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JPL Small-Body Database Browser
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305919 (2009 FW61)
Classification: Main-belt Asteroid          SPK-ID: 2305919
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05504554485533555 5.5312e-08  
a 2.681229211597177 2.6865e-08 au
q 2.533639488762768 1.5676e-07 au
i 6.661567958244268 6.0344e-06 deg
node 172.9588319219874 4.0093e-05 deg
peri 182.5538782875648 6.2613e-05 deg
M 33.19565516806207 4.5067e-05 deg
tp 2458852.630677131833
(2020-Jan-04.13067713)
0.00020119 TDB
period 1603.612158369337
4.39
2.4102e-05
6.599e-08
d
yr
n .2244931844156586 3.374e-09 deg/d
Q 2.828818934431585 2.8344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      9534 days (26.10 yr)  
   first obs. used      1993-09-15  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63836  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:41:35  

Additional Information
 Earth MOID = 1.52856 au 
 Jupiter MOID = 2.41277 au 
 T_jup = 3.364 
[ 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  

305919 (2009 FW61)          Discovered 2009-Mar-18 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 FW61 = 2006 QB87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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