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305913 (2009 FM57)
Classification: Main-belt Asteroid          SPK-ID: 2305913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420745317221525 5.6627e-08  
a 3.152615679576661 3.6931e-08 au
q 2.704709283200891 1.8956e-07 au
i 17.25635434848479 6.5672e-06 deg
node 196.0953832462296 1.6558e-05 deg
peri 19.12307802553173 2.5305e-05 deg
M 345.2353788443417 1.8645e-05 deg
tp 2459084.354192439054
(2020-Aug-22.85419244)
0.00010632 TDB
period 2044.584074308647
5.60
3.5927e-05
9.836e-08
d
yr
n .1760749310941052 3.0939e-09 deg/d
Q 3.600522075952431 4.2178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      14294 days (39.13 yr)  
   first obs. used      1981-03-07  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57627  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:44  

Additional Information
 Earth MOID = 1.70522 au 
 Jupiter MOID = 1.37185 au 
 T_jup = 3.122 
[ 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 15.7   n/a MPO427633  
diameter diameter 4.195 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305913 (2009 FM57)          Discovered 2009-Mar-31 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 FM57 = 1981 EK36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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