🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43

Radius: 11

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.43 AU - 0.71 AU

Year: 287 Days

Day: 8.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,552,636 km

• M1: 138,827 km (0.054 R)
• M2: 529,726 km (0.112 R)
• M3: 1,131,558 km (0.117 R)
• M4: 1,641,687 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.5

Radius: 8.5

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.55 AU - 0.65 AU

Year: 310 Days

Day: 14 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,552,636 km

• M1: 105,766 km (0.084 R)
• M2: 1,014,722 km (0.091 R)
• M3: 1,301,352 km (0.117 R)
• M4: 1,572,274 km (0.079 R)
• M5: 1,845,739 km (0.112 R)
• M6: 2,438,744 km (0.109 R)
• M7: 3,581,971 km (0.112 R)
• M8: 4,234,368 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.1

Radius: 10.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.57 AU - 0.87 AU

Year: 407 Days

Day: 5 Hours

Environment

Temp: -157 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,552,636 km

• M1: 130,599 km (0.078 R)
• M2: 457,769 km (0.079 R)
• M3: 792,570 km (0.111 R)
• M4: 1,240,316 km (0.098 R)
• M5: 1,605,784 km (0.102 R)
• M6: 2,262,219 km (0.078 R)
• M7: 2,965,778 km (0.057 R)
• M8: 3,631,189 km (0.118 R)
• M9: 3,980,949 km (0.103 R)
• M10: 4,500,652 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.2

Radius: 13.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.98 AU - 1.34 AU

Year: 833 Days

Day: 9.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,552,636 km

• M1: 167,849 km (0.051 R)
• M2: 780,003 km (0.113 R)
• M3: 1,259,165 km (0.072 R)
• M4: 2,313,381 km (0.042 R)
• M5: 3,919,165 km (0.059 R)
• M6: 4,665,509 km (0.085 R)
• M7: 5,627,423 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.4

Radius: 13.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.98 AU - 2.34 AU

Year: 2117 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,552,636 km

• M1: 165,455 km (0.086 R)
• M2: 627,862 km (0.097 R)
• M3: 1,406,070 km (0.073 R)
• M4: 1,915,152 km (0.116 R)
• M5: 2,337,916 km (0.117 R)
• M6: 3,254,801 km (0.084 R)
• M7: 4,161,663 km (0.045 R)
• M8: 5,209,596 km (0.107 R)
• M9: 5,818,609 km (0.085 R)
• M10: 6,499,130 km (0.097 R)
• M11: 7,714,463 km (0.08 R)
• M12: 8,713,926 km (0.105 R)
• M13: 9,637,992 km (0.118 R)
• M14: 11,717,253 km (0.079 R)
• M15: 12,271,364 km (0.085 R)
• M16: 13,273,221 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.9

Radius: 9.8

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.07 AU - 2.59 AU

Year: 2372 Days

Day: 8.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,552,636 km

• M1: 121,922 km (0.098 R)
• M2: 436,377 km (0.048 R)
• M3: 766,390 km (0.093 R)
• M4: 1,183,469 km (0.116 R)
• M5: 1,660,536 km (0.072 R)
• M6: 3,515,400 km (0.08 R)
• M7: 3,841,075 km (0.12 R)
• M8: 4,688,248 km (0.078 R)
• M9: 5,204,809 km (0.079 R)
• M10: 6,023,409 km (0.05 R)
• M11: 7,786,569 km (0.088 R)
• M12: 8,376,733 km (0.104 R)
• M13: 10,173,403 km (0.092 R)
• M14: 11,243,926 km (0.116 R)
• M15: 12,387,751 km (0.083 R)
• M16: 13,468,147 km (0.115 R)
• M17: 15,104,598 km (0.09 R)
• M18: 15,661,251 km (0.117 R)
• M19: 16,022,680 km (0.109 R)
• M20: 16,869,553 km (0.107 R)
• M21: 17,579,395 km (0.102 R)
• M22: 18,537,570 km (0.098 R)
• M23: 20,374,033 km (0.105 R)
• M24: 20,681,158 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.8

Radius: 10.4

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.38 AU - 5.56 AU

Year: 8531 Days

Day: 13.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 52.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,552,636 km

• M1: 129,552 km (0.086 R)
• M2: 660,624 km (0.063 R)
• M3: 1,758,373 km (0.086 R)
• M4: 2,798,228 km (0.036 R)
• M5: 4,280,294 km (0.054 R)
• M6: 7,380,710 km (0.069 R)
• M7: 15,753,853 km (0.088 R)
• M8: 18,006,497 km (0.045 R)
• M9: 19,484,375 km (0.067 R)
• M10: 22,074,662 km (0.065 R)
• M11: 26,041,399 km (0.114 R)
• M12: 27,231,899 km (0.109 R)
• M13: 28,192,467 km (0.048 R)
• M14: 31,209,856 km (0.058 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: 514 - 19,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit