🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.6

Radius: 11.5

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.55 AU - 0.57 AU

Year: 279 Days

Day: 5.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,009,412 km

• M1: 143,016 km (0.049 R)
• M2: 574,306 km (0.04 R)
• M3: 985,401 km (0.093 R)
• M4: 2,114,716 km (0.112 R)
• M5: 2,508,457 km (0.111 R)
• M6: 2,968,770 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.4

Radius: 13.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.44 AU - 0.72 AU

Year: 295 Days

Day: 11.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,009,412 km

• M1: 162,912 km (0.08 R)
• M2: 640,129 km (0.072 R)
• M3: 1,141,133 km (0.078 R)
• M4: 1,651,860 km (0.111 R)
• M5: 2,135,510 km (0.08 R)
• M6: 2,592,082 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.3

Radius: 13.6

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.54 AU - 0.8 AU

Year: 366 Days

Day: 11.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 24,009,412 km

• M1: 169,195 km (0.039 R)
• M2: 677,080 km (0.092 R)
• M3: 1,836,463 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765

Radius: 9.1

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.78 AU - 0.96 AU

Year: 541 Days

Day: 5.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,009,412 km

• M1: 113,096 km (0.11 R)
• M2: 423,811 km (0.078 R)
• M3: 709,543 km (0.062 R)
• M4: 1,009,486 km (0.03 R)
• M5: 1,297,163 km (0.114 R)
• M6: 1,663,678 km (0.069 R)
• M7: 1,965,866 km (0.08 R)
• M8: 2,759,333 km (0.084 R)
• M9: 3,078,874 km (0.062 R)
• M10: 3,565,216 km (0.119 R)
• M11: 4,116,634 km (0.081 R)
• M12: 4,458,765 km (0.078 R)
• M13: 5,320,149 km (0.042 R)
• M14: 5,836,262 km (0.103 R)
• M15: 6,346,540 km (0.115 R)
• M16: 6,865,794 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.9

Radius: 13.4

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.9 AU - 2.96 AU

Year: 2526 Days

Day: 10.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,009,412 km

• M1: 166,652 km (0.042 R)
• M2: 621,280 km (0.116 R)
• M3: 1,049,878 km (0.112 R)
• M4: 1,950,008 km (0.089 R)
• M5: 2,500,828 km (0.05 R)
• M6: 3,377,022 km (0.086 R)
• M7: 4,560,042 km (0.092 R)
• M8: 5,648,816 km (0.113 R)
• M9: 6,419,095 km (0.069 R)
• M10: 7,004,172 km (0.11 R)
• M11: 8,394,535 km (0.11 R)
• M12: 8,975,872 km (0.087 R)
• M13: 9,398,636 km (0.09 R)
• M14: 11,121,555 km (0.072 R)
• M15: 11,751,960 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.9

Radius: 8.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.14 AU - 3.1 AU

Year: 2828 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,009,412 km

• M1: 102,026 km (0.046 R)
• M2: 466,596 km (0.111 R)
• M3: 759,957 km (0.1 R)
• M4: 1,178,981 km (0.092 R)
• M5: 1,527,394 km (0.091 R)
• M6: 2,722,532 km (0.062 R)
• M7: 3,562,075 km (0.033 R)
• M8: 4,410,295 km (0.111 R)
• M9: 5,005,096 km (0.118 R)
• M10: 6,650,673 km (0.049 R)
• M11: 7,987,030 km (0.103 R)
• M12: 8,688,345 km (0.093 R)
• M13: 9,784,000 km (0.03 R)
• M14: 10,794,085 km (0.087 R)
• M15: 11,946,437 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.1

Radius: 11.5

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.52 AU - 3.9 AU

Year: 4765 Days

Day: 13.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,009,412 km

• M1: 143,016 km (0.083 R)
• M2: 867,817 km (0.092 R)
• M3: 1,391,559 km (0.081 R)
• M4: 2,134,762 km (0.113 R)
• M5: 2,749,609 km (0.057 R)
• M6: 3,308,955 km (0.048 R)
• M7: 4,222,998 km (0.075 R)
• M8: 4,703,955 km (0.076 R)
• M9: 5,401,979 km (0.119 R)
• M10: 6,370,177 km (0.089 R)
• M11: 7,847,755 km (0.103 R)
• M12: 8,224,442 km (0.118 R)
• M13: 8,866,815 km (0.048 R)
• M14: 9,313,515 km (0.087 R)
• M15: 10,744,418 km (0.113 R)
• M16: 11,512,454 km (0.08 R)
• M17: 13,015,464 km (0.116 R)
• M18: 13,740,265 km (0.067 R)
• M19: 15,323,310 km (0.072 R)
• M20: 17,483,653 km (0.068 R)
• M21: 17,950,697 km (0.086 R)
• M22: 19,464,179 km (0.074 R)
• M23: 22,743,663 km (0.045 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: 265 - 16,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit