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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
32270 Inokuchihiroo (2000 PC4)
Classification: Main-belt Asteroid          SPK-ID: 2032270
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034092751436384 3.5311e-08  
a 2.792713663433843 1.4991e-08 au
q 2.503921167814415 9.6101e-08 au
i 6.445887132959096 4.3325e-06 deg
node 295.723674336896 3.7858e-05 deg
peri 324.7255149066302 4.4182e-05 deg
M 58.34766417759394 2.361e-05 deg
tp 2458324.213913044317
(2018-Jul-24.71391304)
0.00011156 TDB
period 1704.661064088332
4.67
1.3726e-05
3.758e-08
d
yr
n .2111856764866811 1.7004e-09 deg/d
Q 3.081506159053272 1.6541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1394  
   data-arc span      8004 days (21.91 yr)  
   first obs. used      1997-11-28  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53009  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:25:47  

Additional Information
 Earth MOID = 1.49128 au 
 Jupiter MOID = 2.01346 au 
 T_jup = 3.311 
[ 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 13.9   n/a MPO449198  
diameter diameter 6.364 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32270 Inokuchihiroo           Discovered 2000 Aug. 4 by the BATTeRS project at Bisei Spaceguard Center.
Hiroo Inokuchi (b. 1927) discovered the semiconductive properties in organic materials. He also contributed to the cultivation and development of research under microgravity. He is the chairman of Japan Space Forum, which manages Bisei Spaceguard Center.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

[ show close-approach data ]
Alternate Designations
 2000 PC4 = 1998 AY3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin