Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1396795257748373 2.6452e-08  
a 2.561500658701714 8.7945e-09 au
q 2.203711461422325 6.6278e-08 au
i 14.99157874803162 4.1214e-06 deg
node 185.6939967533422 1.1622e-05 deg
peri 267.4648220912235 1.985e-05 deg
M 153.8026845200942 1.6381e-05 deg
tp 2458360.762881611175
(2018-Aug-30.26288161)
6.6933e-05 TDB
period 1497.40795057376
4.10
7.7117e-06
2.111e-08
d
yr
n .2404154458122513 1.2381e-09 deg/d
Q 2.919289855981102 1.0023e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2416  
   data-arc span      16018 days (43.85 yr)  
   first obs. used      1976-09-24  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42066  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:59:38  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-21 02:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin