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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101574960396042 3.3582e-08  
a 2.618221898670209 1.094e-08 au
q 2.352276113004732 8.7728e-08 au
i 13.15036200497141 3.7578e-06 deg
node 120.3992831487669 1.5088e-05 deg
peri 8.865205241720224 2.3898e-05 deg
M 168.820511157873 1.9649e-05 deg
tp 2458274.843961716318
(2018-Jun-05.34396172)
8.2651e-05 TDB
period 1547.41963515221
4.24
9.6985e-06
2.655e-08
d
yr
n .2326453612336314 1.4581e-09 deg/d
Q 2.884167684335686 1.2051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1789  
   data-arc span      10059 days (27.54 yr)  
   first obs. used      1993-01-21  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:25:48  

Additional Information
 Earth MOID = 1.36829 au 
 Jupiter MOID = 2.17935 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 13.8   n/a MPO492883  
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. 2019-August); 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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