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17559 (1994 AR1)
Classification: Main-belt Asteroid          SPK-ID: 2017559
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291594965578527 7.6432e-08  
a 2.367907133645144 1.5544e-08 au
q 2.062069440367789 1.8365e-07 au
i 10.50898427231272 6.4464e-06 deg
node 269.4447820830873 3.49e-05 deg
peri 212.2382876084292 4.2259e-05 deg
M 11.61606766287229 2.4303e-05 deg
tp 2457357.556043122555
(2015-Dec-01.05604312)
8.972e-05 JED
period 1330.900002011302
3.64
1.3105e-05
3.588e-08
d
yr
n .2704936505041367 2.6634e-09 deg/d
Q 2.673744826922499 1.7551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      9526 days (26.08 yr)  
   first obs. used      1989-11-22  
   last obs. used      2015-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48688  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:37:14  

Additional Information
 Earth MOID = 1.08576 au 
 Jupiter MOID = 2.46442 au 
 T_jup = 3.513 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO358800  

17559 (1994 AR1)          Discovered 1994-Jan-08 by Sugie, A. at Dynic
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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