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56091 (1999 BJ)
Classification: Main-belt Asteroid          SPK-ID: 2056091
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324560850142663 2.6785e-08  
a 2.472202593454294 8.6648e-09 au
q 2.144744316563223 6.5856e-08 au
i 3.296290941606383 3.9014e-06 deg
node 353.4160714225871 5.383e-05 deg
peri 118.7299727992114 5.6699e-05 deg
M 190.4999323727116 1.9991e-05 deg
tp 2459668.985341377741
(2022-Mar-30.48534138)
8.0855e-05 TDB
period 1419.791309022717
3.89
7.4643e-06
2.044e-08
d
yr
n .2535583910904472 1.333e-09 deg/d
Q 2.799660870345365 9.8125e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1391  
   data-arc span      9925 days (27.17 yr)  
   first obs. used      1993-08-18  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:00:58  

Additional Information
 Earth MOID = 1.16359 au 
 Jupiter MOID = 2.29432 au 
 T_jup = 3.469 
[ 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 15.1   n/a MPO385177  
diameter diameter 2.244 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.384   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56091 (1999 BJ)          Discovered 1999-Jan-16 by Kobayashi, T. at Oizumi
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 BJ = 2001 QZ20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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