← All fandoms
아스트로

Boy group · Fantagio · since 2016

ASTRO

아스트로

ASTRO debuted in 2016 as six members and continues today as four: MJ, JinJin, Cha Eun-woo and Sanha. Cha Eun-woo has been in military service since July 2025, while the others release solo and unit music.

11years on 23 February 2027 · in 124 days

Quick answers

When did ASTRO debut?

On 23 February 2016, with the EP Spring Up and the title track "Hide & Seek".

How many members does ASTRO have?

Four: MJ, JinJin (leader), Cha Eun-woo and Sanha. The group debuted with six; Rocky left in 2023 when his contract ended, and Moonbin died in April 2023.

What is the ASTRO fandom called?

AROHA. The name joins the "A" and "RO" of ASTRO with "ha" from the Korean word hana, "one": the fans are ASTRO's one and only.

What does ASTRO mean?

The name comes from the Spanish word for star. The members wanted to become a shining star together with the people they love.

Is ASTRO still active?

Yes, with all four under Fantagio. Cha Eun-woo enlisted in July 2025 to serve in the military band; MJ and JinJin formed the unit ZOONIZINI, and Sanha releases solo music.

The story so far

  1. The six members appear as themselves in the web drama To Be Continued and meet fans across Korea.

  2. Debut with Spring Up and "Hide & Seek".

  3. The first official fan club, AROHA, opens.

  4. First music show win, with "All Night" on The Show.

  5. Second studio album All Yours sells 281,952 copies in its first week, almost four times their earlier best.

  6. Third studio album Drive to the Starry Road tops Gaon's album chart; "Candy Sugar Pop" tops the download chart.

  7. Rocky leaves the group and Fantagio when his contract ends.

  8. The 4th ASTROAD: Stargraphy sells out Inspire Arena in Incheon; Rocky joins for the older songs.

  9. Cha Eun-woo enlists and joins the Army band.

  10. MJ and JinJin debut as the unit ZOONIZINI with the EP DICE.

Start with these 5 songs

  1. Hide & SeekThe debut title track from Spring Up.2016
  2. All NightThe song that brought their first music show win.2019
  3. Blue FlameTitle track of the EP that held their first-week sales record until 2021.2019
  4. ONELead single of All Yours, their best-selling first week.2021
  5. Candy Sugar PopTheir latest full-group title track, No. 1 on Gaon's download chart.2022

Videos play from YouTube, from the official channels, and load only when you press Video. YouTube may then set its own cookies (privacy).

In the Fan Chart

The Fan Chart on The Crowd adds up every fan's top 10. Here is where ASTRO stands.

    Add ASTRO to your setlist

    For AROHA

    MJ

    김명준
    Name
    Kim Myung-jun
    Born
    5 March 1994
    Role
    Oldest member

    Played the title role in the musical Zorro: Actor-Musician in 2024.

    JinJin

    박진우
    Name
    Park Jin-woo
    Born
    15 March 1996
    Role
    Leader

    Produced the 2025 anniversary single "Twilight" and held his first solo concert that February.

    Cha Eun-woo

    이동민
    Name
    Lee Dong-min
    Born
    30 March 1997

    Released his first solo EP, Entity, with the lead single "Stay", in February 2024.

    Sanha

    윤산하
    Name
    Yoon San-ha
    Born
    21 March 2000
    Role
    Youngest member

    Released his second solo EP, Chameleon, in 2025 and took a fan-con tour to 10 cities.

    Know your ASTRO?Six K-pop questions a day in the Daily, and a collectible card for every finished set.

    Play the Daily

    Last checked 21 October 2026. Sources include The Korea Times, Korea JoongAng Daily, The Korea Herald and NME. Spotted a mistake? Tell us.