🌌 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: 610.4

Radius: 9.1

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.82 AU - 0.86 AU

Year: 489 Days

Day: 11.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,861,591 km

• M1: 113,246 km (0.057 R)
• M2: 435,180 km (0.098 R)
• M3: 758,461 km (0.111 R)
• M4: 1,200,224 km (0.082 R)
• M5: 1,488,499 km (0.048 R)
• M6: 2,365,292 km (0.097 R)
• M7: 2,710,414 km (0.11 R)
• M8: 3,169,081 km (0.062 R)
• M9: 5,357,399 km (0.07 R)
• M10: 5,694,593 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.9

Radius: 14.5

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.93 AU - 0.97 AU

Year: 589 Days

Day: 6.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 87,861,591 km

• M1: 180,714 km (0.1 R)
• M2: 1,354,310 km (0.119 R)
• M3: 2,169,319 km (0.063 R)
• M4: 2,918,056 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.1

Radius: 12.4

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.08 AU - 1.1 AU

Year: 724 Days

Day: 11.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,861,591 km

• M1: 154,385 km (0.091 R)
• M2: 623,524 km (0.101 R)
• M3: 1,212,042 km (0.108 R)
• M4: 1,607,130 km (0.105 R)
• M5: 2,372,323 km (0.084 R)
• M6: 3,041,774 km (0.095 R)
• M7: 3,449,428 km (0.091 R)
• M8: 4,951,091 km (0.118 R)
• M9: 5,633,557 km (0.095 R)
• M10: 6,191,108 km (0.12 R)
• M11: 6,590,085 km (0.119 R)
• M12: 6,984,126 km (0.075 R)
• M13: 7,533,898 km (0.12 R)
• M14: 8,013,958 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.8

Radius: 14.6

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.12 AU - 1.16 AU

Year: 774 Days

Day: 6.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,861,591 km

• M1: 182,210 km (0.085 R)
• M2: 681,867 km (0.089 R)
• M3: 1,350,719 km (0.085 R)
• M4: 2,141,344 km (0.114 R)
• M5: 3,003,626 km (0.11 R)
• M6: 3,734,711 km (0.055 R)
• M7: 4,379,777 km (0.049 R)
• M8: 5,061,794 km (0.115 R)
• M9: 6,507,507 km (0.082 R)
• M10: 7,712,369 km (0.103 R)
• M11: 8,264,983 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.3

Radius: 10

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.34 AU - 6.8 AU

Year: 8358 Days

Day: 12.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 87,861,591 km

• M1: 127,158 km (0.1 R)
• M2: 671,395 km (0.071 R)
• M3: 1,398,291 km (0.077 R)
• M4: 1,836,314 km (0.09 R)
• M5: 2,482,277 km (0.103 R)
• M6: 3,252,407 km (0.09 R)
• M7: 3,772,858 km (0.075 R)
• M8: 5,176,086 km (0.107 R)
• M9: 5,494,131 km (0.117 R)
• M10: 6,233,893 km (0.091 R)
• M11: 6,594,424 km (0.116 R)
• M12: 7,073,586 km (0.106 R)
• M13: 7,429,778 km (0.087 R)
• M14: 9,142,524 km (0.03 R)
• M15: 10,315,521 km (0.026 R)
• M16: 11,199,196 km (0.062 R)
• M17: 11,931,777 km (0.106 R)
• M18: 14,153,604 km (0.104 R)
• M19: 14,720,730 km (0.059 R)
• M20: 16,513,511 km (0.114 R)
• M21: 19,468,966 km (0.103 R)
• M22: 20,599,627 km (0.103 R)
• M23: 22,914,055 km (0.063 R)
• M24: 24,173,969 km (0.115 R)
• M25: 24,821,129 km (0.087 R)
• M26: 26,489,295 km (0.059 R)
• M27: 27,003,912 km (0.103 R)
• M28: 27,350,829 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.5

Radius: 3.6

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.46 AU - 10.04 AU

Year: 15067 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,861,591 km

• M1: 44,730 km (0.045 R)
• M2: 376,239 km (0.107 R)
• M3: 718,070 km (0.1 R)
• M4: 1,153,250 km (0.098 R)
• M5: 1,901,090 km (0.091 R)
• M6: 3,231,314 km (0.098 R)
• M7: 4,024,781 km (0.117 R)
• M8: 4,197,716 km (0.12 R)
• M9: 5,342,140 km (0.119 R)
• M10: 6,081,602 km (0.074 R)
• M11: 6,611,179 km (0.095 R)
• M12: 12,989,583 km (0.066 R)
• M13: 13,204,854 km (0.086 R)
• M14: 15,428,627 km (0.089 R)
• M15: 26,992,841 km (0.113 R)
• M16: 33,570,211 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.2

Radius: 6

Gravity: 24.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.84 AU - 11.36 AU

Year: 21943 Days

Day: 15 Hours

Environment

Temp: -237 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,861,591 km

• M1: 74,649 km (0.119 R)
• M2: 300,393 km (0.072 R)
• M3: 1,088,025 km (0.115 R)
• M4: 2,715,201 km (0.115 R)
• M5: 3,116,124 km (0.067 R)
• M6: 3,838,532 km (0.104 R)
• M7: 4,449,639 km (0.103 R)
• M8: 6,213,996 km (0.12 R)
• M9: 7,968,031 km (0.115 R)
• M10: 8,619,381 km (0.079 R)
• M11: 10,089,778 km (0.108 R)
• M12: 14,285,400 km (0.087 R)
• M13: 23,412,516 km (0.094 R)
• M14: 24,294,545 km (0.076 R)
• M15: 28,291,052 km (0.111 R)
• M16: 29,672,289 km (0.087 R)
• M17: 37,258,098 km (0.025 R)
• M18: 37,705,545 km (0.094 R)
• M19: 40,465,326 km (0.059 R)
• M20: 43,851,923 km (0.066 R)
• M21: 52,478,783 km (0.101 R)
• M22: 57,882,558 km (0.084 R)
• M23: 69,328,740 km (0.118 R)
• M24: 76,056,305 km (0.101 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: 467 - 13,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit