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91303 (1999 FG41)
Classification: Main-belt Asteroid          SPK-ID: 2091303
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1377396193982118 3.4805e-08  
a 2.224163472362894 8.301e-09 au
q 1.917808042200224 8.0019e-08 au
i 3.299519562575049 3.6281e-06 deg
node 178.7225864408845 6.065e-05 deg
peri 248.7786523775589 6.2337e-05 deg
M 228.2528515202441 1.5914e-05 deg
tp 2459443.891339750583
(2021-Aug-17.39133975)
5.5102e-05 TDB
period 1211.569921262751
3.32
6.7827e-06
1.857e-08
d
yr
n .2971351415069733 1.6634e-09 deg/d
Q 2.530518902525564 9.4443e-09 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      9497 days (26.00 yr)  
   first obs. used      1994-10-09  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:40:22  

Additional Information
 Earth MOID = .934525 au 
 Jupiter MOID = 2.73731 au 
 T_jup = 3.632 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457279.5 (2015-Sep-14.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383472649084321 3.487e-08  
q 1.915915025855322 8.0209e-08 au
tp 2457022.664853556936
(2014-Dec-31.16485356)
4.7404e-05 TDB
node 178.7847380448176 6.0659e-05 deg
peri 248.8931774199456 6.2326e-05 deg
i 3.29920065563553 3.6289e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      9497 days (26.00 yr)  
   first obs. used      1994-10-09  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:40:22  

Additional Information
 Jupiter MOID = 2.73731 au 
 T_jup = 3.632 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.215894288786719E-15 -2.787047029101217E-15 -4.162156593298497E-13 6.294105784570853E-15 -1.090494329878685E-13 -1.221823040893949E-15
q -2.787047029101217E-15 6.433418703408807E-15 1.073225737621334E-12 -1.466748416462053E-14 2.869945218596595E-13 2.915535684697107E-15
tp -4.162156593298497E-13 1.073225737621334E-12 2.247170871057965E-9 1.170588277994464E-12 6.890057994405064E-10 1.611899759045701E-12
node 6.294105784570853E-15 -1.466748416462053E-14 1.170588277994464E-12 3.679549521753758E-9 -3.672468442206945E-9 2.59280384972466E-11
peri -1.090494329878685E-13 2.869945218596595E-13 6.890057994405064E-10 -3.672468442206945E-9 3.88459101929805E-9 -2.541479622170004E-11
i -1.221823040893949E-15 2.915535684697107E-15 1.611899759045701E-12 2.59280384972466E-11 -2.541479622170004E-11 1.316891479802593E-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 16.1   n/a MPO432451  

91303 (1999 FG41)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 FG41 = 2001 XD30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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