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The Best Planetarium Items

A list of all planetarium items from The Binding of Isaac: Rebirth, ranked from best to worst.

We combined votes from 13 players to create this list.

Based on the latest version of The Binding of Isaac: Repentance.

Rankings updated September 4, 2025.
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11 Items

106  Votes

13  Voters

Tier List

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  • 1.Pluto

    Pluto

    1.Pluto

    Quality 3
    Passive
    Planetarium
    9
    100
    Rating
    14.3
    Spread
    9
    100
    Rating
    14.3
    Spread

  • 2.Terra

    Terra

    2.Terra

    Quality 3
    Passive
    Planetarium
    10
    92
    Rating
    13.6
    Spread
    10
    92
    Rating
    13.6
    Spread

  • 3.Saturnus

    Saturnus

    3.Saturnus

    Quality 2
    Passive
    Planetarium
    9
    84
    Rating
    13.3
    Spread
    9
    84
    Rating
    13.3
    Spread

  • 4.Uranus

    Uranus

    4.Uranus

    Quality 3
    Passive
    Planetarium
    7
    81
    Rating
    12.7
    Spread
    7
    81
    Rating
    12.7
    Spread

  • 5.Neptunus

    Neptunus

    5.Neptunus

    Quality 3
    Passive
    Planetarium
    10
    79
    Rating
    12.4
    Spread
    10
    79
    Rating
    12.4
    Spread

  • 6.Luna

    Luna

    6.Luna

    Quality 2
    Passive
    Planetarium
    11
    50
    Rating
    11.6
    Spread
    11
    50
    Rating
    11.6
    Spread

  • 7.Mars

    Mars

    7.Mars

    Quality 2
    Passive
    Planetarium
    10
    47
    Rating
    16.8
    Spread
    10
    47
    Rating
    16.8
    Spread

  • 8.Jupiter

    Jupiter

    8.Jupiter

    Quality 2
    Passive
    Planetarium
    10
    18
    Rating
    14.5
    Spread
    10
    18
    Rating
    14.5
    Spread

  • 9.Sol

    Sol

    9.Sol

    Quality 2
    Passive
    Planetarium
    10
    8
    Rating
    16.2
    Spread
    10
    8
    Rating
    16.2
    Spread

  • 10.Venus

    Venus

    10.Venus

    Quality 2
    Passive
    Planetarium
    9
    2
    Rating
    18.5
    Spread
    9
    2
    Rating
    18.5
    Spread

  • 11.Mercurius

    Mercurius

    11.Mercurius

    Quality 3
    Passive
    Planetarium
    11
    0
    Rating
    14
    Spread
    11
    0
    Rating
    14
    Spread
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