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213784 (2003 FY4)
Classification: Main-belt Asteroid          SPK-ID: 2213784
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05620641092474845 5.7397e-08  
a 3.152698346554638 2.5918e-08 au
q 2.975496487766413 1.7997e-07 au
i 18.68781698899347 7.1268e-06 deg
node 180.9203013819267 1.3762e-05 deg
peri 347.5236457615541 4.8894e-05 deg
M 76.87535438721264 4.5908e-05 deg
tp 2458763.876923481735
(2019-Oct-07.37692348)
0.00026068 TDB
period 2044.664493575604
5.60
2.5213e-05
6.903e-08
d
yr
n .1760680058420981 2.1711e-09 deg/d
Q 3.329900205342863 2.7374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      8068 days (22.09 yr)  
   first obs. used      1998-04-19  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60905  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:04  

Additional Information
 Earth MOID = 1.98169 au 
 Jupiter MOID = 1.63394 au 
 T_jup = 3.123 
[ 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 15.52   n/a E2021B55  
diameter diameter 5.260 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213784 (2003 FY4)          Discovered 2003-Mar-25 by Tichy, M. at Klet
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2003 FY4 = 1998 HZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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