🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 13

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.57 AU - 0.89 AU

Year: 416 Days

Day: 11.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,162,363 km

• M1: 161,715 km (0.059 R)
• M2: 578,046 km (0.101 R)
• M3: 1,108,071 km (0.11 R)
• M4: 1,520,513 km (0.083 R)
• M5: 2,274,187 km (0.058 R)
• M6: 2,709,965 km (0.083 R)
• M7: 3,492,213 km (0.085 R)
• M8: 3,931,133 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.4

Radius: 10.7

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.62 AU - 3.3 AU

Year: 3396 Days

Day: 15 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,162,363 km

• M1: 133,890 km (0.104 R)
• M2: 471,832 km (0.109 R)
• M3: 840,890 km (0.088 R)
• M4: 1,861,147 km (0.077 R)
• M5: 3,053,741 km (0.095 R)
• M6: 4,722,206 km (0.102 R)
• M7: 5,305,788 km (0.104 R)
• M8: 5,795,422 km (0.082 R)
• M9: 6,465,022 km (0.112 R)
• M10: 7,414,818 km (0.118 R)
• M11: 9,511,732 km (0.106 R)
• M12: 10,867,238 km (0.034 R)
• M13: 12,300,535 km (0.114 R)
• M14: 13,014,267 km (0.067 R)
• M15: 13,755,375 km (0.077 R)
• M16: 14,420,188 km (0.1 R)
• M17: 16,373,337 km (0.116 R)
• M18: 16,830,209 km (0.112 R)
• M19: 18,558,214 km (0.074 R)
• M20: 20,599,028 km (0.052 R)
• M21: 21,266,235 km (0.117 R)
• M22: 22,573,870 km (0.03 R)
• M23: 22,926,622 km (0.062 R)
• M24: 23,426,877 km (0.12 R)
• M25: 23,934,313 km (0.112 R)
• M26: 24,597,480 km (0.07 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404

Radius: 6.1

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.9 AU - 6.88 AU

Year: 9532 Days

Day: 21.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,162,363 km

• M1: 76,594 km (0.113 R)
• M2: 280,496 km (0.107 R)
• M3: 619,784 km (0.065 R)
• M4: 832,213 km (0.085 R)
• M5: 1,114,654 km (0.087 R)
• M6: 1,337,255 km (0.057 R)
• M7: 1,685,370 km (0.071 R)
• M8: 2,191,310 km (0.11 R)
• M9: 2,525,661 km (0.075 R)
• M10: 4,136,082 km (0.059 R)
• M11: 5,634,753 km (0.115 R)
• M12: 6,718,889 km (0.061 R)
• M13: 7,084,506 km (0.108 R)
• M14: 9,562,745 km (0.105 R)
• M15: 13,177,179 km (0.086 R)
• M16: 13,808,183 km (0.109 R)
• M17: 15,758,490 km (0.081 R)
• M18: 24,791,958 km (0.102 R)
• M19: 26,197,280 km (0.116 R)
• M20: 32,557,433 km (0.112 R)
• M21: 35,322,002 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.6

Radius: 5.8

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.29 AU - 7.93 AU

Year: 13999 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,162,363 km

• M1: 72,106 km (0.09 R)
• M2: 313,856 km (0.107 R)
• M3: 665,860 km (0.057 R)
• M4: 2,256,833 km (0.086 R)
• M5: 2,671,519 km (0.045 R)
• M6: 4,821,689 km (0.091 R)
• M7: 7,828,756 km (0.052 R)
• M8: 8,589,012 km (0.098 R)
• M9: 10,048,938 km (0.085 R)
• M10: 16,598,931 km (0.108 R)
• M11: 20,700,755 km (0.067 R)
• M12: 24,862,418 km (0.052 R)
• M13: 27,088,434 km (0.094 R)
• M14: 39,973,897 km (0.098 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: 257 - 11,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit