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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1499083465957872 6.1586e-08  
a 2.422480504064445 1.5141e-08 au
q 2.059330457039615 1.4327e-07 au
i .4083156046778086 5.7344e-06 deg
node 51.58498008785848 0.00062997 deg
peri 179.9979804947186 0.00063008 deg
M 164.1272598914881 1.4817e-05 deg
tp 2456772.633833687958
(2014-Apr-25.13383369)
5.6981e-05 JED
period 1377.174151458904
3.77
1.2911e-05
3.535e-08
d
yr
n .26140484819486 2.4507e-09 deg/d
Q 2.785630551089275 1.7411e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1239  
   data-arc span      22449 days (61.46 yr)  
   first obs. used      1954-06-30  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53672  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:39:34  

Additional Information
 Earth MOID = 1.04782 au 
 Jupiter MOID = 2.20255 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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