🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.04 AU - 1.5 AU

Year: 525 Days

Day: 23.6 Hours

Environment

Temp: 5 °C

Axial Tilt: 16.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 65,632,100 km

• M1: 441,613 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.28 AU - 2.12 AU

Year: 814 Days

Day: 13.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.28 AU - 2.14 AU

Year: 821 Days

Day: 14 Hours

Environment

Temp: -42 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.07 AU - 2.45 AU

Year: 1247 Days

Day: 12 Hours

Environment

Temp: -82 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 17.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.8

Radius: 5.5

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 14.96 AU - 19.38 AU

Year: 26117 Days

Day: 16.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 65,632,100 km

• M1: 124,316 km (0.116 R)
• M2: 201,060 km (0.082 R)
• M3: 359,334 km (0.096 R)
• M4: 1,105,079 km (0.104 R)
• M5: 1,721,871 km (0.072 R)
• M6: 2,049,042 km (0.102 R)
• M7: 2,331,034 km (0.054 R)
• M8: 4,147,003 km (0.095 R)
• M9: 4,422,861 km (0.062 R)
• M10: 4,704,554 km (0.074 R)
• M11: 5,117,145 km (0.062 R)
• M12: 5,455,535 km (0.118 R)
• M13: 5,541,255 km (0.043 R)
• M14: 6,696,001 km (0.066 R)
• M15: 7,253,253 km (0.087 R)
• M16: 8,067,963 km (0.113 R)
• M17: 8,510,922 km (0.075 R)
• M18: 10,787,802 km (0.083 R)
• M19: 10,895,512 km (0.055 R)
• M20: 11,936,713 km (0.099 R)
• M21: 12,610,502 km (0.108 R)
• M22: 13,412,197 km (0.044 R)
• M23: 13,527,986 km (0.066 R)
• M24: 14,585,643 km (0.041 R)
• M25: 15,852,886 km (0.071 R)
• M26: 15,914,072 km (0.095 R)
• M27: 17,596,599 km (0.107 R)
• M28: 20,323,619 km (0.11 R)
• M29: 22,213,489 km (0.115 R)
• M30: 22,282,004 km (0.12 R)
• M31: 23,318,269 km (0.032 R)
• M32: 24,370,241 km (0.079 R)
• M33: 24,937,516 km (0.108 R)
• M34: 25,724,700 km (0.059 R)
• M35: 26,447,408 km (0.104 R)
• M36: 27,323,453 km (0.05 R)
• M37: 28,208,922 km (0.065 R)
• M38: 29,479,457 km (0.067 R)
• M39: 30,159,529 km (0.054 R)
• M40: 30,235,375 km (0.105 R)
• M41: 30,311,371 km (0.099 R)
• M42: 31,381,445 km (0.085 R)
• M43: 31,921,044 km (0.088 R)
• M44: 32,853,338 km (0.06 R)
• M45: 33,637,081 km (0.119 R)
• M46: 33,952,284 km (0.046 R)
• M47: 34,744,554 km (0.118 R)
• M48: 35,944,329 km (0.042 R)
• M49: 36,427,979 km (0.098 R)
• M50: 36,832,791 km (0.039 R)
• M51: 37,565,073 km (0.081 R)
• M52: 40,207,420 km (0.071 R)
• M53: 41,213,615 km (0.081 R)
• M54: 41,973,722 km (0.071 R)
• M55: 43,422,128 km (0.113 R)
• M56: 43,507,848 km (0.114 R)
• M57: 45,930,436 km (0.114 R)
• M58: 49,466,331 km (0.098 R)
• M59: 50,004,285 km (0.067 R)
• M60: 50,724,449 km (0.109 R)
• M61: 51,902,084 km (0.098 R)
• M62: 52,722,778 km (0.117 R)
• M63: 53,272,101 km (0.099 R)
• M64: 54,099,826 km (0.078 R)
• M65: 55,024,490 km (0.069 R)
• M66: 55,581,892 km (0.093 R)
• M67: 57,170,921 km (0.038 R)
• M68: 57,264,868 km (0.114 R)
• M69: 58,207,185 km (0.119 R)
• M70: 60,107,078 km (0.117 R)
• M71: 60,298,115 km (0.118 R)
• M72: 60,776,828 km (0.105 R)
• M73: 61,448,971 km (0.042 R)
• M74: 62,027,167 km (0.047 R)
• M75: 62,994,766 km (0.047 R)
• M76: 65,632,027 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 15,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit