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201942 (2004 FS1)
Classification: Inner Main-belt Asteroid          SPK-ID: 2201942
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09952976058259029 5.3271e-08  
a 1.984413958469343 9.5791e-09 au
q 1.786905712286139 1.0942e-07 au
i 21.01974284798051 8.6662e-06 deg
node 200.6667821938275 1.3422e-05 deg
peri 247.5771543210363 4.6449e-05 deg
M 79.18991689947894 4.4987e-05 deg
tp 2458975.897687639593
(2020-May-06.39768764)		 0.0001271 TDB
period 1021.049593376688
2.80		 7.3932e-06
2.024e-08		 d
yr
n .3525783687053368 2.5529e-09 deg/d
Q 2.181922204652547 1.0533e-08 au
   Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      5793 days (15.86 yr)  
   first obs. used      2004-03-17  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:14:43  

Additional Information
 Earth MOID = .863646 au 
 Jupiter MOID = 3.03498 au 
 T_jup = 3.769 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457506.5 (2016-Apr-28.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09926329563201541 5.3179e-08  
q 1.787364174056903 1.0917e-07 au
tp 2457954.286767199693
(2017-Jul-19.78676720)		 0.00012568 TDB
node 200.6952546941064 1.3416e-05 deg
peri 247.4149323705802 4.6638e-05 deg
i 21.02529047371645 8.6686e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      5793 days (15.86 yr)  
   first obs. used      2004-03-17  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:14:43  

Additional Information
 Jupiter MOID = 3.03498 au 
 T_jup = 3.769 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.828022746655362E-15 -5.79020835314295E-15 -5.000344690636781E-13 8.243127213815203E-15 1.839964064229409E-14 -1.422247872202157E-15
q -5.79020835314295E-15 1.191763079317555E-14 1.257735449482377E-12 -1.787293395109777E-14 3.80873451128248E-14 5.0456307021558E-15
tp -5.000344690636781E-13 1.257735449482377E-12 1.579620486454746E-8 -1.584937121661708E-11 5.604203616779452E-9 5.009296535130965E-11
node 8.243127213815203E-15 -1.787293395109777E-14 -1.584937121661708E-11 1.799949448192747E-10 -1.723268727361673E-10 -3.917378402703598E-11
peri 1.839964064229409E-14 3.80873451128248E-14 5.604203616779452E-9 -1.723268727361673E-10 2.175124332344949E-9 5.450286168119364E-11
i -1.422247872202157E-15 5.0456307021558E-15 5.009296535130965E-11 -3.917378402703598E-11 5.450286168119364E-11 7.514424607459753E-11

[ 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 17.7   n/a MPO449981  

201942 (2004 FS1)          Discovered 2004-Mar-17 by CSS at Catalina
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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