🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.53 AU - 0.65 AU

Year: 293 Days

Day: 24.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.6

Radius: 13.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.42 AU - 1.64 AU

Year: 1222 Days

Day: 6.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 146.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,846,178 km

• M1: 166,652 km (0.119 R)
• M2: 603,029 km (0.068 R)
• M3: 1,058,255 km (0.114 R)
• M4: 1,908,121 km (0.086 R)
• M5: 2,688,872 km (0.064 R)
• M6: 3,657,967 km (0.112 R)
• M7: 4,120,075 km (0.037 R)
• M8: 4,886,764 km (0.074 R)
• M9: 6,282,063 km (0.104 R)
• M10: 6,753,596 km (0.098 R)
• M11: 7,928,388 km (0.085 R)
• M12: 8,852,155 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.8

Radius: 11.9

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.28 AU - 2.42 AU

Year: 2326 Days

Day: 9.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,846,178 km

• M1: 149,747 km (0.099 R)
• M2: 607,966 km (0.101 R)
• M3: 1,218,923 km (0.102 R)
• M4: 1,634,656 km (0.083 R)
• M5: 2,373,819 km (0.065 R)
• M6: 3,788,716 km (0.118 R)
• M7: 4,281,341 km (0.11 R)
• M8: 5,263,451 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.2

Radius: 11

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.24 AU - 2.46 AU

Year: 2326 Days

Day: 11.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,846,178 km

• M1: 137,630 km (0.048 R)
• M2: 616,942 km (0.1 R)
• M3: 1,087,427 km (0.099 R)
• M4: 1,590,375 km (0.102 R)
• M5: 2,451,760 km (0.06 R)
• M6: 2,964,431 km (0.099 R)
• M7: 3,617,127 km (0.097 R)
• M8: 4,053,205 km (0.104 R)
• M9: 4,922,967 km (0.072 R)
• M10: 5,413,947 km (0.046 R)
• M11: 5,767,148 km (0.117 R)
• M12: 6,211,453 km (0.083 R)
• M13: 7,196,854 km (0.084 R)
• M14: 8,658,575 km (0.105 R)
• M15: 9,143,272 km (0.108 R)
• M16: 9,510,086 km (0.119 R)
• M17: 12,686,498 km (0.11 R)
• M18: 14,267,747 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.1

Radius: 14.9

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.59 AU - 4.39 AU

Year: 5146 Days

Day: 8 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,846,178 km

• M1: 186,698 km (0.101 R)
• M2: 908,209 km (0.077 R)
• M3: 1,524,253 km (0.068 R)
• M4: 3,165,790 km (0.057 R)
• M5: 4,450,836 km (0.058 R)
• M6: 5,048,180 km (0.1 R)
• M7: 6,998,338 km (0.059 R)
• M8: 7,591,942 km (0.03 R)
• M9: 9,832,170 km (0.107 R)
• M10: 12,891,148 km (0.097 R)
• M11: 13,412,496 km (0.093 R)
• M12: 14,665,378 km (0.053 R)
• M13: 15,349,340 km (0.106 R)
• M14: 18,826,892 km (0.102 R)
• M15: 19,363,350 km (0.082 R)
• M16: 20,117,622 km (0.085 R)
• M17: 27,044,303 km (0.082 R)
• M18: 29,757,410 km (0.076 R)
• M19: 30,302,694 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.9

Radius: 8.7

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.92 AU - 5.26 AU

Year: 6349 Days

Day: 7.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,846,178 km

• M1: 108,458 km (0.067 R)
• M2: 436,527 km (0.076 R)
• M3: 762,800 km (0.094 R)
• M4: 1,992,494 km (0.104 R)
• M5: 2,735,397 km (0.062 R)
• M6: 3,096,826 km (0.102 R)
• M7: 8,507,781 km (0.106 R)
• M8: 10,337,063 km (0.061 R)
• M9: 14,876,461 km (0.092 R)
• M10: 15,997,697 km (0.093 R)
• M11: 16,974,272 km (0.03 R)
• M12: 20,743,989 km (0.073 R)
• M13: 22,621,143 km (0.06 R)
• M14: 24,354,384 km (0.027 R)
• M15: 26,620,642 km (0.05 R)
• M16: 33,205,491 km (0.118 R)
• M17: 36,206,125 km (0.118 R)
• M18: 37,545,625 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.7

Radius: 6.8

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.78 AU - 9.92 AU

Year: 15579 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,846,178 km

• M1: 84,523 km (0.048 R)
• M2: 459,565 km (0.083 R)
• M3: 814,560 km (0.041 R)
• M4: 1,183,319 km (0.032 R)
• M5: 2,440,839 km (0.111 R)
• M6: 3,500,141 km (0.029 R)
• M7: 5,924,375 km (0.111 R)
• M8: 7,034,541 km (0.11 R)
• M9: 8,522,591 km (0.04 R)
• M10: 12,744,991 km (0.113 R)
• M11: 13,204,854 km (0.12 R)
• M12: 15,449,570 km (0.103 R)
• M13: 21,040,043 km (0.036 R)
• M14: 23,102,998 km (0.096 R)
• M15: 29,180,411 km (0.094 R)
• M16: 39,888,178 km (0.114 R)
• M17: 45,573,346 km (0.11 R)
• M18: 47,425,517 km (0.119 R)
• M19: 52,107,930 km (0.069 R)
• M20: 53,451,918 km (0.113 R)
• M21: 62,191,276 km (0.068 R)

Asteroid Belt

Center: 8.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.4

Radius: 6.1

Gravity: 19.82 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.25 AU - 11.43 AU

Year: 18430 Days

Day: 15.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,846,178 km

• M1: 77,342 km (0.1 R)
• M2: 378,034 km (0.066 R)
• M3: 739,761 km (0.048 R)
• M4: 1,626,877 km (0.112 R)
• M5: 2,128,030 km (0.08 R)
• M6: 2,849,241 km (0.096 R)
• M7: 4,155,829 km (0.069 R)
• M8: 5,502,359 km (0.088 R)
• M9: 6,532,789 km (0.104 R)
• M10: 7,116,820 km (0.113 R)
• M11: 8,285,328 km (0.104 R)
• M12: 17,742,607 km (0.1 R)
• M13: 26,035,265 km (0.102 R)
• M14: 32,459,297 km (0.073 R)
• M15: 34,547,833 km (0.092 R)
• M16: 50,006,230 km (0.057 R)
• M17: 52,963,032 km (0.092 R)
• M18: 55,667,013 km (0.045 R)
• M19: 69,720,686 km (0.039 R)
• M20: 73,846,147 km (0.105 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 17,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit