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JPL Small-Body Database Browser
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48100 (2001 FW57)
Classification: Main-belt Asteroid          SPK-ID: 2048100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363209165084469 4.1267e-08  
a 2.671091211511991 1.5082e-08 au
q 2.306965609481018 1.1078e-07 au
i 12.76368635263805 6.071e-06 deg
node 355.2805223553706 1.8348e-05 deg
peri 220.1122126147399 2.7442e-05 deg
M 131.5625563305048 2.0109e-05 deg
tp 2458417.778144238918
(2018-Oct-26.27814424)
8.8357e-05 TDB
period 1594.525630430828
4.37
1.3505e-05
3.697e-08
d
yr
n .2257724762334054 1.9123e-09 deg/d
Q 3.035216813542963 1.7138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1430  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1998-09-15  
   last obs. used      2019-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:27:28  

Additional Information
 Earth MOID = 1.31753 au 
 Jupiter MOID = 1.98515 au 
 T_jup = 3.333 
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Orbital Elements at Epoch 2456679.5 (2014-Jan-22.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1350350409095424 4.1372e-08  
q 2.311108738510026 1.1093e-07 au
tp 2456822.366553370312
(2014-Jun-13.86655337)
8.8835e-05 TDB
node 355.360558761386 1.8344e-05 deg
peri 220.2007714774036 2.7558e-05 deg
i 12.76395610711414 6.07e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1430  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1998-09-15  
   last obs. used      2019-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:27:28  

Additional Information
 Jupiter MOID = 1.98515 au 
 T_jup = 3.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.711618876823888E-15 -4.557423485169301E-15 -1.48759636299483E-12 1.263137954956843E-15 -3.451872340315125E-13 4.026481825026534E-15
q -4.557423485169301E-15 1.230543845817057E-14 3.919893848392191E-12 -2.48837776802469E-15 9.045903585248742E-13 -9.974069083551802E-15
tp -1.48759636299483E-12 3.919893848392191E-12 7.891628026405815E-9 -1.44159955077461E-11 1.840422180590591E-9 -6.983661625857592E-12
node 1.263137954956843E-15 -2.48837776802469E-15 -1.44159955077461E-11 3.364855061056746E-10 -3.309556890730778E-10 -2.456718397395527E-11
peri -3.451872340315125E-13 9.045903585248742E-13 1.840422180590591E-9 -3.309556890730778E-10 7.594247084977671E-10 2.239838388045272E-11
i 4.026481825026534E-15 -9.974069083551802E-15 -6.983661625857592E-12 -2.456718397395527E-11 2.239838388045272E-11 3.684450612399684E-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 14.3   n/a MPO493196  
diameter diameter 3.329 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.400   0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48100 (2001 FW57)          Discovered 2001-Mar-21 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2001 FW57 = 1998 SU86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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