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5398 (1989 AK1)
Classification: Main-belt Asteroid          SPK-ID: 2005398
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01989963796475128 6.7086e-08  
a 3.005143001208964 3.1667e-08 AU
q 2.945341743452599 2.0763e-07 AU
i 9.64297725449001 8.05e-06 deg
node 307.6660758532817 4.4454e-05 deg
peri 127.8783448222134 0.00024975 deg
M 26.22861308617761 0.00024232 deg
tp 2456861.866251208292
(2014-Jul-23.36625121)
0.0012812 JED
period 1902.813137737588
5.21
3.0077e-05
8.235e-08
d
yr
n .189193564444291 2.9905e-09 deg/d
Q 3.064944258965329 3.2297e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      11692 days (32.01 yr)  
   first obs. used      1982-10-21  
   last obs. used      2014-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49757  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:58:55  

Additional Information
 Earth MOID = 1.97117 AU 
 T_jup = 3.230 
[ 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 12.2 mag n/a MPO267729  

5398 (1989 AK1)          Discovered 1989-Jan-13 by Ueda and Kaneda at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 AK1 = 1971 QN1 = 1982 UD9 = 1982 VV9 = 1987 TC 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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