🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240

Radius: 9.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.54 AU - 0.82 AU

Year: 362 Days

Day: 14.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,226,485 km

• M1: 128,205 km (0.1 R)
• M2: 443,408 km (0.072 R)
• M3: 791,223 km (0.068 R)
• M4: 1,108,520 km (0.106 R)
• M5: 2,008,501 km (0.057 R)
• M6: 2,484,970 km (0.104 R)
• M7: 2,861,508 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.5

Radius: 12.7

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.78 AU - 0.78 AU

Year: 445 Days

Day: 7.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,226,485 km

• M1: 157,975 km (0.063 R)
• M2: 605,572 km (0.101 R)
• M3: 1,117,047 km (0.065 R)
• M4: 1,565,691 km (0.097 R)
• M5: 1,966,913 km (0.065 R)
• M6: 2,515,339 km (0.119 R)
• M7: 2,951,117 km (0.09 R)
• M8: 3,765,378 km (0.111 R)
• M9: 4,693,633 km (0.109 R)
• M10: 5,769,092 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 14.3

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.36 AU - 1.7 AU

Year: 1222 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,226,485 km

• M1: 177,872 km (0.118 R)
• M2: 910,153 km (0.103 R)
• M3: 1,501,514 km (0.108 R)
• M4: 2,264,313 km (0.077 R)
• M5: 3,620,568 km (0.114 R)
• M6: 5,835,215 km (0.062 R)
• M7: 7,277,637 km (0.083 R)
• M8: 8,220,403 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.9

Radius: 10.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.27 AU - 1.85 AU

Year: 1258 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,226,485 km

• M1: 134,339 km (0.094 R)
• M2: 473,178 km (0.1 R)
• M3: 949,049 km (0.067 R)
• M4: 1,329,327 km (0.119 R)
• M5: 2,086,142 km (0.109 R)
• M6: 2,832,935 km (0.108 R)
• M7: 4,527,430 km (0.117 R)
• M8: 5,777,021 km (0.065 R)
• M9: 6,336,517 km (0.104 R)
• M10: 7,316,682 km (0.119 R)
• M11: 8,050,310 km (0.115 R)
• M12: 8,557,148 km (0.093 R)
• M13: 8,916,183 km (0.099 R)
• M14: 9,256,368 km (0.116 R)
• M15: 9,664,471 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.2

Radius: 13.7

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.31 AU - 2.15 AU

Year: 1469 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,226,485 km

• M1: 170,542 km (0.092 R)
• M2: 610,808 km (0.057 R)
• M3: 1,108,819 km (0.099 R)
• M4: 1,958,386 km (0.073 R)
• M5: 2,597,468 km (0.09 R)
• M6: 3,061,371 km (0.118 R)
• M7: 3,968,532 km (0.109 R)
• M8: 4,485,842 km (0.103 R)
• M9: 5,079,745 km (0.107 R)
• M10: 5,935,445 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.7

Radius: 11.8

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.06 AU - 2.58 AU

Year: 2282 Days

Day: 10.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,226,485 km

• M1: 147,204 km (0.111 R)
• M2: 559,047 km (0.038 R)
• M3: 956,529 km (0.047 R)
• M4: 1,416,393 km (0.03 R)
• M5: 2,243,370 km (0.114 R)
• M6: 2,693,958 km (0.112 R)
• M7: 3,146,492 km (0.088 R)
• M8: 3,617,725 km (0.115 R)
• M9: 4,385,910 km (0.043 R)
• M10: 5,859,898 km (0.063 R)
• M11: 6,845,299 km (0.062 R)
• M12: 7,248,615 km (0.072 R)
• M13: 8,103,118 km (0.064 R)
• M14: 9,143,422 km (0.111 R)
• M15: 10,076,763 km (0.104 R)
• M16: 10,733,348 km (0.063 R)
• M17: 12,352,296 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.5

Radius: 5.2

Gravity: 32.05 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.95 AU - 7.09 AU

Year: 9537 Days

Day: 21.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,226,485 km

• M1: 64,626 km (0.1 R)
• M2: 285,882 km (0.074 R)
• M3: 465,997 km (0.043 R)
• M4: 682,914 km (0.114 R)
• M5: 1,142,329 km (0.084 R)
• M6: 1,405,472 km (0.12 R)
• M7: 3,372,235 km (0.087 R)
• M8: 4,484,944 km (0.091 R)
• M9: 4,727,742 km (0.12 R)
• M10: 4,947,202 km (0.034 R)
• M11: 5,206,455 km (0.113 R)
• M12: 5,372,957 km (0.059 R)
• M13: 6,297,322 km (0.114 R)
• M14: 6,563,307 km (0.083 R)
• M15: 7,617,524 km (0.092 R)
• M16: 8,686,400 km (0.069 R)
• M17: 10,158,743 km (0.116 R)
• M18: 10,631,023 km (0.08 R)
• M19: 11,450,520 km (0.086 R)
• M20: 14,949,764 km (0.112 R)
• M21: 18,018,166 km (0.112 R)
• M22: 20,556,692 km (0.078 R)
• M23: 23,869,088 km (0.119 R)
• M24: 24,702,648 km (0.088 R)
• M25: 27,219,482 km (0.12 R)
• M26: 30,437,482 km (0.061 R)
• M27: 30,979,176 km (0.114 R)
• M28: 33,439,313 km (0.116 R)
• M29: 38,744,203 km (0.053 R)
• M30: 40,412,668 km (0.082 R)
• M31: 46,414,684 km (0.116 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: 480 - 12,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit