🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.44 AU - 0.7 AU

Year: 278 Days

Day: 39.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.2

Radius: 10.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.8 AU - 0.98 AU

Year: 542 Days

Day: 5.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,156,205 km

• M1: 125,812 km (0.094 R)
• M2: 645,964 km (0.076 R)
• M3: 1,037,760 km (0.106 R)
• M4: 1,445,415 km (0.112 R)
• M5: 2,161,839 km (0.043 R)
• M6: 2,827,998 km (0.097 R)
• M7: 3,637,323 km (0.082 R)
• M8: 4,432,435 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 8.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.73 AU - 3.73 AU

Year: 3748 Days

Day: 5.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,156,205 km

• M1: 100,679 km (0.093 R)
• M2: 362,775 km (0.116 R)
• M3: 819,946 km (0.073 R)
• M4: 1,225,356 km (0.074 R)
• M5: 1,629,270 km (0.075 R)
• M6: 1,982,621 km (0.054 R)
• M7: 2,442,335 km (0.029 R)
• M8: 2,923,442 km (0.077 R)
• M9: 4,383,218 km (0.075 R)
• M10: 5,001,356 km (0.104 R)
• M11: 6,383,640 km (0.089 R)
• M12: 9,272,375 km (0.086 R)
• M13: 13,557,307 km (0.109 R)
• M14: 14,435,596 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.9

Radius: 3

Gravity: 82.77 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 9.43 AU - 11.03 AU

Year: 21127 Days

Day: 22.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,156,205 km

• M1: 37,399 km (0.079 R)
• M2: 131,197 km (0.063 R)
• M3: 279,598 km (0.042 R)
• M4: 428,897 km (0.082 R)
• M5: 567,724 km (0.095 R)
• M6: 788,530 km (0.102 R)
• M7: 1,050,327 km (0.027 R)
• M8: 1,463,067 km (0.067 R)
• M9: 1,687,763 km (0.09 R)
• M10: 1,856,510 km (0.075 R)
• M11: 2,477,341 km (0.065 R)
• M12: 2,925,985 km (0.075 R)
• M13: 4,014,459 km (0.114 R)
• M14: 4,523,690 km (0.082 R)
• M15: 4,738,961 km (0.074 R)
• M16: 5,036,661 km (0.099 R)
• M17: 5,919,438 km (0.073 R)
• M18: 7,137,464 km (0.052 R)
• M19: 8,459,311 km (0.117 R)
• M20: 15,378,512 km (0.053 R)
• M21: 18,359,399 km (0.072 R)
• M22: 19,746,769 km (0.074 R)
• M23: 24,217,053 km (0.057 R)
• M24: 28,826,014 km (0.078 R)
• M25: 30,950,004 km (0.083 R)
• M26: 37,796,949 km (0.098 R)
• M27: 38,237,066 km (0.048 R)
• M28: 40,489,412 km (0.116 R)
• M29: 42,987,696 km (0.057 R)
• M30: 49,328,851 km (0.047 R)
• M31: 54,008,870 km (0.104 R)
• M32: 59,172,989 km (0.076 R)
• M33: 66,770,317 km (0.093 R)
• M34: 70,468,825 km (0.058 R)
• M35: 75,454,623 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 12,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit