🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.55 AU - 0.71 AU

Year: 185 Days

Day: 12.7 Hours

Environment

Temp: 122 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,144,547 km

• M1: 309,668 km (0.039 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.65 AU - 0.85 AU

Year: 241 Days

Day: 21.7 Hours

Environment

Temp: 174 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,144,547 km

• M1: 30,069 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.25 AU - 3.95 AU

Year: 2533 Days

Day: 32 Hours

Environment

Temp: -129 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749

Radius: 13.4

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.69 AU - 6.17 AU

Year: 5355 Days

Day: 7.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,144,547 km

• M1: 166,652 km (0.055 R)
• M2: 901,028 km (0.082 R)
• M3: 1,384,678 km (0.103 R)
• M4: 1,986,809 km (0.111 R)
• M5: 2,499,032 km (0.11 R)
• M6: 2,964,282 km (0.094 R)
• M7: 3,487,575 km (0.042 R)
• M8: 4,001,743 km (0.074 R)
• M9: 5,917,493 km (0.116 R)
• M10: 7,776,546 km (0.095 R)
• M11: 8,229,379 km (0.05 R)
• M12: 9,608,671 km (0.072 R)
• M13: 10,671,714 km (0.093 R)
• M14: 15,719,595 km (0.044 R)
• M15: 18,558,214 km (0.075 R)
• M16: 20,990,376 km (0.116 R)
• M17: 23,316,025 km (0.114 R)
• M18: 24,742,590 km (0.113 R)
• M19: 31,034,826 km (0.092 R)
• M20: 31,889,628 km (0.065 R)
• M21: 32,468,123 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.3

Radius: 10.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.02 AU - 9.94 AU

Year: 8360 Days

Day: 10.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 68.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,144,547 km

• M1: 130,599 km (0.104 R)
• M2: 660,325 km (0.074 R)
• M3: 1,527,993 km (0.104 R)
• M4: 2,638,009 km (0.086 R)
• M5: 4,766,787 km (0.096 R)
• M6: 5,870,370 km (0.111 R)
• M7: 6,524,711 km (0.062 R)
• M8: 7,017,038 km (0.118 R)
• M9: 7,440,998 km (0.112 R)
• M10: 8,174,776 km (0.115 R)
• M11: 9,346,875 km (0.069 R)
• M12: 10,086,786 km (0.035 R)
• M13: 11,025,662 km (0.096 R)
• M14: 12,366,957 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 9.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.23 AU - 10.73 AU

Year: 10825 Days

Day: 8.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,144,547 km

• M1: 121,324 km (0.025 R)
• M2: 492,925 km (0.099 R)
• M3: 1,052,122 km (0.057 R)
• M4: 1,777,223 km (0.079 R)
• M5: 2,262,518 km (0.099 R)
• M6: 4,986,695 km (0.116 R)
• M7: 6,204,272 km (0.093 R)
• M8: 10,029,789 km (0.096 R)
• M9: 15,286,509 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.4

Radius: 7

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 12 AU - 12.26 AU

Year: 15667 Days

Day: 23.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,144,547 km

• M1: 87,664 km (0.035 R)
• M2: 512,373 km (0.116 R)
• M3: 797,207 km (0.12 R)
• M4: 1,467,106 km (0.112 R)
• M5: 1,728,903 km (0.037 R)
• M6: 2,543,613 km (0.082 R)
• M7: 3,036,388 km (0.087 R)
• M8: 5,157,387 km (0.12 R)
• M9: 5,423,072 km (0.106 R)
• M10: 5,838,655 km (0.062 R)
• M11: 6,772,595 km (0.041 R)
• M12: 8,242,693 km (0.111 R)
• M13: 10,801,714 km (0.113 R)
• M14: 11,348,345 km (0.111 R)
• M15: 11,970,672 km (0.107 R)
• M16: 12,615,588 km (0.037 R)
• M17: 15,022,169 km (0.045 R)
• M18: 20,390,639 km (0.108 R)
• M19: 24,047,708 km (0.069 R)
• M20: 27,011,691 km (0.069 R)
• M21: 32,628,044 km (0.027 R)
• M22: 33,081,026 km (0.093 R)
• M23: 34,465,255 km (0.067 R)
• M24: 34,935,142 km (0.088 R)
• M25: 37,102,516 km (0.108 R)
• M26: 38,975,780 km (0.086 R)
• M27: 44,972,860 km (0.112 R)
• M28: 48,409,422 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.3

Radius: 6.8

Gravity: 19.51 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 10.02 AU - 15.7 AU

Year: 17103 Days

Day: 15.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,144,547 km

• M1: 84,672 km (0.038 R)
• M2: 322,982 km (0.1 R)
• M3: 986,000 km (0.065 R)
• M4: 1,202,019 km (0.108 R)
• M5: 2,661,197 km (0.029 R)
• M6: 3,528,565 km (0.102 R)
• M7: 5,107,870 km (0.119 R)
• M8: 6,698,993 km (0.088 R)
• M9: 8,754,019 km (0.048 R)
• M10: 14,958,141 km (0.077 R)
• M11: 16,623,914 km (0.091 R)
• M12: 18,234,335 km (0.07 R)
• M13: 22,257,919 km (0.12 R)
• M14: 28,100,614 km (0.107 R)
• M15: 38,804,192 km (0.057 R)
• M16: 39,826,992 km (0.091 R)
• M17: 40,717,848 km (0.088 R)
• M18: 44,098,012 km (0.092 R)
• M19: 44,732,007 km (0.091 R)
• M20: 64,642,586 km (0.115 R)
• M21: 73,136,155 km (0.103 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: 223 - 16,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit