hannorein

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• [docs] gravity.md notations

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  question

  Difficulty 1/5 Under an hour Newbie friendliness 68/100

  hannorein/rebound#946 · Opened Nov 3, 2026

• Possible bug in tree collision search for clustered particle simulations

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  bug

  Difficulty 4/5 3-5 days Newbie friendliness 52/100

  hannorein/rebound#907 · 2 comments · Opened May 6, 2026

• Implementing discrete PPN time dilation and Quadrupole orbital decay in N-body engines (String-Star Manifold)

  May be free again @dtamayo claimed this 187 days ago, and no pull request is open. Open

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  hannorein/rebound#904 · 2 comments · 1 assignee · Opened Apr 29, 2026

• Problem loading Exeter radar site

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  Difficulty 3/5 1-2 days Newbie friendliness 48/100

  hannorein/AltWeatherCan#3 · 1 comment · Opened Apr 17, 2026

• MEGNO for subset of particles?

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  question

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  hannorein/rebound#888 · 8 comments · Opened Feb 23, 2026

• ipynb CI

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  Difficulty 2/5 1-3 hours Newbie friendliness 62/100

  hannorein/rebound#886 · Opened Feb 20, 2026

• Adding new particle identifier: name. Removing: hash.

  May be free again @hannorein claimed this 257 days ago, and no pull request is open. Open

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  feature request

  hannorein/rebound#885 · 1 comment · 1 assignee · Opened Feb 19, 2026

• Default optimization

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  feature request

  Difficulty 2/5 1-3 hours Newbie friendliness 55/100

  hannorein/rebound#877 · Opened Jan 24, 2026

• WHFast 2-body simulation runs slower than its N-body equivalent

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  bug

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  hannorein/rebound#867 · 5 comments · Opened Nov 14, 2025

• REBOUND Hard-Sphere Fails for Long Contacts Under Gravitation

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  bug

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  hannorein/rebound#865 · 6 comments · Opened Nov 11, 2025

• Repeated outputs using reb_simulation_output_check

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  Difficulty 3/5 1-2 days Newbie friendliness 38/100

  hannorein/rebound#864 · 1 comment · Opened Nov 9, 2025

• Question about custom collision resolve function

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  question

  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  hannorein/rebound#862 · 1 comment · Opened Oct 31, 2025

• OpenMP compilation fails due to return statements in parallel regions

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  bug

  Difficulty 3/5 1-2 days Newbie friendliness 45/100

  hannorein/rebound#854 · 7 comments · Opened Jul 24, 2025

• whfast safe mode with external precession?

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  hannorein/rebound#851 · 4 comments · Opened Jul 22, 2025

• REBOUND 5.0

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  Difficulty 5/5 Over a week Newbie friendliness 15/100

  hannorein/rebound#837 · Opened May 14, 2025

• Visualization while using MPI

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  feature request

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  hannorein/rebound#824 · 1 comment · 2 reactions · Opened Mar 26, 2025

• CI build of rebound.html

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  feature request

  Difficulty 3/5 1-2 days Newbie friendliness 45/100

  hannorein/rebound#808 · Opened Dec 7, 2024

• Real-time interactive 3D viz is broken in 4.4.5

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  feature request

  Difficulty 3/5 1-2 days Newbie friendliness 48/100

  hannorein/rebound#807 · 5 comments · Opened Dec 7, 2024

• MOID calculation at a given timestep

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  feature request

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  hannorein/rebound#776 · 9 comments · 1 reaction · Opened Jun 12, 2024

• Add unit tests for OPENMP

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  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  hannorein/rebound#728 · Opened Nov 2, 2023

• Pyodide widget

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  Difficulty 5/5 Over a week Newbie friendliness 15/100

  hannorein/rebound#699 · Opened Jun 24, 2023

• Mercurius for violent systems

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  hannorein/rebound#544 · 32 comments · Opened Jun 4, 2021

• Python Type Hints

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  feature request

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  hannorein/rebound#501 · 3 comments · Opened Feb 17, 2021