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154990 (2005 AA66)
Classification: Jupiter Trojan          SPK-ID: 2154990
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08363894389699041 7.7533e-08  
a 5.230306785121963 1.6684e-07 au
q 4.792849449357099 4.9282e-07 au
i 12.94829318701122 7.9655e-06 deg
node 127.2668986892362 3.1944e-05 deg
peri 158.2281691202249 6.5874e-05 deg
M 302.1079957627271 6.571e-05 deg
tp 2459703.095325861006
(2022-May-03.59532586)
0.00081408 TDB
period 4369.071698974178
11.96
0.00020906
5.724e-07
d
yr
n .08239736603190216 3.9427e-09 deg/d
Q 5.667764120886827 1.808e-07 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      6815 days (18.66 yr)  
   first obs. used      2000-09-05  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56966  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:29:07  

Additional Information
 Earth MOID = 3.78038 au 
 Jupiter MOID = .239777 au 
 T_jup = 2.942 
[ 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 12.8   n/a MPO432990  
diameter diameter 13.272 km 0.622 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.063   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

154990 (2005 AA66)          Discovered 2005-Jan-13 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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