🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.9

Radius: 12

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.69 AU - 0.99 AU

Year: 489 Days

Day: 12.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,787,540 km

• M1: 149,299 km (0.115 R)
• M2: 554,559 km (0.073 R)
• M3: 1,110,166 km (0.084 R)
• M4: 1,524,402 km (0.077 R)
• M5: 2,130,274 km (0.101 R)
• M6: 2,545,557 km (0.105 R)
• M7: 2,981,186 km (0.039 R)
• M8: 3,466,631 km (0.119 R)
• M9: 5,979,277 km (0.066 R)
• M10: 6,618,958 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.6

Radius: 11.8

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.82 AU - 2.2 AU

Year: 1812 Days

Day: 13.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,787,540 km

• M1: 148,999 km (0.11 R)
• M2: 526,435 km (0.045 R)
• M3: 981,512 km (0.106 R)
• M4: 2,021,666 km (0.084 R)
• M5: 4,022,836 km (0.092 R)
• M6: 4,393,689 km (0.112 R)
• M7: 5,454,338 km (0.105 R)
• M8: 7,329,398 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.9

Radius: 13.6

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.7 AU - 3.6 AU

Year: 3555 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,787,540 km

• M1: 169,195 km (0.048 R)
• M2: 654,341 km (0.082 R)
• M3: 1,259,016 km (0.106 R)
• M4: 2,143,737 km (0.106 R)
• M5: 2,977,297 km (0.119 R)
• M6: 3,636,126 km (0.096 R)
• M7: 4,218,211 km (0.068 R)
• M8: 5,653,752 km (0.114 R)
• M9: 6,302,558 km (0.072 R)
• M10: 7,146,440 km (0.079 R)
• M11: 9,232,881 km (0.114 R)
• M12: 9,706,658 km (0.12 R)
• M13: 10,607,087 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.5

Radius: 10

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.88 AU - 3.62 AU

Year: 3725 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,787,540 km

• M1: 124,615 km (0.095 R)
• M2: 713,881 km (0.117 R)
• M3: 1,219,971 km (0.117 R)
• M4: 1,539,811 km (0.103 R)
• M5: 1,980,825 km (0.063 R)
• M6: 2,384,440 km (0.039 R)
• M7: 2,809,149 km (0.059 R)
• M8: 3,192,119 km (0.085 R)
• M9: 4,350,007 km (0.041 R)
• M10: 4,864,923 km (0.113 R)
• M11: 6,448,865 km (0.082 R)
• M12: 7,439,203 km (0.107 R)
• M13: 8,107,905 km (0.088 R)
• M14: 8,492,372 km (0.073 R)
• M15: 8,816,102 km (0.118 R)
• M16: 10,315,072 km (0.12 R)
• M17: 11,275,192 km (0.059 R)
• M18: 12,202,698 km (0.101 R)
• M19: 13,860,542 km (0.099 R)
• M20: 14,666,276 km (0.058 R)
• M21: 15,133,171 km (0.03 R)
• M22: 17,850,916 km (0.107 R)
• M23: 19,666,585 km (0.031 R)
• M24: 21,668,952 km (0.116 R)
• M25: 23,520,525 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.3

Radius: 13

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.29 AU - 4.61 AU

Year: 5969 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,787,540 km

• M1: 161,715 km (0.078 R)
• M2: 634,445 km (0.115 R)
• M3: 1,165,068 km (0.108 R)
• M4: 1,861,297 km (0.099 R)
• M5: 2,545,857 km (0.091 R)
• M6: 3,078,275 km (0.03 R)
• M7: 3,661,408 km (0.076 R)
• M8: 4,266,382 km (0.047 R)
• M9: 5,022,300 km (0.108 R)
• M10: 5,961,774 km (0.092 R)
• M11: 8,188,539 km (0.098 R)
• M12: 11,870,292 km (0.068 R)
• M13: 15,964,038 km (0.104 R)
• M14: 16,470,426 km (0.104 R)
• M15: 18,603,692 km (0.092 R)
• M16: 21,369,457 km (0.09 R)
• M17: 21,907,262 km (0.104 R)
• M18: 22,454,192 km (0.11 R)
• M19: 23,170,616 km (0.091 R)
• M20: 23,656,659 km (0.115 R)
• M21: 25,326,321 km (0.053 R)
• M22: 28,899,317 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.5

Radius: 3.9

Gravity: 44.15 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.99 AU - 7.61 AU

Year: 10054 Days

Day: 23.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 101.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,787,540 km

• M1: 48,470 km (0.075 R)
• M2: 226,342 km (0.07 R)
• M3: 402,418 km (0.087 R)
• M4: 536,308 km (0.061 R)
• M5: 2,294,383 km (0.068 R)
• M6: 2,751,703 km (0.101 R)
• M7: 3,103,857 km (0.054 R)
• M8: 3,411,430 km (0.047 R)
• M9: 4,312,308 km (0.104 R)
• M10: 6,760,926 km (0.046 R)
• M11: 7,482,437 km (0.113 R)
• M12: 8,796,654 km (0.076 R)
• M13: 8,982,754 km (0.053 R)
• M14: 9,124,124 km (0.119 R)
• M15: 12,099,625 km (0.068 R)
• M16: 17,498,313 km (0.115 R)
• M17: 20,512,411 km (0.035 R)
• M18: 21,589,217 km (0.058 R)
• M19: 24,035,441 km (0.086 R)
• M20: 27,246,559 km (0.087 R)
• M21: 28,444,838 km (0.101 R)
• M22: 28,647,843 km (0.065 R)
• M23: 30,201,865 km (0.096 R)
• M24: 32,139,756 km (0.095 R)
• M25: 37,709,285 km (0.112 R)
• M26: 38,820,498 km (0.08 R)
• M27: 42,021,593 km (0.043 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 13,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit