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11553 Scheria (1993 BD6)
Classification: Main-belt Asteroid          SPK-ID: 2011553
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0577221670297711 3.9589e-08  
a 2.640713925872716 1.2454e-08 au
q 2.488286195565648 1.0662e-07 au
i 2.345713119323348 4.7281e-06 deg
node 333.7615677548467 9.5042e-05 deg
peri 330.7894072842646 0.00010235 deg
M 14.17282389747064 3.7604e-05 deg
tp 2459138.793011698307
(2020-Oct-16.29301170)
0.00016373 TDB
period 1567.402230445701
4.29
1.1089e-05
3.036e-08
d
yr
n .2296793975453459 1.6249e-09 deg/d
Q 2.793141656179783 1.3173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1510  
   data-arc span      10515 days (28.79 yr)  
   first obs. used      1991-11-08  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55317  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:50:19  

Additional Information
 Earth MOID = 1.47144 au 
 Jupiter MOID = 2.33526 au 
 T_jup = 3.392 
[ 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 14.27   n/a E2021B10  
diameter diameter 5.417 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11553 Scheria           Discovered 1993 Jan. 27 by E. W. Elst at Caussols.
The island of Scheria (Corfu), one of the Greek Ionian islands, was first mentioned in Homer's Odyssey.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-10-08Last Updated: 2015-01-12

[ show close-approach data ]
Alternate Designations
 1993 BD6 = 1998 HV68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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