🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.06 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.58 AU - 2.64 AU

Year: 1399 Days

Day: 28.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,851,069 km

• M1: 218,862 km (0.082 R)
• M2: 268,977 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.2

Radius: 8.7

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.96 AU - 2.58 AU

Year: 1561 Days

Day: 8.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 161.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,851,069 km

• M1: 108,159 km (0.073 R)
• M2: 406,906 km (0.092 R)
• M3: 900,729 km (0.078 R)
• M4: 1,360,593 km (0.105 R)
• M5: 1,641,388 km (0.053 R)
• M6: 2,047,845 km (0.097 R)
• M7: 2,323,105 km (0.094 R)
• M8: 2,611,680 km (0.072 R)
• M9: 3,128,989 km (0.1 R)
• M10: 3,567,610 km (0.078 R)
• M11: 4,078,337 km (0.091 R)
• M12: 4,568,569 km (0.068 R)
• M13: 5,491,887 km (0.057 R)
• M14: 5,845,836 km (0.115 R)
• M15: 6,491,351 km (0.065 R)
• M16: 7,899,216 km (0.09 R)
• M17: 8,274,408 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.9

Radius: 14.1

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.05 AU - 5.11 AU

Year: 4475 Days

Day: 7.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,851,069 km

• M1: 175,329 km (0.092 R)
• M2: 624,422 km (0.028 R)
• M3: 2,033,185 km (0.107 R)
• M4: 2,690,518 km (0.096 R)
• M5: 3,436,113 km (0.107 R)
• M6: 4,641,274 km (0.11 R)
• M7: 7,874,533 km (0.094 R)
• M8: 9,202,513 km (0.037 R)
• M9: 12,462,550 km (0.115 R)
• M10: 13,002,149 km (0.113 R)
• M11: 14,442,178 km (0.089 R)
• M12: 15,318,224 km (0.094 R)
• M13: 16,327,411 km (0.033 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.6

Radius: 4.5

Gravity: 30.5 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.13 AU - 10.43 AU

Year: 13964 Days

Day: 20.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,851,069 km

• M1: 55,950 km (0.078 R)
• M2: 387,458 km (0.12 R)
• M3: 1,231,938 km (0.04 R)
• M4: 5,183,417 km (0.095 R)
• M5: 7,950,229 km (0.101 R)
• M6: 9,989,697 km (0.092 R)
• M7: 11,216,250 km (0.085 R)
• M8: 11,865,654 km (0.073 R)
• M9: 13,368,814 km (0.086 R)
• M10: 14,924,332 km (0.091 R)
• M11: 21,717,871 km (0.085 R)
• M12: 24,050,251 km (0.062 R)
• M13: 25,326,620 km (0.112 R)
• M14: 30,205,306 km (0.099 R)
• M15: 31,113,216 km (0.105 R)
• M16: 41,768,623 km (0.106 R)
• M17: 44,767,462 km (0.079 R)
• M18: 54,953,282 km (0.115 R)
• M19: 55,120,981 km (0.097 R)
• M20: 57,851,142 km (0.102 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 15,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit