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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2896728063005291 3.8852e-08  
a 3.101536924892875 2.0382e-08 au
q 2.203106020014443 1.2812e-07 au
i 15.39002948247716 5.0082e-06 deg
node 151.0176916021923 1.5411e-05 deg
peri 262.4193296864325 1.7633e-05 deg
M 13.9687437854029 7.6647e-06 deg
tp 2458923.086141976986
(2020-Mar-14.58614198)
4.2218e-05 TDB
period 1995.09628900258
5.46
1.9667e-05
5.385e-08
d
yr
n .1804424187365798 1.7787e-09 deg/d
Q 3.999967829771307 2.6287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      9457 days (25.89 yr)  
   first obs. used      1994-03-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49943  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:15:54  

Additional Information
 Earth MOID = 1.27504 au 
 Jupiter MOID = 1.81302 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 14.2   n/a MPO502607  
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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