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120229 (2004 FX57)
Classification: Main-belt Asteroid          SPK-ID: 2120229
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2080416476836177 5.5176e-08  
a 2.628699162547547 1.9778e-08 au
q 2.081820257506609 1.5039e-07 au
i 12.07002078768588 5.3e-06 deg
node 283.245951687741 3.0539e-05 deg
peri 317.6719299305732 3.3352e-05 deg
M 285.0044105549869 1.5175e-05 deg
tp 2459524.797035886915
(2021-Nov-06.29703589)		 6.7117e-05 TDB
period 1556.71731875497
4.26		 1.7569e-05
4.81e-08		 d
yr
n .2312558585061034 2.6099e-09 deg/d
Q 3.175578067588484 2.3892e-08 au
   Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      7559 days (20.70 yr)  
   first obs. used      2000-05-10  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60336  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:28  

Additional Information
 Earth MOID = 1.08362 au 
 Jupiter MOID = 1.95642 au 
 T_jup = 3.339 
[ 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 15.62   n/a E2021B55  
diameter diameter 5.235 km 0.547 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.045   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

120229 (2004 FX57)          Discovered 2004-Mar-17 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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