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 ]  
305697 (2009 BR149)
Classification: Main-belt Asteroid          SPK-ID: 2305697
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724198670704167 5.8696e-08  
a 2.577582545289144 2.3376e-08 au
q 2.133156105467364 1.5657e-07 au
i 9.413223584153572 6.1845e-06 deg
node 157.0313692930788 3.2655e-05 deg
peri 183.8461133332801 3.8516e-05 deg
M 75.60047303678748 1.7278e-05 deg
tp 2458683.076327312789
(2019-Jul-18.57632731)
7.4323e-05 TDB
period 1511.531840704099
4.14
2.0562e-05
5.63e-08
d
yr
n .2381689821580639 3.2399e-09 deg/d
Q 3.022008985110924 2.7406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      9206 days (25.20 yr)  
   first obs. used      1994-08-10  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58743  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:40:25  

Additional Information
 Earth MOID = 1.12471 au 
 Jupiter MOID = 2.38008 au 
 T_jup = 3.387 
[ 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 16.4   n/a MPO450229  
diameter diameter 3.572 km 0.549 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305697 (2009 BR149)          Discovered 2009-Jan-31 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 BR149 = 1994 PT37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-04 00:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin