D21B
682 kmtravelled in 18 weekly listings
Its drift, week by week
Weekly positions from the US National Ice Center, 31 December 2020 to 30 April 2021.
First listed
31 December 2020, 61.57° S, 34.28° W
Into 2021
8 January 2021, 61.56° S, 33.76° W
Last listed
30 April 2021, 57.89° S, 26.53° W
- size on 31 December 2020
- 10 × 4 nm
- size at its last listing
- 9 × 4 nm
- last known position
- 57.89° S, 26.53° W
Iceberg D21B was last listed by the US National Ice Center on 30 April 2021, at 57.9°S, 26.5°W. Its listed size was about 9 by 4 nautical miles. It was listed in 18 weekly positions from 31 December 2020, drifting about 682 km.
All 18 weekly positions
| Date | Position | Size (nautical miles) |
|---|---|---|
| 57.9°S, 26.5°W | 9 × 4 | |
| 58.1°S, 26.6°W | 9 × 4 | |
| 59.0°S, 27.4°W | 9 × 4 | |
| 59.0°S, 27.8°W | 9 × 4 | |
| 59.2°S, 28.5°W | 9 × 4 | |
| 59.3°S, 29.2°W | 9 × 4 | |
| 59.7°S, 29.5°W | 9 × 4 | |
| 60.0°S, 30.2°W | 9 × 4 | |
| 60.2°S, 30.4°W | 9 × 4 | |
| 60.5°S, 30.8°W | 10 × 4 | |
| 60.6°S, 31.1°W | 10 × 4 | |
| 60.8°S, 32.0°W | 10 × 4 | |
| 60.7°S, 33.0°W | 10 × 4 | |
| 60.8°S, 33.4°W | 10 × 4 | |
| 61.1°S, 33.5°W | 10 × 4 | |
| 61.4°S, 33.5°W | 10 × 4 | |
| 61.6°S, 33.8°W | 10 × 4 | |
| 61.6°S, 34.3°W | 10 × 4 |
Download every position as CSV or GeoJSON from the research portal.
Farewell, D21B
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 December 2020
18 weekson the list
Last listed30 April 2021
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.
