cores.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100130/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1997 AH7 = 1990 EV5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-01 05:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin