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74507 (1999 FX)
Classification: Main-belt Asteroid          SPK-ID: 2074507
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139633649476845 4.8997e-08  
a 3.188426735033389 2.0821e-08 au
q 2.825062895419824 1.5693e-07 au
i 5.124463380023599 6.3315e-06 deg
node 10.56635611105635 4.1114e-05 deg
peri 147.3812996285691 4.8657e-05 deg
M 293.8742252644184 2.5071e-05 deg
tp 2459382.471853851103
(2021-Jun-16.97185385)
0.00014609 TDB
period 2079.519944170945
5.69
2.0369e-05
5.577e-08
d
yr
n .1731168777722512 1.6957e-09 deg/d
Q 3.551790574646954 2.3194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1181  
   data-arc span      7623 days (20.87 yr)  
   first obs. used      1999-03-17  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:17:29  

Additional Information
 Earth MOID = 1.8357 au 
 Jupiter MOID = 1.4312 au 
 T_jup = 3.181 
[ 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 14.0   n/a MPO366104  
diameter diameter 8.167 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74507 (1999 FX)          Discovered 1999-Mar-17 by ODAS at Caussols
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 FX = 2001 QY107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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