A23J
531 kmtravelled in 7 weekly listings
Its drift, week by week
Weekly positions from the US National Ice Center, 31 October 2025 to 30 January 2026.
First listed
31 October 2025, 52.21° S, 38.96° W
Into 2026
16 January 2026, 52.86° S, 41.72° W
Last listed
30 January 2026, 52.60° S, 41.45° W
- size on 31 October 2025
- 12 × 3 nm
- size at its last listing
- 11 × 8 nm
- last known position
- 52.60° S, 41.45° W
Iceberg A23J was last listed by the US National Ice Center on 30 January 2026, at 52.6°S, 41.5°W. Its listed size was about 11 by 8 nautical miles. It was listed in 7 weekly positions from 31 October 2025, drifting about 531 km.
All 7 weekly positions
| Date | Position | Size (nautical miles) |
|---|---|---|
| 52.6°S, 41.5°W | 11 × 8 | |
| 52.6°S, 41.6°W | 11 × 8 | |
| 52.9°S, 41.7°W | 11 × 8 | |
| 51.5°S, 37.6°W | 12 × 3 | |
| 52.1°S, 38.5°W | 12 × 3 | |
| 51.8°S, 38.7°W | 12 × 3 | |
| 52.2°S, 39.0°W | 12 × 3 |
Download every position as CSV or GeoJSON from the research portal.
Farewell, A23J
It was no longer listed by the US National Ice Center. Its farewell pack holds a certificate of passing, its final portrait from space and a life sheet with every position.
First listed31 October 2025
7 weekson the list
Last listed30 January 2026
Icebergs nearby this week
Iceberg positions and sizes: US National Ice Center. Adoption is symbolic. Adoptice is not affiliated with the US National Ice Center.
