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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09952974223687282 4.9762e-08  
a 1.98441396082161 9.311e-09 au
q 1.786905750809783 1.0194e-07 au
i 21.01974310513253 8.5933e-06 deg
node 200.6667807024138 1.3041e-05 deg
peri 247.5771456963948 4.5345e-05 deg
M 79.18992403065857 4.4468e-05 deg
tp 2458975.897667014437
(2020-May-06.39766701)
0.00012557 TDB
period 1021.049595192172
2.80
7.1863e-06
1.968e-08
d
yr
n .3525783680784323 2.4815e-09 deg/d
Q 2.181922170833437 1.0238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      6207 days (16.99 yr)  
   first obs. used      2004-03-17  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:55:21  

Additional Information
 Earth MOID = .863646 au 
 Jupiter MOID = 3.03498 au 
 T_jup = 3.769 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457583.5 (2016-Jul-14.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09922871465336271 4.9695e-08  
q 1.787498031480762 1.0176e-07 au
tp 2457954.276530413363
(2017-Jul-19.77653041)
0.00012387 TDB
node 200.6941168651238 1.3034e-05 deg
peri 247.4043351934923 4.5539e-05 deg
i 21.02535185855836 8.5956e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      6207 days (16.99 yr)  
   first obs. used      2004-03-17  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:55:21  

Additional Information
 Jupiter MOID = 3.03498 au 
 T_jup = 3.769 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.469610529409295E-15 -5.041712762223802E-15 -9.072104125233221E-13 1.064577267313886E-14 -1.700825187447438E-13 -3.796824709142985E-15
q -5.041712762223802E-15 1.035448810152035E-14 2.108452613280667E-12 -2.28906894164395E-14 4.318529875015877E-13 1.000271415413903E-14
tp -9.072104125233221E-13 2.108452613280667E-12 1.534316123876806E-8 -2.126619591144024E-11 5.400833395848372E-9 5.027076798826385E-11
node 1.064577267313886E-14 -2.28906894164395E-14 -2.126619591144024E-11 1.698896066399328E-10 -1.646328707873631E-10 -3.561563918619632E-11
peri -1.700825187447438E-13 4.318529875015877E-13 5.400833395848372E-9 -1.646328707873631E-10 2.073823818353618E-9 5.100205385996481E-11
i -3.796824709142985E-15 1.000271415413903E-14 5.027076798826385E-11 -3.561563918619632E-11 5.100205385996481E-11 7.388485719880862E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1991-Nov-02 01:30 < 00:01 Iris 0.023533428517704 0.023532344455256 0.0235345132605674 7.58729250988763 7.58729247769169 2448562.562405289 0.46095548463152 281.137488442834 37.3429474629106 -81.9337562383985 93343.3727550323 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 22:55:22 2021-Apr-13 22:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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