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19212 (1993 FL18)
Classification: Main-belt Asteroid          SPK-ID: 2019212
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08322200749915686 3.4226e-08  
a 2.740504616190528 1.2202e-08 au
q 2.512434320470446 9.3709e-08 au
i 5.059971173680288 3.2437e-06 deg
node 89.62476764306442 4.2602e-05 deg
peri 315.3775416496965 4.7745e-05 deg
M 178.1170165262268 2.1913e-05 deg
tp 2458380.625941709822
(2018-Sep-19.12594171)
9.9787e-05 TDB
period 1657.082892700508
4.54
1.1067e-05
3.03e-08
d
yr
n .217249240569563 1.4509e-09 deg/d
Q 2.96857491191061 1.3217e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1888  
   data-arc span      10199 days (27.92 yr)  
   first obs. used      1993-03-17  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4906  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:49:03  

Additional Information
 Earth MOID = 1.52408 au 
 Jupiter MOID = 2.3407 au 
 T_jup = 3.339 
[ 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 14.16   n/a E2021B10  
diameter diameter 4.681 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.321   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19212 (1993 FL18)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 FL18 = 2000 RD62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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