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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1422755324467218 6.5015e-08  
a 3.153917162921763 6.061e-08 au
q 2.705191919274215 1.9885e-07 au
i 17.25404441405351 7.1021e-06 deg
node 196.1043624993232 2.0677e-05 deg
peri 18.97729859513845 3.0785e-05 deg
M 274.9636322602342 2.6931e-05 deg
tp 2459083.754660651334
(2020-Aug-22.25466065)
0.00016268 TDB
period 2045.850292746282
5.60
5.8974e-05
1.615e-07
d
yr
n .1759659547311 5.0724e-09 deg/d
Q 3.602642406569311 6.9234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      13848 days (37.91 yr)  
   first obs. used      1981-03-07  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61984  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:11:03  

Additional Information
 Earth MOID = 1.70589 au 
 Jupiter MOID = 1.37045 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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