| Official name | DELTA 1 R/B(1) |
| Alternative name | DELTA P (Delta 2914) |
| Cospar ID | 1977-065B |
| Norad ID | 10144 |
| Launch date | 1977-07-14 |
| Launch site | AFETR |
| Launch vehicle | Delta-2914 |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 108.77 |
| Inclination (deg) | 29.06 |
| Perigee (km) | 529 |
| Apogee (km) | 1811 |
| Eccentricity | 0.547863247863248 |
| Mean motion (revs. per day) | 13.2389445619196 |
| Semi-Major axis (km) | 7548.135 |
| Raan (deg) | 40.3498 |
| Arg of perigee (deg) | 164.7399 |
| Shape | Cyl |
| Mass (kg) | 346.88 |
| Diameter (m) | 1.4 |
| Height (m) | 4.8 |
| Span (m^2) | 4.8 |
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