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JPL Small-Body Database Browser
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18405 (1993 FY12)
Classification: Main-belt Asteroid          SPK-ID: 2018405
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07581999580161254 3.6965e-08  
a 2.847253242523534 1.2165e-08 au
q 2.631374513629272 1.0511e-07 au
i 9.468773681329344 4.7176e-06 deg
node 164.277792827574 2.1714e-05 deg
peri 67.59934087609254 3.5348e-05 deg
M 115.7723173181047 2.7994e-05 deg
tp 2458036.161347682475
(2017-Oct-09.66134768)
0.00013603 TDB
period 1754.840185811312
4.80
1.1247e-05
3.079e-08
d
yr
n .2051468862582275 1.3148e-09 deg/d
Q 3.063131971417796 1.3088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1915  
   data-arc span      11578 days (31.70 yr)  
   first obs. used      1988-03-22  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50363  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:28:04  

Additional Information
 Earth MOID = 1.63991 au 
 Jupiter MOID = 1.95209 au 
 T_jup = 3.283 
[ 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 13.0   n/a MPO350949  

18405 (1993 FY12)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FY12 = 1998 FS79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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