🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.7

Radius: 11.3

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.56 AU - 0.72 AU

Year: 353 Days

Day: 9.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 10,182,627 km

• M1: 140,472 km (0.047 R)
• M2: 512,522 km (0.106 R)
• M3: 991,235 km (0.107 R)
• M4: 1,474,885 km (0.029 R)
• M5: 2,113,818 km (0.083 R)
• M6: 2,839,667 km (0.037 R)
• M7: 3,444,940 km (0.083 R)
• M8: 3,796,944 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227

Radius: 14.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.81 AU - 0.91 AU

Year: 551 Days

Day: 11.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 10,182,627 km

• M1: 184,155 km (0.064 R)
• M2: 743,950 km (0.111 R)
• M3: 1,221,467 km (0.096 R)
• M4: 1,928,616 km (0.025 R)
• M5: 2,417,053 km (0.091 R)
• M6: 3,150,980 km (0.117 R)
• M7: 3,993,665 km (0.078 R)
• M8: 4,608,961 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115

Radius: 8.8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.74 AU - 1.1 AU

Year: 609 Days

Day: 7.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 10,182,627 km

• M1: 109,506 km (0.119 R)
• M2: 583,880 km (0.062 R)
• M3: 919,429 km (0.034 R)
• M4: 1,435,392 km (0.087 R)
• M5: 1,872,217 km (0.083 R)
• M6: 2,149,273 km (0.108 R)
• M7: 2,564,855 km (0.068 R)
• M8: 3,161,452 km (0.058 R)
• M9: 3,590,498 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.6

Radius: 10.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.16 AU - 1.62 AU

Year: 1131 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,182,627 km

• M1: 133,142 km (0.115 R)
• M2: 473,627 km (0.112 R)
• M3: 887,564 km (0.109 R)
• M4: 1,226,852 km (0.095 R)
• M5: 1,905,877 km (0.066 R)
• M6: 2,353,175 km (0.057 R)
• M7: 3,049,702 km (0.106 R)
• M8: 4,464,898 km (0.047 R)
• M9: 4,887,811 km (0.038 R)
• M10: 5,632,210 km (0.115 R)
• M11: 6,212,052 km (0.116 R)
• M12: 7,156,164 km (0.071 R)
• M13: 9,327,577 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.3

Radius: 8.3

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.21 AU - 1.59 AU

Year: 1143 Days

Day: 14.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,182,627 km

• M1: 103,223 km (0.119 R)
• M2: 392,096 km (0.114 R)
• M3: 1,071,570 km (0.091 R)
• M4: 1,348,026 km (0.11 R)
• M5: 1,699,133 km (0.119 R)
• M6: 2,269,549 km (0.063 R)
• M7: 2,611,530 km (0.115 R)
• M8: 3,486,827 km (0.091 R)
• M9: 4,154,632 km (0.025 R)
• M10: 6,013,535 km (0.1 R)
• M11: 8,448,390 km (0.105 R)
• M12: 8,854,698 km (0.068 R)
• M13: 10,062,102 km (0.12 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 16,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit