🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 8.4

Gravity: 13.75 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.26 AU - 1.76 AU

Year: 1237 Days

Day: 11.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,720,540 km

• M1: 104,569 km (0.088 R)
• M2: 389,403 km (0.116 R)
• M3: 728,392 km (0.083 R)
• M4: 1,136,944 km (0.081 R)
• M5: 2,275,084 km (0.031 R)
• M6: 2,678,849 km (0.041 R)
• M7: 2,954,857 km (0.119 R)
• M8: 3,311,349 km (0.103 R)
• M9: 4,256,209 km (0.107 R)
• M10: 6,471,155 km (0.038 R)
• M11: 7,881,265 km (0.099 R)
• M12: 8,393,937 km (0.113 R)
• M13: 9,019,854 km (0.095 R)
• M14: 10,065,842 km (0.074 R)
• M15: 11,403,846 km (0.092 R)
• M16: 13,208,594 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.4

Radius: 10.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.03 AU - 2.11 AU

Year: 1986 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,720,540 km

• M1: 134,488 km (0.103 R)
• M2: 478,564 km (0.104 R)
• M3: 1,131,409 km (0.085 R)
• M4: 1,565,093 km (0.057 R)
• M5: 2,180,539 km (0.05 R)
• M6: 2,585,799 km (0.076 R)
• M7: 2,951,117 km (0.099 R)
• M8: 3,711,822 km (0.107 R)
• M9: 4,393,839 km (0.062 R)
• M10: 4,774,117 km (0.091 R)
• M11: 5,120,137 km (0.114 R)
• M12: 5,801,705 km (0.071 R)
• M13: 6,609,234 km (0.058 R)
• M14: 7,417,661 km (0.106 R)
• M15: 9,655,196 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.5

Radius: 12.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.62 AU - 2.64 AU

Year: 2844 Days

Day: 9.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,720,540 km

• M1: 174,730 km (0.103 R)
• M2: 627,713 km (0.051 R)
• M3: 1,361,939 km (0.12 R)
• M4: 2,128,778 km (0.104 R)
• M5: 2,860,162 km (0.116 R)
• M6: 3,829,107 km (0.102 R)
• M7: 4,668,800 km (0.025 R)
• M8: 5,829,530 km (0.071 R)
• M9: 6,247,656 km (0.107 R)
• M10: 6,798,475 km (0.059 R)
• M11: 8,986,643 km (0.082 R)
• M12: 9,546,439 km (0.103 R)
• M13: 10,018,121 km (0.104 R)
• M14: 10,543,658 km (0.061 R)
• M15: 14,046,642 km (0.119 R)
• M16: 15,682,794 km (0.07 R)
• M17: 16,964,698 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.2

Radius: 8.1

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.7 AU - 3.4 AU

Year: 3552 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,720,540 km

• M1: 100,829 km (0.076 R)
• M2: 406,457 km (0.069 R)
• M3: 2,055,475 km (0.112 R)
• M4: 2,573,532 km (0.117 R)
• M5: 7,645,199 km (0.081 R)
• M6: 8,477,263 km (0.115 R)
• M7: 11,944,941 km (0.085 R)
• M8: 14,690,960 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.2

Radius: 9.1

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.95 AU - 5.89 AU

Year: 8415 Days

Day: 8.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 172.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,720,540 km

• M1: 113,096 km (0.069 R)
• M2: 405,111 km (0.035 R)
• M3: 1,190,051 km (0.119 R)
• M4: 2,362,749 km (0.111 R)
• M5: 3,395,124 km (0.103 R)
• M6: 3,759,544 km (0.1 R)
• M7: 7,383,253 km (0.115 R)
• M8: 9,327,278 km (0.116 R)
• M9: 10,183,576 km (0.101 R)
• M10: 14,254,433 km (0.069 R)
• M11: 16,454,569 km (0.094 R)
• M12: 17,368,163 km (0.098 R)
• M13: 18,041,354 km (0.068 R)
• M14: 28,908,293 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.7

Radius: 5.6

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.93 AU - 7.91 AU

Year: 12139 Days

Day: 19.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,720,540 km

• M1: 69,713 km (0.106 R)
• M2: 356,941 km (0.099 R)
• M3: 672,442 km (0.083 R)
• M4: 976,575 km (0.091 R)
• M5: 1,516,922 km (0.106 R)
• M6: 2,896,215 km (0.05 R)
• M7: 3,119,265 km (0.082 R)
• M8: 8,084,419 km (0.086 R)
• M9: 10,107,131 km (0.079 R)
• M10: 11,815,240 km (0.041 R)
• M11: 13,769,138 km (0.096 R)
• M12: 15,118,810 km (0.066 R)
• M13: 19,222,728 km (0.106 R)
• M14: 20,577,038 km (0.067 R)
• M15: 28,413,572 km (0.11 R)
• M16: 33,323,524 km (0.07 R)
• M17: 40,027,902 km (0.092 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: 327 - 10,802 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit