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11551 (1993 BR3)
Classification: Main-belt Asteroid          SPK-ID: 2011551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023829140105389 1.5115e-08  
a 2.616140399480849 1.0419e-08 au
q 2.348292321921304 4.0515e-08 au
i 13.15235494254697 5.422e-07 deg
node 120.4007951203483 2.2244e-06 deg
peri 9.13033371921434 9.5635e-06 deg
M 215.0706106576793 1.3018e-05 deg
tp 2459822.719989994241
(2022-Aug-31.21998999)
5.7911e-05 TDB
period 1545.574692713599
4.23
9.2333e-06
2.528e-08
d
yr
n .2329230684852508 1.3915e-09 deg/d
Q 2.883988477040393 1.1486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1949  
   data-arc span      10162 days (27.82 yr)  
   first obs. used      1993-01-21  
   last obs. used      2020-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:50:17  

Additional Information
 Earth MOID = 1.36425 au 
 Jupiter MOID = 2.17872 au 
 T_jup = 3.363 
[ 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 13.78   n/a E2021B10  
diameter diameter 4.680 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.464 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.321   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11551 (1993 BR3)          Discovered 1993-Jan-21 by Urata, T. at Oohira
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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