🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.8

Radius: 14.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 9.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,343,807 km

• M1: 176,525 km (0.059 R)
• M2: 775,815 km (0.072 R)
• M3: 2,040,365 km (0.096 R)
• M4: 2,481,978 km (0.076 R)
• M5: 3,179,553 km (0.092 R)
• M6: 3,780,039 km (0.118 R)
• M7: 4,239,454 km (0.068 R)
• M8: 4,808,524 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.5

Radius: 10.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.09 AU - 3.09 AU

Year: 3622 Days

Day: 10.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,343,807 km

• M1: 128,953 km (0.115 R)
• M2: 502,350 km (0.096 R)
• M3: 1,391,260 km (0.094 R)
• M4: 1,905,428 km (0.074 R)
• M5: 2,264,762 km (0.109 R)
• M6: 2,612,727 km (0.087 R)
• M7: 3,090,542 km (0.059 R)
• M8: 3,679,210 km (0.072 R)
• M9: 4,183,205 km (0.099 R)
• M10: 4,627,361 km (0.079 R)
• M11: 12,539,742 km (0.109 R)
• M12: 13,466,052 km (0.056 R)
• M13: 15,980,793 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.5

Radius: 10.5

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.18 AU - 3.46 AU

Year: 4034 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,343,807 km

• M1: 132,245 km (0.082 R)
• M2: 546,032 km (0.053 R)
• M3: 1,044,193 km (0.055 R)
• M4: 1,719,478 km (0.059 R)
• M5: 2,185,176 km (0.077 R)
• M6: 2,734,051 km (0.118 R)
• M7: 3,060,623 km (0.115 R)
• M8: 3,663,801 km (0.097 R)
• M9: 4,155,081 km (0.111 R)
• M10: 5,053,865 km (0.038 R)
• M11: 5,635,202 km (0.102 R)
• M12: 7,579,526 km (0.1 R)
• M13: 8,839,289 km (0.115 R)
• M14: 9,194,884 km (0.076 R)
• M15: 9,684,069 km (0.112 R)
• M16: 10,670,068 km (0.101 R)
• M17: 11,348,345 km (0.086 R)
• M18: 13,452,888 km (0.061 R)
• M19: 15,920,953 km (0.103 R)
• M20: 18,419,537 km (0.031 R)
• M21: 19,197,596 km (0.053 R)
• M22: 20,889,099 km (0.061 R)
• M23: 22,239,369 km (0.092 R)
• M24: 24,180,252 km (0.115 R)
• M25: 25,113,144 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.7

Radius: 9.1

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.09 AU - 4.69 AU

Year: 6134 Days

Day: 7.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,343,807 km

• M1: 113,246 km (0.076 R)
• M2: 571,763 km (0.113 R)
• M3: 954,883 km (0.074 R)
• M4: 1,262,307 km (0.115 R)
• M5: 1,811,780 km (0.109 R)
• M6: 2,646,237 km (0.101 R)
• M7: 3,188,679 km (0.103 R)
• M8: 3,548,611 km (0.108 R)
• M9: 3,935,471 km (0.1 R)
• M10: 4,593,403 km (0.086 R)
• M11: 4,948,997 km (0.095 R)
• M12: 5,715,536 km (0.065 R)
• M13: 6,218,335 km (0.07 R)
• M14: 7,177,257 km (0.095 R)
• M15: 7,940,954 km (0.11 R)
• M16: 10,086,636 km (0.042 R)
• M17: 10,865,593 km (0.094 R)
• M18: 12,888,605 km (0.092 R)
• M19: 14,068,034 km (0.083 R)
• M20: 15,542,471 km (0.067 R)
• M21: 20,923,955 km (0.05 R)
• M22: 21,974,880 km (0.096 R)
• M23: 23,281,917 km (0.083 R)
• M24: 25,260,199 km (0.076 R)
• M25: 27,929,324 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.7

Radius: 7.9

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.97 AU - 8.49 AU

Year: 15745 Days

Day: 21.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,343,807 km

• M1: 98,286 km (0.114 R)
• M2: 355,445 km (0.1 R)
• M3: 741,257 km (0.047 R)
• M4: 1,073,814 km (0.069 R)
• M5: 1,421,180 km (0.116 R)
• M6: 1,683,126 km (0.059 R)
• M7: 1,977,684 km (0.077 R)
• M8: 2,404,187 km (0.088 R)
• M9: 2,981,785 km (0.083 R)
• M10: 3,242,384 km (0.099 R)
• M11: 5,875,157 km (0.081 R)
• M12: 8,358,332 km (0.109 R)
• M13: 14,119,346 km (0.104 R)
• M14: 14,790,143 km (0.1 R)
• M15: 15,272,147 km (0.07 R)
• M16: 15,622,805 km (0.084 R)
• M17: 16,781,291 km (0.102 R)
• M18: 21,200,711 km (0.043 R)
• M19: 21,637,238 km (0.077 R)
• M20: 28,185,585 km (0.098 R)
• M21: 28,501,536 km (0.101 R)
• M22: 29,140,618 km (0.12 R)
• M23: 36,939,155 km (0.061 R)
• M24: 43,310,080 km (0.09 R)
• M25: 46,901,326 km (0.089 R)
• M26: 50,531,169 km (0.095 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 10,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit