🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.69 AU - 0.77 AU

Year: 217 Days

Day: 39.4 Hours

Environment

Temp: 163 °C

Axial Tilt: 12.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.96 AU - 1.44 AU

Year: 458 Days

Day: 20.7 Hours

Environment

Temp: 13 °C

Axial Tilt: 17.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.98 AU - 1.48 AU

Year: 475 Days

Day: 28.3 Hours

Environment

Temp: 26 °C

Axial Tilt: 3.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 41,403,506 km

• M1: 85,420 km (0.098 R)
• M2: 119,529 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.19 AU - 5.13 AU

Year: 2955 Days

Day: 33.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.43 AU - 4.67 AU

Year: 3380 Days

Day: 17.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,403,506 km

• M1: 103,671 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.9 AU - 5.62 AU

Year: 3617 Days

Day: 45.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.5

Radius: 10.2

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.59 AU - 7.95 AU

Year: 6134 Days

Day: 8.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,403,506 km

• M1: 126,859 km (0.077 R)
• M2: 514,018 km (0.113 R)
• M3: 868,266 km (0.075 R)
• M4: 1,422,975 km (0.114 R)
• M5: 1,769,593 km (0.085 R)
• M6: 2,335,971 km (0.077 R)
• M7: 2,965,479 km (0.093 R)
• M8: 3,683,399 km (0.07 R)
• M9: 4,095,092 km (0.054 R)
• M10: 4,537,453 km (0.028 R)
• M11: 4,883,473 km (0.12 R)
• M12: 5,220,666 km (0.051 R)
• M13: 5,545,743 km (0.086 R)
• M14: 6,296,724 km (0.111 R)
• M15: 7,179,950 km (0.036 R)
• M16: 7,651,482 km (0.028 R)
• M17: 8,360,875 km (0.113 R)
• M18: 8,731,729 km (0.119 R)
• M19: 9,427,059 km (0.082 R)
• M20: 12,390,743 km (0.099 R)
• M21: 14,031,532 km (0.12 R)
• M22: 16,095,085 km (0.087 R)
• M23: 16,496,157 km (0.112 R)
• M24: 18,106,129 km (0.072 R)
• M25: 19,364,397 km (0.111 R)
• M26: 22,195,238 km (0.105 R)
• M27: 22,692,501 km (0.092 R)
• M28: 23,052,134 km (0.107 R)
• M29: 24,005,222 km (0.064 R)
• M30: 26,701,724 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.3

Radius: 11.7

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.58 AU - 8.4 AU

Year: 7139 Days

Day: 13.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,403,506 km

• M1: 145,708 km (0.107 R)
• M2: 862,282 km (0.116 R)
• M3: 1,362,837 km (0.085 R)
• M4: 1,884,335 km (0.115 R)
• M5: 2,321,161 km (0.084 R)
• M6: 3,137,217 km (0.048 R)
• M7: 6,081,602 km (0.102 R)
• M8: 6,606,092 km (0.116 R)
• M9: 8,836,297 km (0.041 R)
• M10: 9,930,905 km (0.104 R)
• M11: 10,412,909 km (0.032 R)
• M12: 11,953,169 km (0.07 R)
• M13: 15,163,240 km (0.107 R)
• M14: 15,545,014 km (0.118 R)
• M15: 17,620,984 km (0.096 R)
• M16: 21,748,538 km (0.055 R)
• M17: 22,398,092 km (0.094 R)
• M18: 22,977,186 km (0.109 R)
• M19: 25,752,376 km (0.12 R)
• M20: 26,940,931 km (0.03 R)
• M21: 27,785,112 km (0.109 R)
• M22: 28,840,674 km (0.096 R)
• M23: 31,031,834 km (0.1 R)
• M24: 35,742,970 km (0.075 R)
• M25: 37,106,106 km (0.12 R)
• M26: 38,385,916 km (0.083 R)
• M27: 40,787,710 km (0.114 R)

Kuiper Belt

Range: 31.5 - 61.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 17,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit