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18367 (1991 FS1)
Classification: Main-belt Asteroid          SPK-ID: 2018367
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500695906313024 6.1586e-08  
a 2.422142662101542 1.5021e-08 au
q 2.058652704349351 1.4324e-07 au
i .4082196271908214 5.7337e-06 deg
node 51.58284308762174 0.00062125 deg
peri 180.0093403709128 0.00062136 deg
M 216.4044555454835 1.4689e-05 deg
tp 2458149.707512750904
(2018-Jan-31.20751275)
5.6671e-05 JED
period 1376.886068028045
3.77
1.2808e-05
3.507e-08
d
yr
n .2614595414677893 2.4321e-09 deg/d
Q 2.785632619853733 1.7275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1255  
   data-arc span      22512 days (61.63 yr)  
   first obs. used      1954-06-30  
   last obs. used      2016-02-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53661  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 19:19:41  

Additional Information
 Earth MOID = 1.04771 au 
 Jupiter MOID = 2.20336 au 
 T_jup = 3.497 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO350949  

18367 (1991 FS1)          Discovered 1991-Mar-17 by Debehogne, H. at La Silla
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 FS1 = 1992 RP2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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