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74428 (1999 BX3)
Classification: Main-belt Asteroid          SPK-ID: 2074428
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2894109726871869 3.9019e-08  
a 3.100638076426305 2.0652e-08 au
q 2.20327939477684 1.2839e-07 au
i 15.39028629340013 5.1473e-06 deg
node 151.0217095706757 1.5562e-05 deg
peri 262.4185873036635 1.7753e-05 deg
M 301.7605382033975 7.613e-06 deg
tp 2458923.118964514335
(2020-Mar-14.61896451)
4.3199e-05 TDB
period 1994.229061229687
5.46
1.9924e-05
5.455e-08
d
yr
n .1805208874942459 1.8035e-09 deg/d
Q 3.99799675807577 2.6629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      9390 days (25.71 yr)  
   first obs. used      1994-03-14  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5037  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:47:05  

Additional Information
 Earth MOID = 1.27479 au 
 Jupiter MOID = 1.81289 au 
 T_jup = 3.103 
[ 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 14.1   n/a MPO453157  
diameter diameter 4.565 km 0.911 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.256   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74428 (1999 BX3)          Discovered 1999-Jan-20 by Korlevic, K. at Visnjan
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 BX3 = 2002 NL36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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