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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .151496865962155 4.3178e-08  
a 3.119656420264477 1.9929e-08 au
q 2.647038249715693 1.3902e-07 au
i 1.896858112436607 4.3841e-06 deg
node 69.60402998378221 0.00015443 deg
peri 52.27321506058045 0.00015533 deg
M .962857406049038 1.612e-05 deg
tp 2458995.117078449675
(2020-May-25.61707845)
9.0108e-05 TDB
period 2012.605133369393
5.51
1.9285e-05
5.28e-08
d
yr
n .178872643237925 1.714e-09 deg/d
Q 3.592274590813261 2.2948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      936  
   data-arc span      10417 days (28.52 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:31:48  

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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