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249442 (2009 FO57)
Classification: Main-belt Asteroid          SPK-ID: 2249442
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08662669261280008 5.8361e-08  
a 3.138264541860492 3.9147e-08 au
q 2.866407064055093 2.0335e-07 au
i 5.535880822386527 5.545e-06 deg
node 169.9820119872162 5.4639e-05 deg
peri 68.7180986380134 6.6419e-05 deg
M 329.5656997308708 3.4412e-05 deg
tp 2459172.169669909263
(2020-Nov-18.66966991)
0.00019418 TDB
period 2030.639134819281
5.56
3.7996e-05
1.04e-07
d
yr
n .1772840845165916 3.3172e-09 deg/d
Q 3.410122019665891 4.2538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      8924 days (24.43 yr)  
   first obs. used      1995-11-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60314  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:43:56  

Additional Information
 Earth MOID = 1.86069 au 
 Jupiter MOID = 1.60012 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457625.5 (2016-Aug-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08635480732815327 5.8307e-08  
q 2.869185851218361 2.0315e-07 au
tp 2457135.536986888509
(2015-Apr-23.03698689)
0.00019761 TDB
node 170.0040979358822 5.4635e-05 deg
peri 67.97032202917909 6.6493e-05 deg
i 5.534973945793413 5.5445e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      8924 days (24.43 yr)  
   first obs. used      1995-11-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60314  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:43:56  

Additional Information
 Jupiter MOID = 1.60012 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.399668864279636E-15 -1.170605133729945E-14 4.376793280050116E-13 1.38603953255358E-14 9.516643613036049E-14 -7.259570585095106E-15
q -1.170605133729945E-14 4.127177322750586E-14 -2.536164189672681E-12 -4.573201694629563E-14 -4.798327602194009E-13 2.718816029162317E-14
tp 4.376793280050116E-13 -2.536164189672681E-12 3.905059176928046E-8 -3.594653617026535E-11 7.521943715706983E-9 -1.557478557417494E-12
node 1.38603953255358E-14 -4.573201694629563E-14 -3.594653617026535E-11 2.984999132300604E-9 -2.977231597232227E-9 6.418048454723534E-11
peri 9.516643613036049E-14 -4.798327602194009E-13 7.521943715706983E-9 -2.977231597232227E-9 4.421344029917344E-9 -6.409656316960897E-11
i -7.259570585095106E-15 2.718816029162317E-14 -1.557478557417494E-12 6.418048454723534E-11 -6.409656316960897E-11 3.074199087380356E-11

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 15.8   n/a MPO470661  
diameter diameter 3.550 km 0.563 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249442 (2009 FO57)          Discovered 2009-Mar-19 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 FO57 = 2005 SZ159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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