🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574

Radius: 9.3

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.77 AU - 1.11 AU

Year: 618 Days

Day: 14.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,893,719 km

• M1: 115,639 km (0.037 R)
• M2: 411,095 km (0.106 R)
• M3: 703,559 km (0.114 R)
• M4: 1,156,092 km (0.093 R)
• M5: 1,763,759 km (0.11 R)
• M6: 2,104,393 km (0.086 R)
• M7: 2,418,399 km (0.107 R)
• M8: 3,047,309 km (0.096 R)
• M9: 4,089,108 km (0.102 R)
• M10: 5,386,870 km (0.048 R)
• M11: 5,723,315 km (0.096 R)
• M12: 6,149,220 km (0.041 R)
• M13: 6,576,322 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.1

Radius: 9

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.25 AU - 1.39 AU

Year: 1029 Days

Day: 12.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,893,719 km

• M1: 111,899 km (0.097 R)
• M2: 459,265 km (0.057 R)
• M3: 756,816 km (0.073 R)
• M4: 1,167,462 km (0.05 R)
• M5: 1,500,616 km (0.028 R)
• M6: 2,137,754 km (0.114 R)
• M7: 2,592,980 km (0.103 R)
• M8: 3,168,632 km (0.104 R)
• M9: 4,077,290 km (0.116 R)
• M10: 4,409,996 km (0.114 R)
• M11: 5,070,620 km (0.062 R)
• M12: 5,688,010 km (0.092 R)
• M13: 6,059,611 km (0.105 R)
• M14: 6,447,369 km (0.057 R)
• M15: 6,998,338 km (0.084 R)
• M16: 7,323,414 km (0.082 R)
• M17: 8,194,373 km (0.104 R)
• M18: 11,391,728 km (0.069 R)
• M19: 11,772,305 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.8

Radius: 10.5

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.6 AU - 2.04 AU

Year: 1665 Days

Day: 8.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,893,719 km

• M1: 130,599 km (0.065 R)
• M2: 512,672 km (0.12 R)
• M3: 901,776 km (0.034 R)
• M4: 1,235,529 km (0.112 R)
• M5: 1,605,185 km (0.055 R)
• M6: 2,202,679 km (0.096 R)
• M7: 2,656,409 km (0.079 R)
• M8: 3,125,249 km (0.085 R)
• M9: 3,631,488 km (0.082 R)
• M10: 4,384,714 km (0.102 R)
• M11: 7,056,083 km (0.028 R)
• M12: 7,498,593 km (0.107 R)
• M13: 8,593,201 km (0.103 R)
• M14: 10,168,018 km (0.094 R)
• M15: 10,769,401 km (0.111 R)
• M16: 11,171,071 km (0.088 R)
• M17: 13,001,102 km (0.089 R)
• M18: 13,667,411 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.4

Radius: 11.8

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.38 AU - 2.48 AU

Year: 2569 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,893,719 km

• M1: 146,905 km (0.093 R)
• M2: 531,372 km (0.102 R)
• M3: 1,158,037 km (0.073 R)
• M4: 1,668,914 km (0.081 R)
• M5: 2,151,517 km (0.068 R)
• M6: 2,680,345 km (0.111 R)
• M7: 3,259,139 km (0.106 R)
• M8: 3,879,821 km (0.107 R)
• M9: 4,336,543 km (0.102 R)
• M10: 5,161,575 km (0.085 R)
• M11: 6,534,585 km (0.036 R)
• M12: 7,002,527 km (0.072 R)
• M13: 7,618,870 km (0.119 R)
• M14: 8,338,286 km (0.115 R)
• M15: 8,749,531 km (0.111 R)
• M16: 9,391,754 km (0.068 R)
• M17: 9,912,953 km (0.088 R)
• M18: 11,976,207 km (0.108 R)
• M19: 12,768,477 km (0.073 R)
• M20: 13,974,236 km (0.118 R)
• M21: 15,153,217 km (0.1 R)
• M22: 16,718,908 km (0.071 R)
• M23: 19,206,422 km (0.106 R)
• M24: 19,804,514 km (0.085 R)
• M25: 20,230,569 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.3

Radius: 14.7

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.1 AU - 4.9 AU

Year: 5426 Days

Day: 8.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,893,719 km

• M1: 183,257 km (0.119 R)
• M2: 978,819 km (0.098 R)
• M3: 1,501,663 km (0.08 R)
• M4: 2,651,473 km (0.063 R)
• M5: 9,182,018 km (0.065 R)
• M6: 16,436,617 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.8

Radius: 9.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.42 AU - 5.6 AU

Year: 7606 Days

Day: 5.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,893,719 km

• M1: 122,072 km (0.073 R)
• M2: 463,005 km (0.09 R)
• M3: 1,134,700 km (0.114 R)
• M4: 2,198,790 km (0.052 R)
• M5: 2,672,865 km (0.088 R)
• M6: 3,142,752 km (0.116 R)
• M7: 3,746,679 km (0.06 R)
• M8: 4,140,570 km (0.076 R)
• M9: 5,702,521 km (0.116 R)
• M10: 7,462,690 km (0.111 R)
• M11: 8,156,674 km (0.08 R)
• M12: 8,857,092 km (0.097 R)
• M13: 9,259,061 km (0.059 R)
• M14: 9,673,148 km (0.117 R)
• M15: 10,619,654 km (0.118 R)
• M16: 11,757,046 km (0.116 R)
• M17: 14,025,698 km (0.08 R)
• M18: 15,655,866 km (0.116 R)
• M19: 16,903,063 km (0.088 R)
• M20: 17,239,060 km (0.12 R)
• M21: 17,808,879 km (0.075 R)
• M22: 18,509,296 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.4

Radius: 4.7

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.4 AU - 10.68 AU

Year: 23209 Days

Day: 19.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,893,719 km

• M1: 58,493 km (0.102 R)
• M2: 349,461 km (0.105 R)
• M3: 836,701 km (0.031 R)
• M4: 1,311,525 km (0.076 R)
• M5: 2,369,181 km (0.071 R)
• M6: 3,028,609 km (0.109 R)
• M7: 3,996,806 km (0.045 R)
• M8: 9,190,695 km (0.042 R)
• M9: 10,933,211 km (0.109 R)
• M10: 12,297,394 km (0.057 R)
• M11: 15,419,651 km (0.059 R)
• M12: 16,354,787 km (0.109 R)
• M13: 25,663,365 km (0.088 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 19,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit