Dictionary term
Orcus
Direct answer
Orcus in astrology is a trans-Neptunian object used by some modern astrologers for themes of oaths, consequence, underworld accountability, broken promises, and invisible law.
Orcus represents oaths, consequence, and underworld accountability in modern astrology.
The orbit map distinguishes physical bodies, calculated points, and symbolic cycles where possible.Quick reference
- Use when
- Use Orcus only in specialized readings with tight contacts, especially around commitment, oath, integrity, and consequence themes.
- Do not use it for
- Do not use Orcus to threaten punishment.
- In astrology
- Orcus is often noted as having a Pluto-like orbital relationship, so astrologers read it slowly and with restraint.
- Reference category
- Planets & Celestial Bodies
- Related terms
- Planetary Placement, Planetary Position, Birth Chart, Transit
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The story behind Orcus
Orcus is named for a Roman underworld deity associated with punishing broken oaths.
Orcus in spiritual tradition
Spiritually, Orcus asks what promise must be kept, repaired, or released honestly.
Why Orcus matters
Orcus matters because it can describe the spiritual or psychological weight of promises, vows, and violations of trust.
Orcus at work: an example
Orcus conjunct Mercury might be explored through vows, truth-telling, taboo speech, or the cost of words.
Sources and editorial method
This concise reference separates established definitions from historical, symbolic, or interpretive claims. Entries without external references are presented as editorial summaries rather than primary-source scholarship.
- Source
- The Great Almanac Dictionary
- Category
- Planets & Celestial Bodies
- Also appears in
- Planets & Celestial Bodies
- Aliases
- Orcus astrology, Orcus meaning
- Last updated
- 2026-07-15
Explore your deep-space placements
Orcus in a book is one thing; Orcus in your own birth chart is your life. The Oracle casts your real chart and tells you what it means for your love, your work, and your year ahead, in conversation, free.
Speak with the OracleWhere Orcus moves through your own year, and what that asks of your love and your work, is written in the Cosmic Codex, month by month from your chart. Open the Cosmic Codex
Related terms
More in Planets & Celestial Bodies
Common questions
What is Orcus?
Orcus in astrology is a trans-Neptunian object used by some modern astrologers for themes of oaths, consequence, underworld accountability, broken promises, and invisible law.
How is Orcus used in astrology?
Use Orcus only in specialized readings with tight contacts, especially around commitment, oath, integrity, and consequence themes.
What should I avoid when interpreting Orcus?
Do not use Orcus to threaten punishment. Accountability language must stay symbolic and ethical.
