🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.52 AU - 0.58 AU

Year: 176 Days

Day: 30.5 Hours

Environment

Temp: 30 °C

Axial Tilt: 15.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 85,720,950 km

• M1: 186,848 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.77 AU - 2.35 AU

Year: 1273 Days

Day: 17.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.91 AU - 2.57 AU

Year: 1443 Days

Day: 38.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.7

Radius: 13.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.57 AU - 3.99 AU

Year: 2557 Days

Day: 12.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,720,950 km

• M1: 167,849 km (0.117 R)
• M2: 799,301 km (0.066 R)
• M3: 1,871,619 km (0.056 R)
• M4: 2,821,266 km (0.083 R)
• M5: 3,339,024 km (0.06 R)
• M6: 4,071,007 km (0.094 R)
• M7: 5,017,213 km (0.118 R)
• M8: 5,448,953 km (0.097 R)
• M9: 5,954,893 km (0.081 R)
• M10: 9,926,716 km (0.083 R)
• M11: 10,647,479 km (0.086 R)
• M12: 11,675,665 km (0.095 R)
• M13: 12,894,588 km (0.073 R)
• M14: 13,448,549 km (0.112 R)
• M15: 13,929,507 km (0.115 R)
• M16: 14,879,902 km (0.045 R)
• M17: 15,728,421 km (0.107 R)
• M18: 16,459,955 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.8

Radius: 12.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.11 AU - 10.43 AU

Year: 12149 Days

Day: 14.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,720,950 km

• M1: 150,495 km (0.111 R)
• M2: 540,348 km (0.077 R)
• M3: 1,047,634 km (0.099 R)
• M4: 1,750,445 km (0.113 R)
• M5: 2,588,642 km (0.046 R)
• M6: 3,246,573 km (0.078 R)
• M7: 3,882,065 km (0.071 R)
• M8: 5,114,003 km (0.1 R)
• M9: 5,566,986 km (0.029 R)
• M10: 6,553,883 km (0.059 R)
• M11: 8,827,471 km (0.064 R)
• M12: 9,291,374 km (0.11 R)
• M13: 11,971,869 km (0.082 R)
• M14: 12,368,453 km (0.109 R)
• M15: 12,950,089 km (0.098 R)
• M16: 13,489,240 km (0.056 R)
• M17: 14,548,393 km (0.063 R)
• M18: 17,186,851 km (0.119 R)
• M19: 19,113,671 km (0.113 R)
• M20: 22,696,391 km (0.114 R)
• M21: 25,103,719 km (0.044 R)
• M22: 28,975,911 km (0.109 R)
• M23: 30,002,900 km (0.116 R)
• M24: 34,127,463 km (0.071 R)
• M25: 37,398,420 km (0.086 R)
• M26: 44,421,293 km (0.115 R)
• M27: 45,237,050 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.1

Radius: 4.4

Gravity: 26.92 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 13.32 AU - 18.58 AU

Year: 27420 Days

Day: 16.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,720,950 km

• M1: 55,202 km (0.105 R)
• M2: 238,609 km (0.089 R)
• M3: 670,647 km (0.113 R)
• M4: 1,630,916 km (0.053 R)
• M5: 1,955,543 km (0.098 R)
• M6: 2,276,431 km (0.09 R)
• M7: 2,582,209 km (0.095 R)
• M8: 3,189,576 km (0.075 R)
• M9: 4,608,512 km (0.103 R)
• M10: 5,294,269 km (0.107 R)
• M11: 6,133,363 km (0.095 R)
• M12: 6,818,372 km (0.084 R)
• M13: 7,809,158 km (0.069 R)
• M14: 8,018,296 km (0.052 R)
• M15: 10,257,178 km (0.075 R)
• M16: 10,956,847 km (0.075 R)
• M17: 11,620,164 km (0.118 R)
• M18: 14,463,421 km (0.111 R)
• M19: 17,648,809 km (0.113 R)
• M20: 19,787,610 km (0.114 R)
• M21: 20,570,306 km (0.032 R)
• M22: 26,167,660 km (0.098 R)
• M23: 26,753,934 km (0.064 R)
• M24: 27,469,011 km (0.12 R)
• M25: 28,442,295 km (0.083 R)
• M26: 29,438,168 km (0.1 R)
• M27: 31,763,817 km (0.069 R)
• M28: 32,296,684 km (0.115 R)
• M29: 33,792,962 km (0.086 R)
• M30: 40,085,497 km (0.092 R)
• M31: 44,577,024 km (0.067 R)
• M32: 48,332,828 km (0.12 R)
• M33: 51,375,350 km (0.084 R)
• M34: 62,713,821 km (0.055 R)
• M35: 64,397,695 km (0.09 R)
• M36: 77,037,219 km (0.057 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: 156 - 10,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit