🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.4

Radius: 8.8

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.71 AU - 1.07 AU

Year: 569 Days

Day: 5.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,583,842 km

• M1: 109,506 km (0.089 R)
• M2: 422,764 km (0.076 R)
• M3: 999,314 km (0.057 R)
• M4: 1,437,636 km (0.108 R)
• M5: 1,759,570 km (0.103 R)
• M6: 2,384,291 km (0.119 R)
• M7: 3,137,217 km (0.054 R)
• M8: 3,429,681 km (0.05 R)
• M9: 4,025,679 km (0.059 R)
• M10: 5,176,386 km (0.11 R)
• M11: 6,451,857 km (0.075 R)
• M12: 7,119,662 km (0.109 R)
• M13: 7,426,038 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119

Radius: 14.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.79 AU - 1.07 AU

Year: 608 Days

Day: 9.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,583,842 km

• M1: 182,809 km (0.047 R)
• M2: 707,299 km (0.04 R)
• M3: 1,442,572 km (0.088 R)
• M4: 1,966,913 km (0.099 R)
• M5: 2,628,285 km (0.116 R)
• M6: 3,363,259 km (0.104 R)
• M7: 4,030,915 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957

Radius: 11.5

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.91 AU - 1.11 AU

Year: 688 Days

Day: 12.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,583,842 km

• M1: 143,764 km (0.039 R)
• M2: 546,032 km (0.075 R)
• M3: 944,860 km (0.102 R)
• M4: 1,514,678 km (0.067 R)
• M5: 1,990,100 km (0.083 R)
• M6: 2,575,627 km (0.096 R)
• M7: 4,867,915 km (0.06 R)
• M8: 5,602,141 km (0.105 R)
• M9: 6,366,586 km (0.081 R)
• M10: 6,995,645 km (0.119 R)
• M11: 7,618,272 km (0.034 R)
• M12: 8,302,682 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.8

Radius: 8

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.46 AU - 2.42 AU

Year: 1833 Days

Day: 13.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,583,842 km

• M1: 99,632 km (0.063 R)
• M2: 367,562 km (0.084 R)
• M3: 663,467 km (0.089 R)
• M4: 1,122,732 km (0.056 R)
• M5: 1,701,377 km (0.11 R)
• M6: 1,970,204 km (0.102 R)
• M7: 2,291,540 km (0.069 R)
• M8: 2,568,446 km (0.117 R)
• M9: 3,025,916 km (0.104 R)
• M10: 3,282,177 km (0.106 R)
• M11: 4,418,672 km (0.097 R)
• M12: 4,710,089 km (0.094 R)
• M13: 5,160,528 km (0.11 R)
• M14: 5,775,076 km (0.089 R)
• M15: 6,388,577 km (0.058 R)
• M16: 7,097,073 km (0.109 R)
• M17: 7,828,905 km (0.057 R)
• M18: 8,140,967 km (0.086 R)
• M19: 9,221,213 km (0.036 R)
• M20: 10,092,022 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.4

Radius: 11.8

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.53 AU - 5.25 AU

Year: 6239 Days

Day: 8.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,583,842 km

• M1: 148,551 km (0.113 R)
• M2: 537,954 km (0.092 R)
• M3: 1,192,744 km (0.032 R)
• M4: 1,772,585 km (0.063 R)
• M5: 2,797,331 km (0.08 R)
• M6: 3,216,205 km (0.078 R)
• M7: 3,832,697 km (0.037 R)
• M8: 4,229,730 km (0.118 R)
• M9: 4,602,977 km (0.095 R)
• M10: 5,080,044 km (0.08 R)
• M11: 5,473,786 km (0.093 R)
• M12: 5,948,759 km (0.113 R)
• M13: 7,223,184 km (0.105 R)
• M14: 7,869,297 km (0.06 R)
• M15: 12,284,528 km (0.119 R)
• M16: 14,957,244 km (0.109 R)
• M17: 16,429,437 km (0.04 R)
• M18: 16,920,417 km (0.029 R)
• M19: 18,915,753 km (0.107 R)
• M20: 21,351,954 km (0.105 R)
• M21: 23,523,368 km (0.099 R)
• M22: 24,305,016 km (0.117 R)
• M23: 25,347,115 km (0.103 R)
• M24: 26,838,905 km (0.098 R)
• M25: 28,652,331 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.5

Radius: 12.5

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.5 AU - 6 AU

Year: 8159 Days

Day: 10.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,583,842 km

• M1: 155,432 km (0.116 R)
• M2: 607,966 km (0.056 R)
• M3: 1,103,733 km (0.109 R)
• M4: 2,166,476 km (0.119 R)
• M5: 3,891,938 km (0.08 R)
• M6: 4,830,665 km (0.047 R)
• M7: 6,299,267 km (0.057 R)
• M8: 7,083,459 km (0.054 R)
• M9: 11,367,493 km (0.087 R)
• M10: 13,113,151 km (0.068 R)
• M11: 14,738,083 km (0.086 R)
• M12: 16,243,486 km (0.109 R)
• M13: 17,194,480 km (0.081 R)
• M14: 20,707,337 km (0.116 R)
• M15: 21,149,848 km (0.068 R)
• M16: 23,697,500 km (0.05 R)
• M17: 26,529,686 km (0.119 R)
• M18: 29,302,184 km (0.079 R)
• M19: 31,674,656 km (0.069 R)
• M20: 32,559,229 km (0.082 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 17,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit