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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492653903764951 5.5784e-08  
a 2.48029165466505 1.0588e-08 au
q 2.110069952583908 1.393e-07 au
i 4.732595507437374 5.735e-06 deg
node 77.66254689724298 7.2306e-05 deg
peri 348.5726936177802 7.4823e-05 deg
M 315.4209273275221 1.8958e-05 deg
tp 2459177.177434466589
(2020-Nov-23.67743447)
7.534e-05 TDB
period 1426.765354121861
3.91
9.1358e-06
2.501e-08
d
yr
n .2523189948227831 1.6156e-09 deg/d
Q 2.850513356746192 1.2168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      973  
   data-arc span      25380 days (69.49 yr)  
   first obs. used      1951-02-04  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54197  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:13:58  

Additional Information
 Earth MOID = 1.12414 au 
 Jupiter MOID = 2.43751 au 
 T_jup = 3.459 
[ 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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