🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.61 AU - 0.75 AU

Year: 252 Days

Day: 17.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,722,406 km

• M1: 43,533 km (0.12 R)

Asteroid Belt

Center: 0.99 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.03 AU - 1.57 AU

Year: 666 Days

Day: 16.3 Hours

Environment

Temp: -87 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.47 AU - 2.27 AU

Year: 1150 Days

Day: 26.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.3

Radius: 14

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2 AU - 2.94 AU

Year: 1745 Days

Day: 12.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,722,406 km

• M1: 175,777 km (0.079 R)
• M2: 654,491 km (0.085 R)
• M3: 1,095,356 km (0.1 R)
• M4: 1,698,085 km (0.101 R)
• M5: 2,519,228 km (0.105 R)
• M6: 3,708,082 km (0.106 R)
• M7: 4,215,518 km (0.083 R)
• M8: 5,242,957 km (0.061 R)
• M9: 5,747,999 km (0.064 R)
• M10: 6,431,212 km (0.086 R)
• M11: 7,274,047 km (0.025 R)
• M12: 10,317,017 km (0.053 R)
• M13: 10,901,945 km (0.072 R)
• M14: 11,400,405 km (0.029 R)
• M15: 12,252,215 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.4

Radius: 13.5

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.39 AU - 4.81 AU

Year: 3732 Days

Day: 11.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,722,406 km

• M1: 169,046 km (0.115 R)
• M2: 793,617 km (0.069 R)
• M3: 1,535,772 km (0.092 R)
• M4: 1,967,062 km (0.088 R)
• M5: 3,350,992 km (0.097 R)
• M6: 6,753,446 km (0.096 R)
• M7: 8,336,192 km (0.117 R)
• M8: 9,820,352 km (0.05 R)
• M9: 10,977,492 km (0.093 R)
• M10: 12,856,142 km (0.1 R)
• M11: 13,306,880 km (0.067 R)
• M12: 17,545,885 km (0.084 R)
• M13: 18,351,620 km (0.081 R)
• M14: 19,507,862 km (0.108 R)
• M15: 21,894,247 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.7

Radius: 9.7

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.41 AU - 6.05 AU

Year: 5377 Days

Day: 6.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,722,406 km

• M1: 142,417 km (0.109 R)
• M2: 823,985 km (0.104 R)
• M3: 1,149,360 km (0.118 R)
• M4: 1,505,403 km (0.054 R)
• M5: 2,217,040 km (0.114 R)
• M6: 2,591,783 km (0.08 R)
• M7: 3,803,077 km (0.044 R)
• M8: 4,203,700 km (0.118 R)
• M9: 6,741,179 km (0.101 R)
• M10: 12,166,196 km (0.074 R)
• M11: 13,541,599 km (0.111 R)
• M12: 14,746,610 km (0.106 R)
• M13: 21,374,843 km (0.074 R)
• M14: 22,429,209 km (0.099 R)
• M15: 24,870,197 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.6

Radius: 8.4

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.29 AU - 8.29 AU

Year: 7955 Days

Day: 6.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,722,406 km

• M1: 104,419 km (0.092 R)
• M2: 376,987 km (0.053 R)
• M3: 658,979 km (0.073 R)
• M4: 1,028,336 km (0.072 R)
• M5: 1,579,305 km (0.099 R)
• M6: 2,038,121 km (0.081 R)
• M7: 2,299,469 km (0.064 R)
• M8: 2,998,689 km (0.114 R)
• M9: 3,478,001 km (0.089 R)
• M10: 4,468,937 km (0.1 R)
• M11: 4,787,581 km (0.067 R)
• M12: 6,277,127 km (0.085 R)
• M13: 6,836,024 km (0.106 R)
• M14: 8,124,810 km (0.063 R)
• M15: 10,224,566 km (0.118 R)
• M16: 14,540,315 km (0.066 R)
• M17: 19,609,289 km (0.117 R)
• M18: 23,476,843 km (0.085 R)
• M19: 26,771,137 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.7

Radius: 4.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 12.29 AU - 19.67 AU

Year: 28720 Days

Day: 23.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,722,406 km

• M1: 60,886 km (0.11 R)
• M2: 271,371 km (0.111 R)
• M3: 1,214,136 km (0.077 R)
• M4: 2,127,581 km (0.111 R)
• M5: 3,090,243 km (0.118 R)
• M6: 5,442,969 km (0.075 R)
• M7: 5,895,951 km (0.103 R)
• M8: 6,449,164 km (0.079 R)
• M9: 10,305,349 km (0.045 R)
• M10: 14,202,822 km (0.049 R)
• M11: 20,425,495 km (0.063 R)
• M12: 23,083,550 km (0.115 R)
• M13: 23,805,060 km (0.088 R)
• M14: 33,785,782 km (0.113 R)
• M15: 38,352,705 km (0.114 R)
• M16: 47,376,150 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 17,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit