DELTA 2 R/B(1)
| Launched | 10 December 1998 |
| Flight ended | 29 December 1998 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 25572 |
| COSPAR ID | 1998-073B |
| Observing |
Timeline
| 1998 Dec 11 | – | Launch from Cape Canaveral SLC-17A |
| 1999 Sep 23 | – | Last contact with spacecraft |
| 1999 Sep 23 | – | Spacecraft disintegration in Martian atmosphere |