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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1496718924613702 6.2758e-08  
a 2.422849192774247 1.7246e-08 AU
q 2.060216768943222 1.4773e-07 AU
i .4084291466428392 6.0483e-06 deg
node 51.57285728649119 0.00073116 deg
peri 180.0405016444349 0.00073132 deg
M 59.56675709984179 1.7924e-05 deg
tp 2456772.576315162626
(2014-Apr-25.07631516)
6.9197e-05 JED
period 1377.488561345109
3.77
1.4707e-05
4.027e-08
d
yr
n .2613451828946312 2.7903e-09 deg/d
Q 2.785481616605272 1.9827e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1065  
   data-arc span      21968 days (60.15 yr)  
   first obs. used      1954-06-30  
   last obs. used      2014-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52043  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:09:54  

Additional Information
 Earth MOID = 1.05108 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 14.3 mag n/a MPO302178  

18367 (1991 FS1)          Discovered 1991-Mar-17 by Debehogne, H. at La Silla (809)
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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