🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.1

Radius: 12.7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.46 AU - 0.56 AU

Year: 247 Days

Day: 11.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 27,503,876 km

• M1: 157,975 km (0.112 R)
• M2: 605,423 km (0.103 R)
• M3: 1,092,214 km (0.077 R)
• M4: 1,508,844 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764

Radius: 14.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.56 AU - 0.72 AU

Year: 347 Days

Day: 13.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,503,876 km

• M1: 181,761 km (0.068 R)
• M2: 698,622 km (0.055 R)
• M3: 1,252,433 km (0.114 R)
• M4: 1,831,078 km (0.091 R)
• M5: 2,469,113 km (0.066 R)
• M6: 3,050,600 km (0.086 R)
• M7: 3,592,742 km (0.056 R)
• M8: 4,716,222 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.4

Radius: 9.3

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.54 AU - 1.9 AU

Year: 1530 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,503,876 km

• M1: 115,639 km (0.09 R)
• M2: 495,767 km (0.107 R)
• M3: 1,010,384 km (0.054 R)
• M4: 1,462,768 km (0.113 R)
• M5: 2,141,793 km (0.048 R)
• M6: 3,156,216 km (0.105 R)
• M7: 3,998,003 km (0.101 R)
• M8: 5,837,010 km (0.076 R)
• M9: 7,124,599 km (0.092 R)
• M10: 7,808,859 km (0.047 R)
• M11: 10,504,762 km (0.049 R)
• M12: 10,794,833 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 9.5

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.9 AU - 2.08 AU

Year: 1904 Days

Day: 7.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,503,876 km

• M1: 129,701 km (0.116 R)
• M2: 481,406 km (0.08 R)
• M3: 1,012,478 km (0.105 R)
• M4: 1,483,113 km (0.12 R)
• M5: 2,070,883 km (0.101 R)
• M6: 2,629,482 km (0.11 R)
• M7: 4,106,162 km (0.057 R)
• M8: 5,718,977 km (0.049 R)
• M9: 6,045,549 km (0.117 R)
• M10: 7,215,105 km (0.062 R)
• M11: 8,210,380 km (0.108 R)
• M12: 8,956,425 km (0.106 R)
• M13: 10,733,498 km (0.099 R)
• M14: 11,785,171 km (0.051 R)
• M15: 12,398,372 km (0.119 R)
• M16: 13,248,836 km (0.076 R)
• M17: 15,208,568 km (0.093 R)
• M18: 17,198,370 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.5

Radius: 14.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.09 AU - 3.33 AU

Year: 3901 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,503,876 km

• M1: 190,737 km (0.116 R)
• M2: 647,160 km (0.119 R)
• M3: 1,400,386 km (0.066 R)
• M4: 2,047,396 km (0.052 R)
• M5: 3,824,021 km (0.082 R)
• M6: 4,748,984 km (0.115 R)
• M7: 7,240,986 km (0.087 R)
• M8: 9,076,851 km (0.115 R)
• M9: 9,590,869 km (0.066 R)
• M10: 15,134,517 km (0.036 R)
• M11: 19,376,963 km (0.061 R)
• M12: 22,514,180 km (0.077 R)
• M13: 24,657,619 km (0.089 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: 220 - 17,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit