🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.52 AU - 0.66 AU

Year: 169 Days

Day: 31.4 Hours

Environment

Temp: 148 °C

Axial Tilt: 24.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.89 AU - 1.41 AU

Year: 460 Days

Day: 30.9 Hours

Environment

Temp: 16 °C

Axial Tilt: 0.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.05 AU - 1.45 AU

Year: 521 Days

Day: 35.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 26.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741

Radius: 8.8

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.29 AU - 8.49 AU

Year: 6742 Days

Day: 5.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 54,050,426 km

• M1: 171,888 km (0.101 R)
• M2: 295,755 km (0.108 R)
• M3: 445,802 km (0.04 R)
• M4: 720,164 km (0.069 R)
• M5: 853,456 km (0.025 R)
• M6: 1,044,343 km (0.076 R)
• M7: 1,249,142 km (0.087 R)
• M8: 1,448,257 km (0.091 R)
• M9: 1,898,098 km (0.099 R)
• M10: 2,660,748 km (0.091 R)
• M11: 3,135,422 km (0.07 R)
• M12: 3,258,391 km (0.041 R)
• M13: 3,382,707 km (0.059 R)
• M14: 3,817,738 km (0.105 R)
• M15: 4,162,411 km (0.048 R)
• M16: 4,297,648 km (0.102 R)
• M17: 4,544,783 km (0.075 R)
• M18: 4,628,109 km (0.116 R)
• M19: 5,490,242 km (0.117 R)
• M20: 5,549,483 km (0.112 R)
• M21: 5,848,978 km (0.109 R)
• M22: 6,092,224 km (0.104 R)
• M23: 6,184,376 km (0.068 R)
• M24: 6,432,409 km (0.068 R)
• M25: 6,683,584 km (0.117 R)
• M26: 7,195,658 km (0.109 R)
• M27: 7,325,658 km (0.09 R)
• M28: 7,920,459 km (0.115 R)
• M29: 8,257,653 km (0.081 R)
• M30: 8,703,006 km (0.095 R)
• M31: 8,772,120 km (0.063 R)
• M32: 9,120,982 km (0.119 R)
• M33: 9,940,479 km (0.093 R)
• M34: 10,267,500 km (0.069 R)
• M35: 10,340,654 km (0.1 R)
• M36: 10,783,314 km (0.112 R)
• M37: 12,186,841 km (0.077 R)
• M38: 12,732,873 km (0.12 R)
• M39: 13,127,812 km (0.106 R)
• M40: 13,207,248 km (0.103 R)
• M41: 13,286,834 km (0.062 R)
• M42: 14,336,413 km (0.085 R)
• M43: 14,664,780 km (0.12 R)
• M44: 14,829,787 km (0.061 R)
• M45: 15,161,894 km (0.104 R)
• M46: 15,245,220 km (0.076 R)
• M47: 15,454,358 km (0.061 R)
• M48: 15,622,356 km (0.105 R)
• M49: 15,790,953 km (0.115 R)
• M50: 15,917,812 km (0.078 R)
• M51: 16,172,577 km (0.107 R)
• M52: 16,385,904 km (0.072 R)
• M53: 16,643,212 km (0.088 R)
• M54: 17,553,964 km (0.116 R)
• M55: 17,817,106 km (0.063 R)
• M56: 18,214,438 km (0.098 R)
• M57: 18,748,652 km (0.038 R)
• M58: 19,062,658 km (0.043 R)
• M59: 19,559,622 km (0.056 R)
• M60: 19,650,428 km (0.115 R)
• M61: 19,786,862 km (0.119 R)
• M62: 20,015,148 km (0.079 R)
• M63: 20,428,038 km (0.037 R)
• M64: 21,966,054 km (0.111 R)
• M65: 24,611,243 km (0.106 R)
• M66: 25,896,289 km (0.115 R)
• M67: 26,547,040 km (0.113 R)
• M68: 26,748,398 km (0.066 R)
• M69: 27,456,894 km (0.068 R)
• M70: 27,558,621 km (0.109 R)
• M71: 28,685,841 km (0.073 R)
• M72: 28,789,063 km (0.089 R)
• M73: 29,255,210 km (0.113 R)
• M74: 29,411,091 km (0.111 R)
• M75: 29,723,751 km (0.063 R)
• M76: 29,985,098 km (0.079 R)
• M77: 30,089,817 km (0.081 R)
• M78: 31,996,441 km (0.058 R)
• M79: 32,425,338 km (0.117 R)
• M80: 32,856,180 km (0.099 R)
• M81: 33,451,729 km (0.083 R)
• M82: 33,996,266 km (0.115 R)
• M83: 34,269,731 km (0.117 R)
• M84: 34,873,657 km (0.067 R)
• M85: 35,591,877 km (0.035 R)
• M86: 37,549,963 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.1

Radius: 3.7

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 15.83 AU - 16.45 AU

Year: 24172 Days

Day: 21.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 54,050,426 km

• M1: 50,863 km (0.068 R)
• M2: 100,081 km (0.085 R)
• M3: 527,482 km (0.114 R)
• M4: 631,752 km (0.109 R)
• M5: 667,954 km (0.08 R)
• M6: 704,905 km (0.118 R)
• M7: 879,785 km (0.025 R)
• M8: 1,245,103 km (0.098 R)
• M9: 1,314,068 km (0.119 R)
• M10: 1,805,198 km (0.104 R)
• M11: 1,857,258 km (0.106 R)
• M12: 2,234,992 km (0.118 R)
• M13: 2,290,942 km (0.03 R)
• M14: 2,577,272 km (0.104 R)
• M15: 2,695,006 km (0.116 R)
• M16: 3,665,597 km (0.116 R)
• M17: 4,378,131 km (0.098 R)
• M18: 4,624,968 km (0.054 R)
• M19: 4,660,572 km (0.111 R)
• M20: 4,985,349 km (0.055 R)
• M21: 5,022,001 km (0.084 R)
• M22: 5,317,456 km (0.047 R)
• M23: 5,354,856 km (0.079 R)
• M24: 5,429,804 km (0.088 R)
• M25: 5,809,783 km (0.106 R)
• M26: 6,080,854 km (0.086 R)
• M27: 6,918,453 km (0.078 R)
• M28: 7,371,435 km (0.116 R)
• M29: 7,961,898 km (0.057 R)
• M30: 9,142,674 km (0.059 R)
• M31: 9,277,162 km (0.094 R)
• M32: 9,776,071 km (0.062 R)
• M33: 10,237,132 km (0.046 R)
• M34: 11,372,430 km (0.108 R)
• M35: 11,517,091 km (0.07 R)
• M36: 12,546,923 km (0.09 R)
• M37: 12,796,452 km (0.11 R)
• M38: 14,223,616 km (0.105 R)
• M39: 14,379,647 km (0.034 R)
• M40: 14,850,730 km (0.104 R)
• M41: 15,008,855 km (0.058 R)
• M42: 15,807,857 km (0.111 R)
• M43: 16,784,881 km (0.12 R)
• M44: 17,447,151 km (0.076 R)
• M45: 17,669,752 km (0.073 R)
• M46: 19,946,931 km (0.11 R)
• M47: 21,714,430 km (0.119 R)
• M48: 22,375,054 km (0.078 R)
• M49: 22,495,780 km (0.081 R)
• M50: 23,469,961 km (0.098 R)
• M51: 23,531,296 km (0.087 R)
• M52: 24,085,856 km (0.103 R)
• M53: 25,585,574 km (0.057 R)
• M54: 26,028,534 km (0.062 R)
• M55: 30,261,854 km (0.117 R)
• M56: 31,201,179 km (0.105 R)
• M57: 31,877,960 km (0.119 R)
• M58: 32,354,579 km (0.103 R)
• M59: 33,383,812 km (0.102 R)
• M60: 34,006,438 km (0.08 R)
• M61: 34,912,702 km (0.096 R)
• M62: 35,193,049 km (0.056 R)
• M63: 35,826,745 km (0.09 R)
• M64: 35,897,355 km (0.034 R)
• M65: 35,968,115 km (0.085 R)
• M66: 37,678,468 km (0.11 R)
• M67: 43,794,029 km (0.087 R)
• M68: 44,855,575 km (0.117 R)
• M69: 46,926,458 km (0.1 R)
• M70: 48,090,330 km (0.115 R)
• M71: 52,117,953 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 15,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit