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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027777798398618 3.523e-08  
a 2.392424627298786 8.926e-09 au
q 2.146536535670808 8.6565e-08 au
i 4.414473281101293 3.8711e-06 deg
node 148.0398872778579 4.6481e-05 deg
peri 319.8521188309617 4.9661e-05 deg
M 302.520258257633 1.7872e-05 deg
tp 2458816.308293596857
(2019-Nov-28.80829360)
6.7294e-05 TDB
period 1351.623778044992
3.70
7.5643e-06
2.071e-08
d
yr
n .2663463057158622 1.4906e-09 deg/d
Q 2.638312718926764 9.8434e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1819  
   data-arc span      14960 days (40.96 yr)  
   first obs. used      1978-12-22  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52431  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:20:37  

Additional Information
 Earth MOID = 1.16564 au 
 Jupiter MOID = 2.45277 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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