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

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560091379539844 5.987e-08  
a 2.414619551888944 1.706e-08 AU
q 2.037916837111913 1.4051e-07 AU
i 2.04543163201101 5.1073e-06 deg
node 328.15506898365 0.00015857 deg
peri 231.9863513048584 0.00015913 deg
M 271.9220115438914 1.6526e-05 deg
tp 2457335.802184636621
(2015-Nov-09.30218464)
6.4283e-05 JED
period 1370.476194847882
3.75
1.4524e-05
3.976e-08
d
yr
n .2626824175081411 2.7839e-09 deg/d
Q 2.791322266665973 1.9722e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1208  
   data-arc span      9136 days (25.01 yr)  
   first obs. used      1989-02-04  
   last obs. used      2014-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51319  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:30:39  

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 ]
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