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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02142381079471992 6.0761e-08  
a 3.006750756269192 2.8897e-08 au
q 2.94233469696 1.8322e-07 au
i 9.63066681578977 7.6643e-06 deg
node 307.6336058738168 3.5072e-05 deg
peri 127.7059095165002 0.0002237 deg
M 101.9218817312461 0.00021563 deg
tp 2456861.350132716854
(2014-Jul-22.85013272)
0.0011434 JED
period 1904.340352876642
5.21
2.7453e-05
7.516e-08
d
yr
n .1890418377451249 2.7252e-09 deg/d
Q 3.071166815578385 2.9516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1300  
   data-arc span      12096 days (33.12 yr)  
   first obs. used      1982-10-21  
   last obs. used      2015-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46892  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:56:11  

Additional Information
 Earth MOID = 1.96822 au 
 Jupiter MOID = 2.02484 au 
 T_jup = 3.229 
[ 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 12.4 mag n/a MPO337298  

5398 (1989 AK1)          Discovered 1989-Jan-13 by Ueda and Kaneda at Kushiro
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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