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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280964409350739 1.5865e-08  
a 2.369365839908157 8.7228e-09 au
q 2.06585850854278 3.6135e-08 au
i 10.50195208379849 5.3974e-07 deg
node 269.3786096814221 3.5366e-06 deg
peri 212.1726495504668 7.5062e-06 deg
M 191.6809455154504 6.2238e-06 deg
tp 2460019.341286569604
(2023-Mar-15.84128657)
2.4808e-05 TDB
period 1332.130006621678
3.65
7.3563e-06
2.014e-08
d
yr
n .2702438937720283 1.4923e-09 deg/d
Q 2.672873171273534 9.8401e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1905  
   data-arc span      11536 days (31.58 yr)  
   first obs. used      1989-11-22  
   last obs. used      2021-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44681  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:25:48  

Additional Information
 Earth MOID = 1.08999 au 
 Jupiter MOID = 2.45762 au 
 T_jup = 3.512 
[ 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 14.06   n/a E2021B10  
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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