🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.7

Radius: 13.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.76 AU - 1.04 AU

Year: 569 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,692,794 km

• M1: 171,589 km (0.091 R)
• M2: 753,674 km (0.056 R)
• M3: 1,255,725 km (0.056 R)
• M4: 1,903,932 km (0.069 R)
• M5: 2,638,158 km (0.096 R)
• M6: 3,139,910 km (0.115 R)
• M7: 4,170,789 km (0.085 R)
• M8: 4,702,759 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.7

Radius: 9.8

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.47 AU - 1.57 AU

Year: 1250 Days

Day: 5.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,692,794 km

• M1: 121,922 km (0.112 R)
• M2: 445,951 km (0.117 R)
• M3: 841,638 km (0.119 R)
• M4: 1,163,722 km (0.113 R)
• M5: 1,899,444 km (0.102 R)
• M6: 2,419,596 km (0.102 R)
• M7: 2,876,917 km (0.097 R)
• M8: 3,208,426 km (0.12 R)
• M9: 3,712,271 km (0.066 R)
• M10: 4,528,477 km (0.109 R)
• M11: 5,101,587 km (0.082 R)
• M12: 5,767,148 km (0.108 R)
• M13: 6,961,238 km (0.096 R)
• M14: 7,671,080 km (0.075 R)
• M15: 8,515,260 km (0.119 R)
• M16: 9,265,195 km (0.078 R)
• M17: 9,928,661 km (0.098 R)
• M18: 10,255,383 km (0.12 R)
• M19: 10,827,595 km (0.117 R)
• M20: 11,421,049 km (0.081 R)
• M21: 11,962,444 km (0.042 R)
• M22: 12,407,797 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.2

Radius: 12

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.42 AU - 3.34 AU

Year: 3259 Days

Day: 14.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,692,794 km

• M1: 150,196 km (0.103 R)
• M2: 800,498 km (0.099 R)
• M3: 1,177,036 km (0.096 R)
• M4: 1,569,730 km (0.085 R)
• M5: 2,017,028 km (0.09 R)
• M6: 2,522,818 km (0.109 R)
• M7: 3,206,331 km (0.107 R)
• M8: 3,669,935 km (0.074 R)
• M9: 4,985,947 km (0.097 R)
• M10: 5,495,777 km (0.1 R)
• M11: 6,040,313 km (0.068 R)
• M12: 7,951,875 km (0.092 R)
• M13: 8,402,613 km (0.114 R)
• M14: 8,806,827 km (0.11 R)
• M15: 9,454,286 km (0.12 R)
• M16: 10,953,855 km (0.113 R)
• M17: 12,168,889 km (0.037 R)
• M18: 13,471,587 km (0.093 R)
• M19: 14,244,111 km (0.098 R)
• M20: 15,690,273 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.8

Radius: 9.1

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.74 AU - 3.74 AU

Year: 3889 Days

Day: 8.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,692,794 km

• M1: 168,597 km (0.09 R)
• M2: 496,815 km (0.04 R)
• M3: 2,514,591 km (0.114 R)
• M4: 3,511,212 km (0.061 R)
• M5: 4,522,643 km (0.073 R)
• M6: 4,868,214 km (0.116 R)
• M7: 6,603,549 km (0.084 R)
• M8: 7,935,120 km (0.086 R)
• M9: 10,314,474 km (0.08 R)
• M10: 13,087,121 km (0.113 R)
• M11: 14,520,269 km (0.085 R)
• M12: 18,849,631 km (0.107 R)
• M13: 19,265,214 km (0.094 R)
• M14: 20,548,315 km (0.112 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 11,455 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit