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 ]  
305711 (2009 BF181)
Classification: Main-belt Asteroid          SPK-ID: 2305711
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0910711267537176 7.8222e-08  
a 2.584310248845817 2.5191e-08 au
q 2.348954202602248 1.9113e-07 au
i 6.37665053247381 5.4458e-06 deg
node 149.4563139345807 5.621e-05 deg
peri 83.20009744951749 6.2811e-05 deg
M 181.0775726507539 2.8304e-05 deg
tp 2459754.684638608060
(2022-Jun-24.18463861)
0.00011915 TDB
period 1517.453535150945
4.15
2.2188e-05
6.075e-08
d
yr
n .2372395540692387 3.4688e-09 deg/d
Q 2.819666295089386 2.7485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      9637 days (26.38 yr)  
   first obs. used      1993-06-12  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47418  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:40:43  

Additional Information
 Earth MOID = 1.34879 au 
 Jupiter MOID = 2.18446 au 
 T_jup = 3.408 
[ 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 16.6   n/a MPO450229  

305711 (2009 BF181)          Discovered 2009-Jan-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-04 00:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin