| Origin | Seoul, South Korea |
| Debut | December 12, 2025 |
| Number of Members | 4 |
| Members | Ahn Junwon Yang Junbeom Nam Minsu Jung Sunwoo |
| Former Members | Yoon Dojin Jang Yunseong Kwak Gun Park Joonhyuk Moon Seonghyeok |
ASTEON Members Profile
Ahn Junwon
| Full Name | Ahn Jun Won |
| Birthday | February 3, 1999 |
| Birthplace | Suncheon, South Jeolla Province, South Korea |
| Age | 27 years and 4 months old |
| Height | 6 feet 0 inches (185 cm) |
| Weight | 160 lbs (73 kg) |
| Zodiac Sign | Aquarius |
| Chinese Zodiac Sign | Tiger |
| MBTI | INTJ |
| ahnjunwon__ |
Yang Junbeom
| Full Name | Yang Jun Beom |
| Birthday | January 30, 2005 |
| Birthplace | N/A |
| Age | 21 years and 4 months old |
| Height | 6 feet 1 inches (187 cm) |
| Weight | 160 lbs (73 kg) |
| Zodiac Sign | Aquarius |
| Chinese Zodiac Sign | Monkey |
| MBTI | ENFJ |
| Education | Bojeong High School, Dankook University (Department of Performance and Film) |
| _yangjunbeom |
Nam Minsu
| Full Name | Nam Min Su |
| Birthday | 2005 |
| Birthplace | N/A |
| Age | N/A |
| Height | 6 feet 1 inches (186 cm) |
| Weight | 165 lbs (75 kg) |
| Zodiac Sign | N/A |
| Position | Maknae |
| namminsu_ |
Jung Sunwoo
| Full Name | Jung Sun Woo |
| Birthday | N/A |
| Birthplace | N/A |
| Age | N/A |
| Height | N/A |
| Zodiac Sign | N/A |
| jungsunwoo0 |
Former Member Profile
Yoon Dojin
| Full Name | Yoon Do Jin |
| Birthday | January 14, 1998 |
| Birthplace | N/A |
| Age | 28 years and 5 months old |
| Height | 6 feet 0 inches (185 cm) |
| Zodiac Sign | Capricorn |
| Chinese Zodiac Sign | Ox |
| MBTI | ENFJ |
| Education | Suwon University |
| dzyunb |
Jang Yunseong
| Full Name | Jang Yun Seo |
| Birthday | April 4, 2001 |
| Birthplace | Seoul, South Korea |
| Age | 25 years and 2 months old |
| Height | N/A |
| Zodiac Sign | Aries |
| Chinese Zodiac Sign | Snake |
| MBTI | ISFP |
| j_ng.y_nseo |
Kwak Gun
| Full Name | Kwak Gun |
| Birthday | September 29, 2001 |
| Birthplace | N/A |
| Age | 24 years and 8 months old |
| Height | 6 feet 0 inches (183 cm) |
| Weight | 132 lbs (60 kg) |
| Zodiac Sign | Libra |
| Chinese Zodiac Sign | Snake |
| Blood Type | B |
| MBTI | ESTP |
| ihanxkwak |
Park Joonhyuk
| Full Name | Park Joon Hyuk |
| Birthday | N/A |
| Birthplace | N/A |
| Age | N/A |
| Height | N/A |
| Zodiac Sign | N/A |
Moon Seonghyeok
| Full Name | Moon Seong Hyeok |
| Birthday | N/A |
| Birthplace | N/A |
| Age | N/A |
| Height | N/A |
| Zodiac Sign | N/A |
FAQs
How many members are in ASTEON?
ASTEON is a 4-member K-pop boy group. The group consists of Ahn Junwon, Yang Junbeom, Nam Minsu, and Jung Sunwoo.
When did ASTEON debut?
ASTEON debuted on December 12, 2025, with their ott drama Will You Be My Manager?.
