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17561 (1994 AE11)
Classification: Main-belt Asteroid          SPK-ID: 2017561
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1489008011926549 6.1171e-08  
a 2.482225922458196 1.1518e-08 au
q 2.112620493862994 1.5144e-07 au
i 4.733152366121199 6.1056e-06 deg
node 77.66958053984284 7.8934e-05 deg
peri 348.2654756633863 8.1938e-05 deg
M 214.8430586308109 2.1134e-05 deg
tp 2459176.464471549682
(2020-Nov-22.96447155)
8.4064e-05 TDB
period 1428.434684570288
3.91
9.942e-06
2.722e-08
d
yr
n .2520241239509651 1.7541e-09 deg/d
Q 2.851831351053399 1.3233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      24621 days (67.41 yr)  
   first obs. used      1951-02-04  
   last obs. used      2018-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53541  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 17:44:02  

Additional Information
 Earth MOID = 1.12637 au 
 Jupiter MOID = 2.43764 au 
 T_jup = 3.458 
[ 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 14.9   n/a MPO395171  
diameter diameter 5.778 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17561 (1994 AE11)          Discovered 1994-Jan-08 by Spacewatch at Kitt Peak
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 AE11 = 1977 XD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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