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JPL Small-Body Database Browser
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19403 (1998 FA1)
Classification: Main-belt Asteroid          SPK-ID: 2019403
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04786491726378781 4.5328e-08  
a 2.629681714733533 1.3831e-08 au
q 2.503812217027716 1.1816e-07 au
i 3.63328826416649 4.2136e-06 deg
node 73.82489557193524 7.5993e-05 deg
peri 269.3310430514765 9.0046e-05 deg
M 279.9008693012154 5.0262e-05 deg
tp 2459347.060058870918
(2021-May-12.56005887)
0.00021784 TDB
period 1557.590202354388
4.26
1.2288e-05
3.364e-08
d
yr
n .2311262612308674 1.8234e-09 deg/d
Q 2.755551212439348 1.4493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1178  
   data-arc span      8229 days (22.53 yr)  
   first obs. used      1996-10-14  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54696  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:07:51  

Additional Information
 Earth MOID = 1.4987 au 
 Jupiter MOID = 2.42327 au 
 T_jup = 3.396 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO474021  
diameter diameter 3.545 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.268   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19403 (1998 FA1)          Discovered 1998-Mar-18 by Spacewatch at Kitt Peak
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FA1 = 1999 NJ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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