🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.49 AU - 0.53 AU

Year: 132 Days

Day: 15.6 Hours

Environment

Temp: 250 °C

Axial Tilt: 26.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.61 AU - 0.77 AU

Year: 208 Days

Day: 39.7 Hours

Environment

Temp: 198 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.82 AU - 1.2 AU

Year: 369 Days

Day: 30.6 Hours

Environment

Temp: 27 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.44 AU - 2.2 AU

Year: 892 Days

Day: 36.7 Hours

Environment

Temp: -46 °C

Axial Tilt: 150.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,514,182 km

• M1: 297,101 km (0.068 R)

Asteroid Belt

Center: 5.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.9

Radius: 12

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.56 AU - 12.58 AU

Year: 11614 Days

Day: 5.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 105,514,182 km

• M1: 149,299 km (0.058 R)
• M2: 541,095 km (0.101 R)
• M3: 1,087,876 km (0.097 R)
• M4: 1,515,726 km (0.055 R)
• M5: 2,137,305 km (0.088 R)
• M6: 2,667,330 km (0.027 R)
• M7: 3,418,461 km (0.116 R)
• M8: 3,795,298 km (0.114 R)
• M9: 4,413,287 km (0.108 R)
• M10: 4,890,803 km (0.091 R)
• M11: 6,428,669 km (0.06 R)
• M12: 7,939,009 km (0.083 R)
• M13: 12,400,018 km (0.1 R)
• M14: 12,955,924 km (0.042 R)
• M15: 13,703,464 km (0.079 R)
• M16: 16,448,435 km (0.098 R)
• M17: 16,849,208 km (0.082 R)
• M18: 18,806,547 km (0.099 R)
• M19: 21,224,198 km (0.1 R)
• M20: 24,012,403 km (0.114 R)
• M21: 30,505,998 km (0.105 R)
• M22: 35,579,161 km (0.114 R)
• M23: 38,432,142 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.5

Radius: 13.1

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 10.06 AU - 13.3 AU

Year: 14508 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 105,514,182 km

• M1: 162,912 km (0.078 R)
• M2: 1,588,131 km (0.104 R)
• M3: 5,303,245 km (0.047 R)
• M4: 6,817,175 km (0.089 R)
• M5: 9,313,963 km (0.067 R)
• M6: 10,009,444 km (0.045 R)
• M7: 10,567,743 km (0.115 R)
• M8: 14,226,010 km (0.117 R)
• M9: 22,955,045 km (0.093 R)
• M10: 42,868,467 km (0.114 R)
• M11: 43,748,850 km (0.117 R)
• M12: 46,616,791 km (0.071 R)
• M13: 57,552,395 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.3

Radius: 3.5

Gravity: 30.8 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 15.29 AU - 19.65 AU

Year: 26538 Days

Day: 19.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 105,514,182 km

• M1: 116,537 km (0.051 R)
• M2: 232,924 km (0.099 R)
• M3: 636,689 km (0.082 R)
• M4: 1,032,973 km (0.111 R)
• M5: 2,055,624 km (0.029 R)
• M6: 2,264,313 km (0.094 R)
• M7: 3,497,149 km (0.089 R)
• M8: 5,660,185 km (0.117 R)
• M9: 6,282,063 km (0.082 R)
• M10: 14,130,416 km (0.092 R)
• M11: 19,683,041 km (0.112 R)
• M12: 22,581,051 km (0.118 R)
• M13: 31,545,105 km (0.032 R)
• M14: 32,053,139 km (0.057 R)
• M15: 34,140,029 km (0.116 R)
• M16: 38,726,999 km (0.113 R)
• M17: 53,825,912 km (0.105 R)
• M18: 57,328,298 km (0.11 R)
• M19: 57,894,825 km (0.112 R)
• M20: 73,078,859 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971

Radius: 6

Gravity: 26.97 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 14.54 AU - 21.18 AU

Year: 27432 Days

Day: 16.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 105,514,182 km

• M1: 80,334 km (0.079 R)
• M2: 459,714 km (0.101 R)
• M3: 699,819 km (0.072 R)
• M4: 1,291,778 km (0.054 R)
• M5: 1,722,171 km (0.107 R)
• M6: 3,007,815 km (0.084 R)
• M7: 3,215,756 km (0.092 R)
• M8: 3,562,224 km (0.067 R)
• M9: 4,182,308 km (0.067 R)
• M10: 4,712,632 km (0.082 R)
• M11: 5,679,483 km (0.025 R)
• M12: 6,622,249 km (0.096 R)
• M13: 8,226,088 km (0.058 R)
• M14: 12,785,681 km (0.087 R)
• M15: 13,175,683 km (0.103 R)
• M16: 23,772,747 km (0.042 R)
• M17: 24,720,599 km (0.089 R)
• M18: 27,974,951 km (0.066 R)
• M19: 34,712,391 km (0.083 R)
• M20: 35,931,314 km (0.104 R)
• M21: 39,593,919 km (0.058 R)
• M22: 41,600,176 km (0.086 R)
• M23: 42,628,212 km (0.052 R)
• M24: 43,497,825 km (0.074 R)
• M25: 44,025,307 km (0.08 R)
• M26: 45,272,504 km (0.113 R)
• M27: 57,574,835 km (0.077 R)
• M28: 58,851,054 km (0.059 R)
• M29: 66,208,577 km (0.04 R)
• M30: 68,080,196 km (0.092 R)
• M31: 68,316,710 km (0.073 R)
• M32: 68,553,523 km (0.05 R)
• M33: 72,173,942 km (0.056 R)
• M34: 76,940,130 km (0.114 R)
• M35: 81,378,549 km (0.092 R)
• M36: 91,047,957 km (0.081 R)
• M37: 95,712,418 km (0.035 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 13,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit