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δ Deimos – The Whisper of Dread

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astrology · AstrologyArithetic · Definitions · LunarNodesAndMoons

δ Deimos – The Whisper of Dread

Interpretive Basis

Mythic Root:
Named for the spirit of dread, twin brother of Phobos and companion to Ares.
Core Function:
Represents subtle anxieties and quiet retreat when faced with conflict, complementing Phobos.
Astrological Role:
Rarely used, but in esoteric systems it indicates where apprehension or avoidance may arise.


Orbital Signature

Type: Martian moon
Orbital Period: ~30.3 hours
Inclination / Eccentricity: Slightly inclined and near-circular
Retrograde Motion: None relative to Mars
Discovery Year: 1877


Keywords / Powerwords

Apprehension, Retreat, Caution, Subtlety, Observation


House and Aspect Relevance


Use in Astrology Arith(m)etic

Deimos widens the lunar catalogue and helps AI track nuanced emotional responses within the Martian sphere.


🔭 Astronomical Data (NASA)

Quantity Value
Designation Mars II — Deimos
Semi-major axis 23,459 km from Mars’ centre
Sidereal orbital period 1.26244 days (30 h 18 m)
Discovery Discovered 1877-08-12 by Asaph Hall, U.S. Naval Observatory

As moons of Mars, Phobos and Deimos have no independent geocentric zodiacal motion: in a chart they occupy Mars’ position (within a few arc-seconds). Their use here is symbolic, as satellites of Mars.

Sources (nasa data)