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49608 (1999 FX28)
Classification: Main-belt Asteroid          SPK-ID: 2049608
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514968668035719 4.316e-08  
a 3.119656419797709 1.9916e-08 au
q 2.647038246694708 1.3895e-07 au
i 1.89685814008592 4.3826e-06 deg
node 69.60402999966415 0.00015443 deg
peri 52.27321499809099 0.00015533 deg
M .9628575990147965 1.6118e-05 deg
tp 2458995.117077372094
(2020-May-25.61707737)
9.0094e-05 TDB
period 2012.6051329177
5.51
1.9273e-05
5.277e-08
d
yr
n .1788726432780698 1.7129e-09 deg/d
Q 3.59227459290071 2.2933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      10593 days (29.00 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:50:54  

Additional Information
 Earth MOID = 1.6634 au 
 Jupiter MOID = 1.48697 au 
 T_jup = 3.198 
[ 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 14.5   n/a MPO452845  
diameter diameter 7.127 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49608 (1999 FX28)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 FX28 = 2001 QW188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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