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181401 (2006 SF117)
Classification: Main-belt Asteroid          SPK-ID: 2181401
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111950404105466 6.7586e-08  
a 2.186030877210524 7.9282e-09 au
q 1.94130383711978 1.4703e-07 au
i .5956010515793733 5.7e-06 deg
node 82.23073269610562 0.0006081 deg
peri 296.5682515447618 0.00060847 deg
M 202.5255925910438 2.2188e-05 deg
tp 2459912.904890844236
(2022-Nov-29.40489084)
7.4028e-05 TDB
period 1180.545866231669
3.23
6.4223e-06
1.758e-08
d
yr
n .3049436792736642 1.6589e-09 deg/d
Q 2.430757917301269 8.8158e-09 au
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      10096 days (27.64 yr)  
   first obs. used      1993-09-18  
   last obs. used      2021-05-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:38:12  

Additional Information
 Earth MOID = .942465 au 
 Jupiter MOID = 3.00158 au 
 T_jup = 3.668 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457141.5 (2015-Apr-29.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122465948638561 6.7684e-08  
q 1.940682132055238 1.473e-07 au
tp 2457550.173696574659
(2016-Jun-10.67369657)
6.8629e-05 TDB
node 82.16270121780303 0.00060706 deg
peri 296.3520976369696 0.00060743 deg
i .5963442719638925 5.7049e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      10096 days (27.64 yr)  
   first obs. used      1993-09-18  
   last obs. used      2021-05-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:38:12  

Additional Information
 Jupiter MOID = 3.00158 au 
 T_jup = 3.668 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.581147279613406E-15 -9.958596262876299E-15 1.559128412132868E-12 -1.010206859525831E-13 5.604453265762694E-13 -2.497226134559012E-16
q -9.958596262876299E-15 2.169682569395119E-14 -3.253427749871457E-12 2.182122940836079E-13 -1.181308107994301E-12 5.377448152051793E-16
tp 1.559128412132868E-12 -3.253427749871457E-12 4.709937626888645E-9 -6.088289780372425E-11 1.502882408974693E-9 -3.259815892998669E-13
node -1.010206859525831E-13 2.182122940836079E-13 -6.088289780372425E-11 3.685209907329207E-7 -3.685177377410529E-7 -1.737133593892405E-9
peri 5.604453265762694E-13 -1.181308107994301E-12 1.502882408974693E-9 -3.685177377410529E-7 3.68971007089472E-7 1.736937903657078E-9
i -2.497226134559012E-16 5.377448152051793E-16 -3.259815892998669E-13 -1.737133593892405E-9 1.736937903657078E-9 3.254569891000911E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO345363  

181401 (2006 SF117)          Discovered 2006-Sep-24 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2006 SF117 = 2003 YC28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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