Is Volatile Orbit legal in Standard, Modern, and Commander?

Volatile Orbit is legal in: Historic.

What type of card is Volatile Orbit?

Volatile Orbit is an Enchantment. Its oracle text reads: "When this enchantment enters, if you control a Planet, this enchantment deals 4 damage to any target. {1}{R}{G}, Sacrifice this enchantment: Conjure a card of your choice from the Planets Spellbook onto the battlefield tapped with eight charge counters on it. Activate only as a sorcery."

Volatile Orbit

Enchantment

When this enchantment enters, if you control a Planet, this enchantment deals 4 damage to any target.

, Sacrifice this enchantment: Conjure a card of your choice from the Planets Spellbook onto the battlefield tapped with eight charge counters on it. Activate only as a sorcery.