🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.5

Radius: 8.4

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.61 AU - 0.79 AU

Year: 378 Days

Day: 14.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,044,354 km

• M1: 104,569 km (0.1 R)
• M2: 495,019 km (0.112 R)
• M3: 869,612 km (0.116 R)
• M4: 1,132,157 km (0.117 R)
• M5: 2,048,444 km (0.104 R)
• M6: 2,631,875 km (0.086 R)
• M7: 3,138,863 km (0.091 R)
• M8: 3,927,393 km (0.1 R)
• M9: 4,575,600 km (0.04 R)
• M10: 5,772,084 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336

Radius: 15

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.01 AU - 1.15 AU

Year: 725 Days

Day: 13.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,044,354 km

• M1: 193,580 km (0.117 R)
• M2: 824,284 km (0.079 R)
• M3: 1,642,734 km (0.07 R)
• M4: 2,202,829 km (0.095 R)
• M5: 2,742,279 km (0.036 R)
• M6: 3,604,561 km (0.082 R)
• M7: 4,434,230 km (0.09 R)
• M8: 5,438,631 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.5

Radius: 12.3

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.72 AU - 3.38 AU

Year: 3439 Days

Day: 8.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,044,354 km

• M1: 153,338 km (0.074 R)
• M2: 1,815,669 km (0.079 R)
• M3: 2,721,036 km (0.106 R)
• M4: 4,394,138 km (0.077 R)
• M5: 5,022,150 km (0.065 R)
• M6: 6,825,253 km (0.08 R)
• M7: 8,222,198 km (0.076 R)
• M8: 8,691,187 km (0.063 R)
• M9: 9,139,832 km (0.111 R)
• M10: 10,537,524 km (0.112 R)
• M11: 12,072,997 km (0.097 R)
• M12: 12,490,973 km (0.116 R)
• M13: 14,623,042 km (0.089 R)
• M14: 15,205,277 km (0.061 R)
• M15: 16,987,437 km (0.066 R)
• M16: 17,690,547 km (0.106 R)
• M17: 22,184,317 km (0.098 R)
• M18: 23,237,636 km (0.084 R)
• M19: 25,067,068 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.8

Radius: 8.2

Gravity: 14.48 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.87 AU - 4.21 AU

Year: 5243 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 35,044,354 km

• M1: 102,475 km (0.11 R)
• M2: 494,720 km (0.107 R)
• M3: 1,008,140 km (0.093 R)
• M4: 1,279,511 km (0.033 R)
• M5: 1,759,570 km (0.036 R)
• M6: 2,190,711 km (0.077 R)
• M7: 2,527,905 km (0.114 R)
• M8: 2,860,760 km (0.104 R)
• M9: 3,371,786 km (0.094 R)
• M10: 4,212,975 km (0.115 R)
• M11: 4,496,014 km (0.063 R)
• M12: 4,986,845 km (0.098 R)
• M13: 6,954,955 km (0.098 R)
• M14: 7,388,489 km (0.1 R)
• M15: 8,673,834 km (0.097 R)
• M16: 9,742,412 km (0.104 R)
• M17: 11,382,453 km (0.076 R)
• M18: 11,832,144 km (0.109 R)
• M19: 13,253,175 km (0.068 R)
• M20: 18,059,605 km (0.039 R)
• M21: 21,334,601 km (0.083 R)
• M22: 22,249,841 km (0.082 R)
• M23: 25,745,195 km (0.11 R)
• M24: 26,694,842 km (0.112 R)
• M25: 27,489,058 km (0.12 R)
• M26: 28,572,296 km (0.116 R)
• M27: 28,847,556 km (0.1 R)
• M28: 30,631,959 km (0.106 R)
• M29: 32,289,803 km (0.1 R)
• M30: 32,588,400 km (0.118 R)
• M31: 34,730,791 km (0.028 R)
• M32: 35,044,348 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 16,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit