Potentially interesting couple:
Tuesday, November 26, 2024
Thursday, March 21, 2024
2021 KT21 and 2004 GZ13
Backward simulation performed with Mercury6 ``A Hybrid Symplectic Integrator that Permits Close Encounters between Massive Bodies''. Monthly Notices of the Royal Astronomical Society, vol 304, pp793-799.
Simulation based on nominal orbital paramters (21st March 2024)
Simulation parameters
)O+_06 Integration parameters (WARNING: Do not delete this line!!)
) Lines beginning with `)' are ignored.
)---------------------------------------------------------------------
) Important integration parameters:
)---------------------------------------------------------------------
algorithm (MVS, BS, BS2, RADAU, HYBRID etc) = BS
start time (days)= 2460309.50000
stop time (days) = -1e8
output interval (days) = 100
timestep (days) = 0.05
accuracy parameter=1.d-12
Simulation Result
Following a comment from Adrien Coffinet, here is a forward simulation to show that as correctly guessed, the two asteroids might be again in a similar orbital configuration about 20K years from now:
Monday, February 5, 2024
2023 SP50 and 152737 (1998 WF28)
Backward simulation
Mercury6 package by J.E.Chambers (1999) ``A Hybrid Symplectic Integrator that Permits Close Encounters between Massive Bodies''. Monthly Notices of the Royal Astronomical Society, vol 304, pp793-799.
)---------------------------------------------------------------------
) Important integration parameters:
)---------------------------------------------------------------------
algorithm (MVS, BS, BS2, RADAU, HYBRID etc) = BS
start time (days)= 2460106.5
) stop time (days) = 102458000.5
stop time (days) = -1e8
output interval (days) = 100
timestep (days) = 0.05
accuracy parameter=1.d-12
Result
Saturday, February 3, 2024
2022 QZ273 and 2002 RZ12
Backward simulation
Mercury6 package by J.E.Chambers (1999) ``A Hybrid Symplectic Integrator that Permits Close Encounters between Massive Bodies''. Monthly Notices of the Royal Astronomical Society, vol 304, pp793-799.
)---------------------------------------------------------------------
) Important integration parameters:
)---------------------------------------------------------------------
algorithm (MVS, BS, BS2, RADAU, HYBRID etc) = BS
start time (days)= 2460106.5
) stop time (days) = 102458000.5
stop time (days) = -1e8
output interval (days) = 1
timestep (days) = 0.05
accuracy parameter=1.d-12
Result
Monday, January 15, 2024
2015 TB430 and 1997 YF7
Interesting couple.
Simulation based on nominal orbital parameters
Mercury6 software
)---------------------------------------------------------------------
) Important integration parameters:
)---------------------------------------------------------------------
algorithm (MVS, BS, BS2, RADAU, HYBRID etc) = BS
start time (days)= 2460106.5
) stop time (days) = 102458000.5
stop time (days) = -1e8
output interval (days) = 100
timestep (days) = 0.05
accuracy parameter=1.d-12
Simulation result
Thursday, December 28, 2023
2023 SV69 and 2001 US116
Backward integration based on nominal orbit performed with Mercury6 software
Monday, November 6, 2023
358P/PANSTARRS and 292547 (2006 TE55) and 300233 (2006 YX8)
a e i om w q
358P/PANSTARRS 3.146644 0.2388745 11.06014 85.70234 299.7696 2.394991
292547 (2006 TE55) 3.140893 0.2428301 11.11777 88.23864 298.1447 2.378189
300233 (2006 YX8) 3.138883 0.2418392 11.21893 87.87625 301.6746 2.379778Backward simulation done with Mercury 6
)---------------------------------------------------------------------
) Important integration parameters:
)---------------------------------------------------------------------
algorithm (MVS, BS, BS2, RADAU, HYBRID etc) = BS
start time (days)= 2460106.5
stop time (days) = -1e8
output interval (days) = 100
timestep (days) = 0.05
accuracy parameter=1.d-12
Plots
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