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90198 (2003 AK59)
Classification: Main-belt Asteroid          SPK-ID: 2090198
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2433641935759469 5.2108e-08  
a 2.669656055231082 2.0191e-08 au
q 2.019957362224626 1.44e-07 au
i 17.04271044696045 8.3379e-06 deg
node 123.9513899619091 1.7357e-05 deg
peri 84.66295885152633 2.4881e-05 deg
M 306.8962017694724 1.9703e-05 deg
tp 2459235.519815018849
(2021-Jan-21.01981502)
8.892e-05 TDB
period 1593.240713959852
4.36
1.8075e-05
4.949e-08
d
yr
n .2259545571775237 2.5634e-09 deg/d
Q 3.319354748237538 2.5105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1999-05-14  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52729  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:05:50  

Additional Information
 Earth MOID = 1.09901 au 
 Jupiter MOID = 1.96218 au 
 T_jup = 3.278 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO366263  

90198 (2003 AK59)          Discovered 2003-Jan-05 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2003 AK59 = 1999 LR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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