Kep1er #12680981
MusicENK-popGirls Planet 999Fan Community
Description
Kep1er (also stylized as Kepler) is a 9 member K-pop project girl group formed through the Mnet survival show Girls Planet 999. The group consists of Yoojin, Mashiro, Xiaoting, Chaahyun, Dayeon, Hikaru, Huening Bahiyyih, Youngeun, and Yeseo. The final lineup was announced on October 22, 2021, during the final episode of Girls Planet 999. The group is managed by WAKEONE Entertainment and Swing Entertainment. They will promote for 2 years and 6 months starting on their debut date. They officially debuted on January 3, 2022, with the mini-album “FIRST IMPACT” and title track “WA DA DA“. If you're interested in being ranked to your group bias, please comment something on the group wall or message an admin! Member of the Month : Xiaoting Est. 10/23/21 Tags: Kpop, Girls Planet 999, GP999, Kep1er, Kepler, Cherry Bullet, BLACKPINK, IZ*ONE, ITZY, TWICE, FROMIS_9, STAYC, RED VELVET, Korean Pop
Written by the group; not a statement by this register.
Membership history
Growth
| Measured (UTC) | Members | Change |
|---|---|---|
| 12 Oct 2026, 23:11 | 2,688 | +1 |
| 12 Oct 2026, 15:31 | 2,687 | -2 |
| 11 Oct 2026, 16:40 | 2,689 | -1 |
| 8 Oct 2026, 14:12 | 2,690 | +1 |
| 5 Oct 2026, 14:17 | 2,689 | +1 |
| 4 Oct 2026, 14:50 | 2,688 | -1 |
| 3 Oct 2026, 23:32 | 2,689 | +1 |
| 2 Oct 2026, 01:42 | 2,688 | -1 |
| 24 Sept 2026, 18:00 | 2,689 | -1 |
| 23 Sept 2026, 21:00 | 2,690 | -2 |
| 20 Sept 2026, 16:30 | 2,692 | -1 |
| 11 Sept 2026, 07:10 | 2,693 | -1 |
| 6 Sept 2026, 16:30 | 2,694 | -1 |
| 5 Sept 2026, 17:21 | 2,695 | -1 |
| 4 Sept 2026, 03:11 | 2,696 | -1 |
| 2 Sept 2026, 11:30 | 2,697 | -1 |
| 29 Aug 2026, 20:20 | 2,698 | -1 |
| 23 Aug 2026, 00:12 | 2,699 | -1 |
| 22 Aug 2026, 15:57 | 2,700 | -1 |
| 22 Aug 2026, 05:10 | 2,701 | first reading |
Ownership
Owned by Kep1er (@Kep1erHolder) as measured.
Claimed by user #3786955485 — observed between sweeps, detected 10 Aug 2026, 15:44 UTC
Detection dates bound when a change was seen by this register, not when it happened.
Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.
Experiences
Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.
Members we’ve seen
Kep1er (@Kep1erHolder) — holder (rank 255)
JACOB (@afterIike) — owner (rank 200) terminated
jacob (@arivenehy) — owner (rank 200) terminated
Fatima (@beullou) — admin (rank 100)
ria (@xinyivq) — admin (rank 100)
zZzz (@iluvakii) — admin (rank 100)
jules (@f4sh10nsqu4r3) — chaehyun (rank 11)
sxnoos_mintchoco (@Imaniisboss_1) — chaehyun (rank 11)
otakubestie (@itsLucill3) — chaehyun (rank 11)
miyeonn (@vyvylicorne) — chaehyun (rank 11)
Bub (@bubq) — chaehyun (rank 11)
Haannaa (@Hanameyga_faustina2) — chaehyun (rank 11)
woo_chi (@CorpAgent) — chaehyun (rank 11)
lele (@bbusyeio) — chaehyun (rank 11)
chaconne (@FruityClxxds) — chaehyun (rank 11)
ruby (@kinotkiwi) — chaehyun (rank 11)
FloraIsBetter (@Florabasckietrabbit) — chaehyun (rank 11)
sandy (@tigerdonutcats) — bahiyyih (rank 10)
slowdeath (@R1gh00dh) — bahiyyih (rank 10)
ZB2BLE (@Pandaremium) — bahiyyih (rank 10)
Kenni (@Wing_Boss) — bahiyyih (rank 10)
kiki (@0mqkaxyl) — bahiyyih (rank 10)
Cortisluv (@PowerRangerBrianna) — bahiyyih (rank 10)
nana (@MADISF4SHIONNXO) — bahiyyih (rank 10)
Chloe (@CHV3NG) — bahiyyih (rank 10)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Rank structure
Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).
Related groups
Groups whose measured members overlap with this one — a sample from our membership graph.
Open data
Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)
Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.