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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494224717653316 5.2286e-08  
a 2.480725927514535 8.4155e-09 au
q 2.110049727652968 1.2871e-07 au
i 4.732434305570309 5.3391e-06 deg
node 77.66377881960683 4.8611e-05 deg
peri 348.5682322733409 5.193e-05 deg
M 5.887262318009297 1.5019e-05 deg
tp 2459177.161255384597
(2020-Nov-23.66125538)		 5.9572e-05 TDB
period 1427.140087820324
3.91		 7.2621e-06
1.988e-08		 d
yr
n .2522527417401814 1.2836e-09 deg/d
Q 2.851402127376101 9.673e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1255  
   data-arc span      25550 days (69.95 yr)  
   first obs. used      1951-02-04  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49968  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:34:20  

Additional Information
 Earth MOID = 1.12353 au 
 Jupiter MOID = 2.43707 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 14.98   n/a E2021B10  
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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