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 ]  
249441 (2009 FL57)
Classification: Main-belt Asteroid          SPK-ID: 2249441
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850030116907646 5.8376e-08  
a 3.003936747017703 3.0993e-08 au
q 2.448199401890869 1.8172e-07 au
i 3.933986869992579 5.1281e-06 deg
node 38.66492668723853 0.00010826 deg
peri 245.6365544371905 0.00010974 deg
M 353.4498432594933 1.8459e-05 deg
tp 2459035.100613078598
(2020-Jul-04.60061308)
9.7723e-05 TDB
period 1901.667578619161
5.21
2.943e-05
8.057e-08
d
yr
n .1893075341071983 2.9297e-09 deg/d
Q 3.559674092144536 3.6726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      9533 days (26.10 yr)  
   first obs. used      1993-03-19  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70931  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:11:03  

Additional Information
 Earth MOID = 1.43513 au 
 Jupiter MOID = 1.62012 au 
 T_jup = 3.222 
[ 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 16.5   n/a MPO433634  
diameter diameter 2.676 km 0.797 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249441 (2009 FL57)          Discovered 2009-Mar-26 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ 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-12 10:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin