🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.4

Radius: 14.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.57 AU - 0.61 AU

Year: 302 Days

Day: 8.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,679,397 km

• M1: 176,675 km (0.092 R)
• M2: 688,599 km (0.059 R)
• M3: 1,176,587 km (0.083 R)
• M4: 1,659,489 km (0.108 R)
• M5: 2,439,792 km (0.116 R)
• M6: 2,949,322 km (0.073 R)
• M7: 3,508,369 km (0.12 R)
• M8: 4,077,739 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.1

Radius: 11.3

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.93 AU - 1.09 AU

Year: 677 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 121.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,679,397 km

• M1: 140,921 km (0.071 R)
• M2: 518,207 km (0.097 R)
• M3: 880,533 km (0.091 R)
• M4: 1,300,305 km (0.097 R)
• M5: 1,714,541 km (0.076 R)
• M6: 2,897,561 km (0.049 R)
• M7: 3,657,219 km (0.08 R)
• M8: 4,465,945 km (0.091 R)
• M9: 5,265,695 km (0.089 R)
• M10: 6,060,958 km (0.034 R)
• M11: 7,457,304 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.1

Radius: 12.2

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.11 AU - 1.23 AU

Year: 844 Days

Day: 6.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,679,397 km

• M1: 151,842 km (0.081 R)
• M2: 623,823 km (0.049 R)
• M3: 1,153,400 km (0.07 R)
• M4: 1,595,910 km (0.102 R)
• M5: 1,987,109 km (0.08 R)
• M6: 2,665,834 km (0.057 R)
• M7: 3,048,954 km (0.069 R)
• M8: 3,532,305 km (0.099 R)
• M9: 4,716,073 km (0.093 R)
• M10: 5,264,648 km (0.056 R)
• M11: 5,747,999 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.1

Radius: 14.5

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.34 AU - 1.4 AU

Year: 1069 Days

Day: 9.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,679,397 km

• M1: 180,864 km (0.105 R)
• M2: 645,365 km (0.109 R)
• M3: 1,324,689 km (0.114 R)
• M4: 2,228,559 km (0.113 R)
• M5: 3,106,101 km (0.117 R)
• M6: 4,004,735 km (0.105 R)
• M7: 4,843,530 km (0.046 R)
• M8: 5,490,840 km (0.094 R)
• M9: 5,993,788 km (0.099 R)
• M10: 6,806,404 km (0.079 R)
• M11: 7,411,079 km (0.071 R)
• M12: 8,273,061 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.7

Radius: 14.1

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.03 AU - 2.43 AU

Year: 2221 Days

Day: 8.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,679,397 km

• M1: 176,077 km (0.116 R)
• M2: 685,457 km (0.068 R)
• M3: 1,263,204 km (0.099 R)
• M4: 2,532,243 km (0.036 R)
• M5: 3,359,370 km (0.072 R)
• M6: 4,113,193 km (0.058 R)
• M7: 5,753,385 km (0.097 R)
• M8: 6,414,757 km (0.062 R)
• M9: 6,864,298 km (0.11 R)
• M10: 8,308,516 km (0.11 R)
• M11: 8,809,669 km (0.104 R)
• M12: 9,984,012 km (0.047 R)
• M13: 10,980,783 km (0.117 R)
• M14: 13,671,001 km (0.081 R)
• M15: 14,371,269 km (0.069 R)
• M16: 15,894,624 km (0.047 R)
• M17: 17,253,272 km (0.064 R)
• M18: 18,972,750 km (0.07 R)
• M19: 19,726,873 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.5

Radius: 11.3

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.24 AU - 3.54 AU

Year: 3276 Days

Day: 8 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,679,397 km

• M1: 182,509 km (0.041 R)
• M2: 744,100 km (0.1 R)
• M3: 2,482,427 km (0.094 R)
• M4: 2,987,619 km (0.099 R)
• M5: 3,577,035 km (0.118 R)
• M6: 6,442,283 km (0.098 R)
• M7: 7,001,779 km (0.118 R)
• M8: 9,124,872 km (0.083 R)
• M9: 9,963,667 km (0.088 R)
• M10: 12,671,987 km (0.11 R)
• M11: 13,106,868 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.6

Radius: 11

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.16 AU - 4.36 AU

Year: 5863 Days

Day: 8.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,679,397 km

• M1: 136,882 km (0.055 R)
• M2: 758,012 km (0.051 R)
• M3: 1,300,753 km (0.108 R)
• M4: 1,775,428 km (0.063 R)
• M5: 2,123,392 km (0.1 R)
• M6: 2,921,646 km (0.097 R)
• M7: 3,433,720 km (0.079 R)
• M8: 3,933,078 km (0.072 R)
• M9: 5,485,904 km (0.095 R)
• M10: 5,915,249 km (0.111 R)
• M11: 6,738,038 km (0.066 R)
• M12: 8,529,622 km (0.095 R)
• M13: 9,107,369 km (0.064 R)
• M14: 10,526,005 km (0.082 R)
• M15: 11,239,438 km (0.083 R)
• M16: 14,709,510 km (0.113 R)
• M17: 15,121,353 km (0.109 R)
• M18: 16,655,479 km (0.047 R)
• M19: 17,167,702 km (0.111 R)
• M20: 19,532,994 km (0.109 R)
• M21: 20,174,769 km (0.087 R)
• M22: 22,338,552 km (0.073 R)
• M23: 23,040,466 km (0.081 R)
• M24: 25,067,367 km (0.086 R)
• M25: 26,167,061 km (0.056 R)
• M26: 27,653,316 km (0.083 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 13,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit