🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.39 AU - 0.65 AU

Year: 143 Days

Day: 17 Hours

Environment

Temp: 155 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 13.2

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.56 AU - 5.36 AU

Year: 3587 Days

Day: 5 Hours

Environment

Temp: -135 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,281,883 km

• M1: 164,109 km (0.097 R)
• M2: 856,597 km (0.03 R)
• M3: 2,015,083 km (0.117 R)
• M4: 3,538,139 km (0.101 R)
• M5: 5,566,986 km (0.08 R)
• M6: 7,366,349 km (0.043 R)
• M7: 8,250,173 km (0.06 R)
• M8: 8,888,208 km (0.084 R)
• M9: 11,476,849 km (0.114 R)
• M10: 11,927,289 km (0.072 R)
• M11: 12,625,163 km (0.097 R)
• M12: 13,806,687 km (0.042 R)
• M13: 14,663,583 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.6

Radius: 14.4

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.62 AU - 10.52 AU

Year: 9554 Days

Day: 5.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,281,883 km

• M1: 179,517 km (0.06 R)
• M2: 854,353 km (0.098 R)
• M3: 2,193,554 km (0.106 R)
• M4: 2,745,121 km (0.089 R)
• M5: 4,028,072 km (0.117 R)
• M6: 4,601,780 km (0.12 R)
• M7: 7,150,479 km (0.104 R)
• M8: 7,625,751 km (0.033 R)
• M9: 9,133,848 km (0.088 R)
• M10: 10,527,651 km (0.114 R)
• M11: 11,039,874 km (0.051 R)
• M12: 12,059,234 km (0.1 R)
• M13: 12,677,372 km (0.117 R)
• M14: 14,161,533 km (0.057 R)
• M15: 15,891,483 km (0.052 R)
• M16: 19,537,332 km (0.084 R)
• M17: 25,220,406 km (0.068 R)
• M18: 26,326,383 km (0.109 R)
• M19: 28,932,827 km (0.031 R)
• M20: 34,766,545 km (0.073 R)
• M21: 35,790,543 km (0.12 R)
• M22: 37,069,156 km (0.114 R)
• M23: 38,983,111 km (0.103 R)
• M24: 42,489,685 km (0.056 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.2

Radius: 3.4

Gravity: 38.69 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 14.04 AU - 20.5 AU

Year: 27330 Days

Day: 16.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,281,883 km

• M1: 42,336 km (0.03 R)
• M2: 333,304 km (0.096 R)
• M3: 626,366 km (0.071 R)
• M4: 1,165,367 km (0.074 R)
• M5: 1,554,172 km (0.103 R)
• M6: 2,302,162 km (0.111 R)
• M7: 2,581,461 km (0.118 R)
• M8: 2,882,901 km (0.085 R)
• M9: 3,096,526 km (0.078 R)
• M10: 3,292,051 km (0.099 R)
• M11: 3,495,653 km (0.106 R)
• M12: 4,190,835 km (0.116 R)
• M13: 4,787,581 km (0.079 R)
• M14: 5,439,079 km (0.082 R)
• M15: 5,600,495 km (0.107 R)
• M16: 6,278,623 km (0.109 R)
• M17: 12,552,458 km (0.061 R)
• M18: 14,617,208 km (0.105 R)
• M19: 15,326,152 km (0.092 R)
• M20: 18,032,378 km (0.046 R)
• M21: 18,664,130 km (0.036 R)
• M22: 23,825,555 km (0.066 R)
• M23: 25,250,026 km (0.109 R)
• M24: 28,996,106 km (0.106 R)
• M25: 65,810,347 km (0.104 R)
• M26: 67,303,484 km (0.118 R)
• M27: 77,680,639 km (0.103 R)
• M28: 79,347,758 km (0.106 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 18,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit