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5547 Acadiau (1980 LE1)
Classification: Main-belt Asteroid          SPK-ID: 2005547
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1234867945314318 2.2093e-08  
a 2.615867283616345 9.6726e-09 au
q 2.292842217842919 5.6981e-08 au
i 12.71827796746406 4.9593e-07 deg
node 240.5347420472066 1.5874e-06 deg
peri 337.1597876898726 6.8753e-06 deg
M 285.379848392682 1.0119e-05 deg
tp 2459716.813772590557
(2022-May-17.31377259)
4.4537e-05 TDB
period 1545.332670180369
4.23
8.5712e-06
2.347e-08
d
yr
n .2329595477703718 1.2921e-09 deg/d
Q 2.938892349389771 1.0867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2836  
   data-arc span      14913 days (40.83 yr)  
   first obs. used      1980-06-10  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:47:13  

Additional Information
 Earth MOID = 1.28955 au 
 Jupiter MOID = 2.07256 au 
 T_jup = 3.362 
[ 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 12.50   n/a E2021B10  
diameter diameter 9.177 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.642 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Ditteon, R.; Lin, W; Sheerin, M. (2019) Minor Planet Bull. 46, 275-276.]
geometric albedo albedo 0.231   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

5547 Acadiau (1980 LE1)          Discovered 1980-Jun-11 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1980 LE1 = 1984 JW = 1990 VQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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