🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.44 AU - 0.7 AU

Year: 192 Days

Day: 31.6 Hours

Environment

Temp: 8 °C

Axial Tilt: 44.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.55 AU - 0.85 AU

Year: 261 Days

Day: 33 Hours

Environment

Temp: -38 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.07 AU - 1.19 AU

Year: 536 Days

Day: 36.7 Hours

Environment

Temp: -72 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,158,336 km

• M1: 1,013,226 km (0.12 R)

Asteroid Belt

Center: 2.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.4

Radius: 14.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.12 AU - 4.62 AU

Year: 3397 Days

Day: 10.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,158,336 km

• M1: 180,116 km (0.079 R)
• M2: 732,581 km (0.102 R)
• M3: 1,217,278 km (0.065 R)
• M4: 2,022,114 km (0.057 R)
• M5: 2,741,231 km (0.075 R)
• M6: 3,442,696 km (0.115 R)
• M7: 4,240,651 km (0.104 R)
• M8: 5,679,184 km (0.068 R)
• M9: 6,343,847 km (0.105 R)
• M10: 7,925,695 km (0.075 R)
• M11: 8,791,867 km (0.103 R)
• M12: 9,646,519 km (0.054 R)
• M13: 10,132,264 km (0.116 R)
• M14: 10,713,003 km (0.097 R)
• M15: 12,371,295 km (0.117 R)
• M16: 12,990,331 km (0.098 R)
• M17: 17,149,451 km (0.032 R)
• M18: 18,257,074 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.7

Radius: 9.8

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.21 AU - 4.81 AU

Year: 4274 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,158,336 km

• M1: 138,976 km (0.105 R)
• M2: 476,469 km (0.104 R)
• M3: 874,250 km (0.095 R)
• M4: 1,360,892 km (0.041 R)
• M5: 2,065,199 km (0.102 R)
• M6: 2,450,712 km (0.108 R)
• M7: 3,492,512 km (0.08 R)
• M8: 4,066,669 km (0.095 R)
• M9: 5,180,574 km (0.051 R)
• M10: 7,251,158 km (0.106 R)
• M11: 7,890,240 km (0.112 R)
• M12: 8,566,572 km (0.1 R)
• M13: 9,736,727 km (0.038 R)
• M14: 11,010,254 km (0.072 R)
• M15: 11,854,734 km (0.092 R)
• M16: 12,342,124 km (0.087 R)
• M17: 14,046,193 km (0.12 R)
• M18: 14,758,728 km (0.104 R)
• M19: 16,918,921 km (0.057 R)
• M20: 20,646,451 km (0.095 R)
• M21: 22,812,927 km (0.051 R)
• M22: 24,573,245 km (0.071 R)
• M23: 24,888,448 km (0.086 R)
• M24: 25,206,344 km (0.105 R)
• M25: 27,933,064 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.8

Radius: 12.2

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.3 AU - 5.74 AU

Year: 5787 Days

Day: 6.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,158,336 km

• M1: 151,692 km (0.106 R)
• M2: 730,187 km (0.046 R)
• M3: 1,318,107 km (0.109 R)
• M4: 1,909,018 km (0.099 R)
• M5: 2,460,287 km (0.099 R)
• M6: 3,434,468 km (0.106 R)
• M7: 6,720,086 km (0.039 R)
• M8: 7,198,500 km (0.119 R)
• M9: 9,309,625 km (0.111 R)
• M10: 10,451,655 km (0.085 R)
• M11: 17,129,704 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.7

Radius: 7.6

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 11.36 AU - 16.28 AU

Year: 22925 Days

Day: 18.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,158,336 km

• M1: 94,995 km (0.099 R)
• M2: 1,672,654 km (0.104 R)
• M3: 2,404,487 km (0.12 R)
• M4: 4,418,373 km (0.082 R)
• M5: 8,857,989 km (0.111 R)
• M6: 12,785,382 km (0.087 R)
• M7: 16,850,704 km (0.095 R)
• M8: 17,575,655 km (0.105 R)
• M9: 18,829,734 km (0.045 R)
• M10: 19,174,109 km (0.082 R)
• M11: 21,235,867 km (0.084 R)
• M12: 24,242,485 km (0.031 R)
• M13: 30,020,403 km (0.068 R)
• M14: 34,301,146 km (0.051 R)
• M15: 39,954,151 km (0.082 R)
• M16: 44,200,486 km (0.115 R)
• M17: 49,387,493 km (0.051 R)
• M18: 62,273,255 km (0.073 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 18,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit