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186579 (2003 AL57)
Classification: Main-belt Asteroid          SPK-ID: 2186579
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918862606049456 4.2557e-08  
a 2.700575679814554 1.6355e-08 au
q 2.182372311134281 1.1779e-07 au
i 11.19055901520876 5.8942e-06 deg
node 328.5087590709102 2.1081e-05 deg
peri 253.6726815951403 2.575e-05 deg
M 296.8038110935195 1.4532e-05 deg
tp 2459485.058356020888
(2021-Sep-27.55835602)
6.5981e-05 TDB
period 1620.99977767828
4.44
1.4726e-05
4.032e-08
d
yr
n .2220851630933716 2.0175e-09 deg/d
Q 3.218779048494828 1.9494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      8926 days (24.44 yr)  
   first obs. used      1996-11-09  
   last obs. used      2021-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50374  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:18  

Additional Information
 Earth MOID = 1.20558 au 
 Jupiter MOID = 1.91861 au 
 T_jup = 3.314 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.37   n/a MPCxxxxx  

186579 (2003 AL57)          Discovered 2003-Jan-05 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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