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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05743702660534508 4.0244e-08  
a 2.638839807337648 1.2442e-08 au
q 2.487272695116352 1.0781e-07 au
i 2.34489993225879 4.8312e-06 deg
node 333.8042604138238 9.6375e-05 deg
peri 331.9414064138091 0.00010389 deg
M 235.1572545546243 3.8606e-05 deg
tp 2459143.473678712896
(2020-Oct-20.97367871)
0.00016789 TDB
period 1565.733945046647
4.29
1.1074e-05
3.032e-08
d
yr
n .2299241203391516 1.6262e-09 deg/d
Q 2.790406919558944 1.3157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1426  
   data-arc span      10036 days (27.48 yr)  
   first obs. used      1991-11-08  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56065  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:12:45  

Additional Information
 Earth MOID = 1.47174 au 
 Jupiter MOID = 2.34148 au 
 T_jup = 3.393 
[ 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 14.3   n/a MPO473923  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1980-Aug-13 04:09 < 00:01 Juno 0.0248872521647311 0.0248830394119966 0.0248914649314518 7.10960506617763 7.10960499741958 2444464.672763090 0.361804383721818 212.138081250237 39.6231508424902 -8.26692189658524 21995.3120621651 T 19 CATAB v2.0e-lin.ifort 2019-Jul-12 19:12:50 2019-Jul-12 19:12

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