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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04773123189902657 4.2635e-08  
a 2.630842106916803 1.362e-08 au
q 2.505268772221833 1.1204e-07 au
i 3.631425641722651 4.1637e-06 deg
node 73.80681001983375 7.3421e-05 deg
peri 268.583342625892 8.7564e-05 deg
M 326.8271193017224 4.9342e-05 deg
tp 2459344.122105501423
(2021-May-09.62210550)
0.00021376 TDB
period 1558.621286188054
4.27
1.2103e-05
3.314e-08
d
yr
n .2309733629267043 1.7936e-09 deg/d
Q 2.756415441611773 1.427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1259  
   data-arc span      8703 days (23.83 yr)  
   first obs. used      1996-10-14  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54025  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:53:34  

Additional Information
 Earth MOID = 1.49808 au 
 Jupiter MOID = 2.41945 au 
 T_jup = 3.395 
[ 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 14.46   n/a E2021B10  
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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