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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
212955 (2009 BF47)
Classification: Main-belt Asteroid          SPK-ID: 2212955
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2762173748871022 3.3302e-08  
a 2.528710776918428 1.9418e-08 au
q 1.830236924269295 8.8955e-08 au
i 2.355875856879575 5.1877e-06 deg
node 181.5194480441739 0.00013357 deg
peri 219.9007003965731 0.00013483 deg
M 269.1276325133267 2.0388e-05 deg
tp 2458971.246029021593
(2020-May-01.74602902)
8.4023e-05 TDB
period 1468.74758674409
4.02
1.6918e-05
4.632e-08
d
yr
n .2451067857058037 2.8233e-09 deg/d
Q 3.227184629567561 2.4782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      8270 days (22.64 yr)  
   first obs. used      1997-03-04  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5242  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:47:47  

Additional Information
 Earth MOID = .838784 au 
 Jupiter MOID = 2.19014 au 
 T_jup = 3.397 
[ 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 16.5   n/a MPO450009  

212955 (2009 BF47)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2009 BF47 = 1997 EK21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin