Delta
Payload Accommodations
Payload Fairing |
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| Length | 19.1 m (63 ft) |
| Primary Diameter | 5.1 m (16.7 ft) |
| Mass | 3,520 kg (7760 lbm) |
| Sections | 2 |
| Structure | Composite sandwich |
| Material | Graphite–epoxy composite |
Payload Compartment |
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| Maximum Payload Diameter | Composite: 4,572 mm (180 in.) |
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| Aluminum isogrid: 4,572 mm (180 in.) |
| Maximum Cylinder Length | Composite: 6,439 mm (253.5 in.) or 10,988 mm (432.6 in.) |
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| Aluminum isogrid: 12,192 mm (480.0 in.) |
| Maximum Cone Length | Composite: 4,292 mm (169.0 in.) or 4,727 mm (186.1 in.) |
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| Aluminum isogrid: 4,292 mm (169.0 in.) |
Payload Integration |
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| Nominal Mission Schedule Begins | T–24 months |
Launch Window |
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| Last Countdown Hold Not Requiring Recycling | T–5 minutes |
| On-Pad Storage Capability | Extended storage in HIF |
| Last Access to Payload | Mission specific |
Environment |
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| Maximum Axial Load | 6.0 g |
| Maximum Lateral Load | 2.5 g |
| Minimum Lateral/Longitudinal Payload Frequency | 8/30 Hz |
| Maximum Acoustic Level | 133 dB at 125 Hz |
| Overall Sound Pressure Level (Without Blankets) | 142.7 dB |
| Maximum Flight Shock | 4,000 g at 10 kHz |
| Maximum Dynamic Pressure on Fairing | 42.6 kPa (890 lbf/ft2) |
| Maximum Aeroheating Rate at Fairing Separation | 1,135 W/m2 (0.1 BTU/ft2/s) |
| Maximum Pressure Change in Fairing | 4.14 kPa/s (0.6 psi/s) |
| Cleanliness Level in Fairing | Class 100,000 |
Payload Delivery |
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| Standard Orbit Injection Accuracy (3 sigma) | LEO: 500 km 90 deg orbit: ±8.6 km |
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| (4.6 nmi), ±0.06 deg inclination |
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| GTO: ±5 km (2.7 nmi) perigee, |
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| ±80 km (43 nmi) apogee, |
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| ±0.02 deg inclination |
| Attitude Accuracy (3 sigma) | ±1–2.5 deg |
| Nominal Payload Separation Rate | 0.3 m/s (1 ft/s) |
| Deployment Rotation Rate Available | 0–5 rpm |
| Loiter Duration in Orbit | Mission dependent |
| Maneuvers (Thermal/Collision Avoidance) | Yes |