🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.77 AU - 0.87 AU

Year: 281 Days

Day: 13.8 Hours

Environment

Temp: 157 °C

Axial Tilt: 41.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.82 AU - 1.14 AU

Year: 367 Days

Day: 43 Hours

Environment

Temp: 15 °C

Axial Tilt: 23.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.03 AU - 4.01 AU

Year: 2501 Days

Day: 47.7 Hours

Environment

Temp: -114 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.2

Radius: 13.2

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.36 AU - 8.42 AU

Year: 9204 Days

Day: 13.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,694,944 km

• M1: 164,109 km (0.109 R)
• M2: 617,690 km (0.095 R)
• M3: 2,087,339 km (0.102 R)
• M4: 2,513,244 km (0.072 R)
• M5: 4,239,753 km (0.113 R)
• M6: 6,041,061 km (0.077 R)
• M7: 6,692,111 km (0.116 R)
• M8: 8,438,367 km (0.104 R)
• M9: 10,319,411 km (0.115 R)
• M10: 11,145,341 km (0.095 R)
• M11: 13,046,281 km (0.101 R)
• M12: 21,819,149 km (0.066 R)
• M13: 25,694,481 km (0.079 R)
• M14: 32,333,785 km (0.06 R)
• M15: 32,879,069 km (0.117 R)
• M16: 36,869,143 km (0.064 R)
• M17: 39,412,157 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.7

Radius: 14.1

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.34 AU - 8.5 AU

Year: 9254 Days

Day: 11.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,694,944 km

• M1: 176,077 km (0.052 R)
• M2: 951,742 km (0.08 R)
• M3: 3,798,589 km (0.093 R)
• M4: 4,252,918 km (0.093 R)
• M5: 7,616,177 km (0.076 R)
• M6: 8,647,804 km (0.04 R)
• M7: 9,687,509 km (0.09 R)
• M8: 17,875,599 km (0.077 R)
• M9: 24,775,801 km (0.099 R)
• M10: 25,486,840 km (0.103 R)
• M11: 26,538,064 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.3

Radius: 4.1

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 14.67 AU - 16.55 AU

Year: 23359 Days

Day: 18.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,694,944 km

• M1: 51,013 km (0.116 R)
• M2: 245,789 km (0.083 R)
• M3: 1,121,386 km (0.096 R)
• M4: 1,362,238 km (0.07 R)
• M5: 3,359,370 km (0.031 R)
• M6: 5,434,442 km (0.076 R)
• M7: 5,754,880 km (0.08 R)
• M8: 6,682,836 km (0.117 R)
• M9: 7,470,319 km (0.099 R)
• M10: 10,201,677 km (0.103 R)
• M11: 14,360,199 km (0.059 R)
• M12: 15,473,207 km (0.114 R)
• M13: 16,842,775 km (0.096 R)
• M14: 22,473,939 km (0.099 R)
• M15: 23,048,245 km (0.062 R)
• M16: 24,225,879 km (0.059 R)
• M17: 24,569,655 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 12,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit