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JPL Small-Body Database Browser
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17558 (1994 AA1)
Classification: Main-belt Asteroid          SPK-ID: 2017558
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102686372484303 3.3514e-08  
a 2.392253658768457 7.5372e-09 au
q 2.146601808487223 8.1088e-08 au
i 4.414862808017873 3.7795e-06 deg
node 148.0341117112472 3.9262e-05 deg
peri 319.7378334220323 4.2574e-05 deg
M 49.16134986822203 1.5341e-05 deg
tp 2458815.942981105600
(2019-Nov-28.44298111)		 5.7719e-05 TDB
period 1351.478895109249
3.70		 6.3871e-06
1.749e-08		 d
yr
n .2663748589066192 1.2589e-09 deg/d
Q 2.637905509049692 8.3112e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2137  
   data-arc span      15103 days (41.35 yr)  
   first obs. used      1978-12-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:37:55  

Additional Information
 Earth MOID = 1.16549 au 
 Jupiter MOID = 2.45199 au 
 T_jup = 3.520 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO452419  

17558 (1994 AA1)          Discovered 1994-Jan-04 by Kushida, Y., Muramatsu, O. at Yatsugatake
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 AA1 = 1978 YT = 1987 FO = 1996 TG40 = 1998 FP7 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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