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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2081501956554428 5.9641e-08  
a 2.628801606883278 2.1762e-08 au
q 2.081616038071181 1.5924e-07 au
i 12.07066940961056 5.6289e-06 deg
node 283.2469715018796 3.4069e-05 deg
peri 317.65411346381 3.6601e-05 deg
M 238.7868073056558 1.5031e-05 deg
tp 2459524.682519463146
(2021-Nov-06.18251946)
6.7543e-05 TDB
period 1556.808321042907
4.26
1.9331e-05
5.293e-08
d
yr
n .2312423405848933 2.8714e-09 deg/d
Q 3.175987175695375 2.6291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      7178 days (19.65 yr)  
   first obs. used      2000-05-10  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 17:01:51  

Additional Information
 Earth MOID = 1.08493 au 
 Jupiter MOID = 1.95705 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 15.6   n/a MPO453673  
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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