🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.42 AU - 0.6 AU

Year: 232 Days

Day: 33 Hours

Environment

Temp: -108 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.7 AU - 1.04 AU

Year: 516 Days

Day: 13.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,715,438 km

• M1: 117,285 km (0.116 R)
• M2: 416,780 km (0.075 R)
• M3: 702,960 km (0.074 R)
• M4: 1,044,941 km (0.059 R)
• M5: 1,479,972 km (0.103 R)
• M6: 2,087,040 km (0.09 R)
• M7: 2,560,068 km (0.038 R)
• M8: 3,593,341 km (0.028 R)
• M9: 4,313,655 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.7

Radius: 11.6

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.24 AU - 1.7 AU

Year: 1133 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,715,438 km

• M1: 144,212 km (0.068 R)
• M2: 527,332 km (0.08 R)
• M3: 1,559,857 km (0.084 R)
• M4: 2,004,013 km (0.11 R)
• M5: 2,461,633 km (0.107 R)
• M6: 3,559,831 km (0.093 R)
• M7: 4,236,911 km (0.113 R)
• M8: 4,771,723 km (0.099 R)
• M9: 5,762,959 km (0.098 R)
• M10: 7,782,380 km (0.101 R)
• M11: 8,285,628 km (0.068 R)
• M12: 9,475,230 km (0.067 R)
• M13: 10,111,170 km (0.098 R)
• M14: 11,101,957 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.6

Radius: 10.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.58 AU - 4.04 AU

Year: 3829 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 11,715,438 km

• M1: 131,796 km (0.117 R)
• M2: 976,276 km (0.052 R)
• M3: 1,346,231 km (0.109 R)
• M4: 2,019,122 km (0.087 R)
• M5: 2,578,618 km (0.111 R)
• M6: 3,007,216 km (0.031 R)
• M7: 3,516,597 km (0.047 R)
• M8: 3,917,669 km (0.09 R)
• M9: 5,241,610 km (0.119 R)
• M10: 5,626,526 km (0.081 R)
• M11: 6,054,525 km (0.098 R)
• M12: 7,248,166 km (0.038 R)
• M13: 7,959,504 km (0.045 R)
• M14: 8,530,669 km (0.102 R)
• M15: 9,454,885 km (0.049 R)
• M16: 10,729,458 km (0.092 R)
• M17: 11,389,484 km (0.028 R)
• M18: 12,790,319 km (0.038 R)
• M19: 13,914,098 km (0.12 R)
• M20: 14,610,476 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.2

Radius: 14.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.31 AU - 3.67 AU

Year: 4145 Days

Day: 9.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 11,715,438 km

• M1: 304,731 km (0.1 R)
• M2: 1,134,401 km (0.092 R)
• M3: 2,601,806 km (0.106 R)
• M4: 3,250,612 km (0.079 R)
• M5: 3,940,258 km (0.078 R)
• M6: 6,542,663 km (0.097 R)
• M7: 7,468,075 km (0.059 R)
• M8: 10,741,127 km (0.062 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: 421 - 20,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit