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17559 (1994 AR1)
Classification: Main-belt Asteroid          SPK-ID: 2017559
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .128918658309006 4.3493e-08  
a 2.367370326120461 1.002e-08 au
q 2.062172119956457 1.0351e-07 au
i 10.51065340882606 3.8754e-06 deg
node 269.3963641951743 2.4709e-05 deg
peri 211.8925931737131 3.1025e-05 deg
M 84.86726176954022 1.764e-05 deg
tp 2458686.857132691823
(2019-Jul-22.35713269)
6.4918e-05 TDB
period 1330.447452606143
3.64
8.4464e-06
2.312e-08
d
yr
n .2705856584525868 1.7178e-09 deg/d
Q 2.672568532284465 1.1311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1550  
   data-arc span      11003 days (30.12 yr)  
   first obs. used      1989-11-22  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 00:30:20  

Additional Information
 Earth MOID = 1.08583 au 
 Jupiter MOID = 2.45883 au 
 T_jup = 3.513 
[ 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 14.0   n/a MPO358800  
diameter diameter 4.094 km 0.367 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.220   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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