🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.2

Radius: 12.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.49 AU - 0.71 AU

Year: 315 Days

Day: 10.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 67,664,282 km

• M1: 154,235 km (0.034 R)
• M2: 894,745 km (0.103 R)
• M3: 1,336,208 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.1

Radius: 8.7

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.66 AU - 0.88 AU

Year: 458 Days

Day: 14.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,664,282 km

• M1: 108,159 km (0.085 R)
• M2: 386,561 km (0.113 R)
• M3: 658,829 km (0.113 R)
• M4: 952,190 km (0.114 R)
• M5: 1,324,240 km (0.051 R)
• M6: 1,677,890 km (0.116 R)
• M7: 2,553,486 km (0.112 R)
• M8: 2,984,627 km (0.085 R)
• M9: 3,281,878 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.6

Radius: 8.6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.76 AU - 5.64 AU

Year: 6911 Days

Day: 8.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,664,282 km

• M1: 107,262 km (0.075 R)
• M2: 496,216 km (0.114 R)
• M3: 828,922 km (0.077 R)
• M4: 1,301,501 km (0.119 R)
• M5: 1,839,755 km (0.059 R)
• M6: 3,516,597 km (0.091 R)
• M7: 4,183,804 km (0.068 R)
• M8: 5,683,672 km (0.06 R)
• M9: 7,411,228 km (0.119 R)
• M10: 11,410,428 km (0.117 R)
• M11: 12,526,129 km (0.071 R)
• M12: 16,080,425 km (0.073 R)
• M13: 18,087,280 km (0.092 R)
• M14: 20,454,666 km (0.079 R)
• M15: 24,948,437 km (0.045 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.7

Radius: 6.9

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 9.22 AU - 11.92 AU

Year: 23308 Days

Day: 23.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,664,282 km

• M1: 85,869 km (0.103 R)
• M2: 300,542 km (0.045 R)
• M3: 586,872 km (0.119 R)
• M4: 1,522,158 km (0.04 R)
• M5: 2,258,928 km (0.116 R)
• M6: 2,695,305 km (0.092 R)
• M7: 3,186,435 km (0.117 R)
• M8: 4,002,641 km (0.062 R)
• M9: 4,743,449 km (0.105 R)
• M10: 5,056,857 km (0.07 R)
• M11: 6,968,568 km (0.077 R)
• M12: 7,795,395 km (0.115 R)
• M13: 9,316,357 km (0.087 R)
• M14: 10,550,689 km (0.11 R)
• M15: 12,469,581 km (0.082 R)
• M16: 13,476,823 km (0.066 R)
• M17: 18,051,377 km (0.073 R)
• M18: 20,049,107 km (0.086 R)
• M19: 21,428,549 km (0.108 R)
• M20: 22,479,623 km (0.06 R)
• M21: 24,069,101 km (0.088 R)
• M22: 25,520,050 km (0.116 R)
• M23: 26,375,002 km (0.086 R)
• M24: 31,420,938 km (0.078 R)
• M25: 36,266,413 km (0.025 R)
• M26: 38,308,873 km (0.116 R)
• M27: 40,139,801 km (0.085 R)
• M28: 48,048,443 km (0.098 R)
• M29: 49,186,434 km (0.113 R)
• M30: 49,514,950 km (0.119 R)
• M31: 56,574,474 km (0.093 R)
• M32: 60,813,928 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 13,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit