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JPL Small-Body Database Browser
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15473 (1999 BL9)
Classification: Main-belt Asteroid          SPK-ID: 2015473
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1396795250518407 2.6811e-08  
a 2.561500659227546 8.9343e-09 au
q 2.203711463726665 6.7453e-08 au
i 14.99157568019421 5.0447e-06 deg
node 185.6939995999459 1.192e-05 deg
peri 267.4648160301003 2.35e-05 deg
M 153.8026872752818 1.9314e-05 deg
tp 2458360.762869954075
(2018-Aug-30.26286995)
7.9635e-05 TDB
period 1497.407951034848
4.10
7.8342e-06
2.145e-08
d
yr
n .2404154457382216 1.2578e-09 deg/d
Q 2.919289854728426 1.0182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2230  
   data-arc span      15921 days (43.59 yr)  
   first obs. used      1976-09-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:11:54  

Additional Information
 Earth MOID = 1.27909 au 
 Jupiter MOID = 2.37607 au 
 T_jup = 3.374 
[ 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 12.7   n/a MPO337389  
diameter diameter 6.975 km 0.337 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.331   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15473 (1999 BL9)          Discovered 1999-Jan-23 by Korlevic, K. at Visnjan
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 BL9 = 1976 SM1 = 1984 SX4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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