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 ]  
9324 (1989 CH4)
Classification: Main-belt Asteroid          SPK-ID: 2009324
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560091225805505 5.3809e-08  
a 2.414619547733301 1.5471e-08 AU
q 2.037916870725584 1.2829e-07 AU
i 2.04543134649324 4.9073e-06 deg
node 328.1550561505935 0.00015241 deg
peri 231.9863643771459 0.00015298 deg
M 271.9220132621752 1.6319e-05 deg
tp 2457335.802177229724
(2015-Nov-09.30217723)
6.3258e-05 JED
period 1370.476191309929
3.75
1.3171e-05
3.606e-08
d
yr
n .2626824181862691 2.5246e-09 deg/d
Q 2.791322224741019 1.7884e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1244  
   data-arc span      9477 days (25.95 yr)  
   first obs. used      1989-02-04  
   last obs. used      2015-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51956  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:25:58  

Additional Information
 Earth MOID = 1.03753 AU 
 T_jup = 3.500 
[ 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 13.9 mag n/a MPO266008  

9324 (1989 CH4)          Discovered 1989-Feb-07 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 CH4 = 1993 EV 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Mar-04 07:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin