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19218 (1993 FH49)
Classification: Main-belt Asteroid          SPK-ID: 2019218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07373396720151128 3.3373e-08  
a 2.894835450196595 1.0263e-08 au
q 2.681387748058027 9.8543e-08 au
i 1.652373763775911 4.1308e-06 deg
node 190.1026899897275 0.00010704 deg
peri 228.0213500125801 0.00011086 deg
M 347.0521141175859 2.717e-05 deg
tp 2459265.203922991706
(2021-Feb-19.70392299)
0.00013577 TDB
period 1799.012787767256
4.93
9.5672e-06
2.619e-08
d
yr
n .200109750440848 1.0642e-09 deg/d
Q 3.108283152335163 1.102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1763  
   data-arc span      11133 days (30.48 yr)  
   first obs. used      1990-08-20  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50804  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:49:09  

Additional Information
 Earth MOID = 1.69301 au 
 Jupiter MOID = 2.13754 au 
 T_jup = 3.285 
[ 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 14.36   n/a E2021B10  
diameter diameter 4.367 km 0.263 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.212   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19218 (1993 FH49)          Discovered 1993-Mar-19 by UESAC at La Silla
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FH49 = 1990 QR13 = 1995 SL12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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