🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 12.5

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.48 AU - 0.74 AU

Year: 329 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,751,794 km

• M1: 155,731 km (0.077 R)
• M2: 625,319 km (0.11 R)
• M3: 1,177,036 km (0.063 R)
• M4: 1,593,367 km (0.075 R)
• M5: 2,055,475 km (0.118 R)
• M6: 3,079,622 km (0.095 R)
• M7: 3,586,459 km (0.108 R)
• M8: 4,577,844 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.2

Radius: 11.1

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.73 AU - 1.21 AU

Year: 659 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,751,794 km

• M1: 139,276 km (0.079 R)
• M2: 538,403 km (0.116 R)
• M3: 1,012,778 km (0.058 R)
• M4: 1,636,601 km (0.054 R)
• M5: 2,347,639 km (0.114 R)
• M6: 2,775,041 km (0.118 R)
• M7: 3,235,054 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.7

Radius: 12.5

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.98 AU - 1.3 AU

Year: 840 Days

Day: 12.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,751,794 km

• M1: 155,432 km (0.072 R)
• M2: 582,085 km (0.081 R)
• M3: 1,145,172 km (0.075 R)
• M4: 1,899,145 km (0.08 R)
• M5: 3,409,485 km (0.099 R)
• M6: 4,666,107 km (0.118 R)
• M7: 6,189,163 km (0.033 R)
• M8: 7,374,427 km (0.067 R)
• M9: 8,517,654 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.2

Radius: 9.9

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.53 AU - 1.71 AU

Year: 1423 Days

Day: 11.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 139.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,751,794 km

• M1: 124,316 km (0.116 R)
• M2: 607,667 km (0.04 R)
• M3: 1,160,580 km (0.093 R)
• M4: 1,758,673 km (0.08 R)
• M5: 2,199,687 km (0.105 R)
• M6: 2,524,913 km (0.075 R)
• M7: 3,258,391 km (0.109 R)
• M8: 3,964,044 km (0.112 R)
• M9: 4,488,834 km (0.096 R)
• M10: 4,954,083 km (0.108 R)
• M11: 5,362,336 km (0.11 R)
• M12: 6,197,989 km (0.083 R)
• M13: 6,621,651 km (0.082 R)
• M14: 6,985,024 km (0.091 R)
• M15: 7,780,136 km (0.091 R)
• M16: 8,881,027 km (0.093 R)
• M17: 9,747,648 km (0.114 R)
• M18: 11,611,338 km (0.102 R)
• M19: 11,988,025 km (0.069 R)
• M20: 12,411,687 km (0.091 R)
• M21: 13,453,037 km (0.054 R)
• M22: 14,079,703 km (0.046 R)
• M23: 14,551,684 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.1

Radius: 10.9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.4 AU - 3.24 AU

Year: 3269 Days

Day: 14.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,751,794 km

• M1: 136,433 km (0.032 R)
• M2: 504,444 km (0.064 R)
• M3: 845,527 km (0.044 R)
• M4: 3,350,244 km (0.041 R)
• M5: 4,388,454 km (0.103 R)
• M6: 4,742,103 km (0.103 R)
• M7: 5,814,869 km (0.119 R)
• M8: 7,908,940 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.3

Radius: 10.5

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.42 AU - 4.78 AU

Year: 5730 Days

Day: 5.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,751,794 km

• M1: 130,599 km (0.082 R)
• M2: 526,285 km (0.062 R)
• M3: 874,699 km (0.115 R)
• M4: 1,338,303 km (0.079 R)
• M5: 2,084,347 km (0.087 R)
• M6: 2,623,647 km (0.056 R)
• M7: 3,767,622 km (0.116 R)
• M8: 5,158,434 km (0.084 R)
• M9: 5,577,158 km (0.108 R)
• M10: 6,083,547 km (0.074 R)
• M11: 6,900,351 km (0.038 R)
• M12: 7,788,813 km (0.119 R)
• M13: 11,554,790 km (0.077 R)
• M14: 12,326,565 km (0.094 R)
• M15: 13,242,104 km (0.111 R)
• M16: 16,838,587 km (0.071 R)
• M17: 17,362,778 km (0.032 R)
• M18: 17,762,952 km (0.044 R)
• M19: 18,720,827 km (0.07 R)
• M20: 20,814,001 km (0.079 R)
• M21: 21,570,517 km (0.077 R)
• M22: 28,482,387 km (0.05 R)
• M23: 30,464,110 km (0.072 R)
• M24: 33,864,769 km (0.1 R)
• M25: 35,871,475 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 8.3

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4 AU - 4.26 AU

Year: 5793 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,751,794 km

• M1: 103,223 km (0.068 R)
• M2: 832,662 km (0.089 R)
• M3: 1,650,065 km (0.09 R)
• M4: 1,928,616 km (0.052 R)
• M5: 2,270,148 km (0.088 R)
• M6: 3,673,974 km (0.112 R)
• M7: 4,130,248 km (0.062 R)
• M8: 5,073,761 km (0.078 R)
• M9: 5,699,230 km (0.099 R)
• M10: 6,311,385 km (0.075 R)
• M11: 6,600,856 km (0.096 R)
• M12: 7,068,799 km (0.06 R)
• M13: 7,630,389 km (0.085 R)
• M14: 8,221,450 km (0.112 R)
• M15: 9,662,826 km (0.101 R)
• M16: 10,488,008 km (0.065 R)
• M17: 13,245,545 km (0.115 R)
• M18: 13,882,234 km (0.052 R)
• M19: 14,650,568 km (0.099 R)
• M20: 14,931,812 km (0.063 R)
• M21: 16,332,048 km (0.112 R)
• M22: 18,527,995 km (0.114 R)
• M23: 19,526,711 km (0.027 R)
• M24: 20,701,503 km (0.059 R)
• M25: 24,272,105 km (0.106 R)
• M26: 25,710,638 km (0.083 R)
• M27: 27,036,374 km (0.065 R)
• M28: 30,184,811 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.2

Radius: 6.7

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.05 AU - 8.47 AU

Year: 13503 Days

Day: 19.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,751,794 km

• M1: 84,523 km (0.099 R)
• M2: 496,067 km (0.104 R)
• M3: 760,705 km (0.063 R)
• M4: 1,006,345 km (0.089 R)
• M5: 1,823,299 km (0.077 R)
• M6: 2,835,029 km (0.1 R)
• M7: 3,462,293 km (0.089 R)
• M8: 5,189,999 km (0.112 R)
• M9: 6,049,439 km (0.116 R)
• M10: 7,554,992 km (0.098 R)
• M11: 8,092,796 km (0.089 R)
• M12: 8,324,224 km (0.066 R)
• M13: 8,655,733 km (0.089 R)
• M14: 8,897,932 km (0.078 R)
• M15: 9,194,435 km (0.077 R)
• M16: 9,859,547 km (0.099 R)
• M17: 11,516,493 km (0.117 R)
• M18: 11,928,186 km (0.109 R)
• M19: 16,528,321 km (0.073 R)
• M20: 17,128,059 km (0.056 R)
• M21: 17,587,324 km (0.085 R)
• M22: 18,291,481 km (0.035 R)
• M23: 18,530,389 km (0.086 R)
• M24: 19,923,594 km (0.079 R)
• M25: 21,209,687 km (0.093 R)
• M26: 23,101,950 km (0.071 R)
• M27: 26,096,601 km (0.09 R)
• M28: 28,160,154 km (0.052 R)
• M29: 28,692,572 km (0.08 R)
• M30: 29,340,331 km (0.109 R)
• M31: 30,553,121 km (0.103 R)
• M32: 33,078,184 km (0.079 R)
• M33: 46,913,443 km (0.112 R)
• M34: 52,478,035 km (0.112 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 17,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit