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 ]  
9110 Choukai (1997 AM19)
Classification: Main-belt Asteroid          SPK-ID: 2009110
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03242076845182221 4.9549e-08  
a 2.306266018705794 1.3983e-08 AU
q 2.231495102125027 1.1488e-07 AU
i 3.190726849781128 5.0794e-06 deg
node 146.0450651754207 0.00010262 deg
peri 156.7771023081557 0.00014061 deg
M 156.2717437926013 9.5714e-05 deg
tp 2456245.183619299945
(2012-Nov-13.68361930)
0.0003398 JED
period 1279.270917443264
3.50
1.1634e-05
3.185e-08
d
yr
n .2814102901045321 2.5593e-09 deg/d
Q 2.38103693528656 1.4436e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1111  
   data-arc span      10359 days (28.36 yr)  
   first obs. used      1985-11-11  
   last obs. used      2014-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47614  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:27:02  

Additional Information
 Earth MOID = 1.21573 AU 
 T_jup = 3.585 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a PDS3 (MPC 32199)  

9110 Choukai           Discovered 1997 Jan. 13 by T. Okuni at Nanyo.
The Choukai volcanic mountain range forms a part of the border between Akita and Yamagata prefectures in the northern part of mainland Japan. It was designated as a national park in 1963. Mt. Choukai has a height of 2230 meters.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1997 AM19 = 1985 UX4 = 1985 VT4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-24 19:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin