🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 13.6

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.14 AU - 1.66 AU

Year: 1124 Days

Day: 12.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,359,036 km

• M1: 171,290 km (0.102 R)
• M2: 829,969 km (0.117 R)
• M3: 1,702,723 km (0.062 R)
• M4: 2,522,071 km (0.102 R)
• M5: 3,867,105 km (0.065 R)
• M6: 5,370,564 km (0.115 R)
• M7: 5,823,696 km (0.11 R)
• M8: 6,321,258 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17

Radius: 10.9

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.53 AU - 3.57 AU

Year: 3613 Days

Day: 6.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 89,359,036 km

• M1: 135,536 km (0.115 R)
• M2: 1,286,691 km (0.082 R)
• M3: 3,165,341 km (0.107 R)
• M4: 4,098,982 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.5

Radius: 14

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.89 AU - 4.69 AU

Year: 5004 Days

Day: 8.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,359,036 km

• M1: 174,132 km (0.087 R)
• M2: 645,066 km (0.11 R)
• M3: 1,213,388 km (0.051 R)
• M4: 1,820,307 km (0.111 R)
• M5: 2,727,768 km (0.116 R)
• M6: 3,618,772 km (0.077 R)
• M7: 4,977,121 km (0.08 R)
• M8: 5,948,011 km (0.078 R)
• M9: 6,401,143 km (0.072 R)
• M10: 7,141,354 km (0.106 R)
• M11: 9,342,836 km (0.103 R)
• M12: 9,957,384 km (0.093 R)
• M13: 13,548,481 km (0.114 R)
• M14: 14,230,198 km (0.115 R)
• M15: 16,649,345 km (0.076 R)
• M16: 19,860,314 km (0.106 R)
• M17: 20,399,016 km (0.107 R)
• M18: 26,904,878 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.1

Radius: 6.5

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.3 AU - 10.28 AU

Year: 17676 Days

Day: 24.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,359,036 km

• M1: 81,680 km (0.066 R)
• M2: 300,841 km (0.095 R)
• M3: 520,750 km (0.103 R)
• M4: 776,263 km (0.074 R)
• M5: 1,475,484 km (0.089 R)
• M6: 2,129,974 km (0.112 R)
• M7: 5,681,278 km (0.086 R)
• M8: 6,256,333 km (0.047 R)
• M9: 6,701,985 km (0.07 R)
• M10: 8,898,680 km (0.1 R)
• M11: 11,004,868 km (0.117 R)
• M12: 13,488,342 km (0.057 R)
• M13: 15,579,721 km (0.084 R)
• M14: 17,010,774 km (0.11 R)
• M15: 18,038,960 km (0.073 R)
• M16: 20,922,908 km (0.032 R)
• M17: 25,701,213 km (0.075 R)
• M18: 29,224,243 km (0.1 R)
• M19: 30,581,246 km (0.114 R)
• M20: 34,404,518 km (0.119 R)
• M21: 37,604,417 km (0.117 R)
• M22: 37,868,756 km (0.093 R)
• M23: 38,803,294 km (0.115 R)
• M24: 43,854,167 km (0.112 R)
• M25: 48,696,949 km (0.086 R)
• M26: 52,719,486 km (0.101 R)
• M27: 56,437,741 km (0.096 R)
• M28: 56,958,043 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.2

Radius: 6

Gravity: 22.06 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 8.21 AU - 13.13 AU

Year: 23639 Days

Day: 16.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 89,359,036 km

• M1: 74,649 km (0.114 R)
• M2: 433,535 km (0.066 R)
• M3: 736,620 km (0.058 R)
• M4: 1,012,478 km (0.102 R)
• M5: 1,537,717 km (0.12 R)
• M6: 1,851,573 km (0.072 R)
• M7: 2,734,499 km (0.072 R)
• M8: 3,371,487 km (0.097 R)
• M9: 3,869,947 km (0.087 R)
• M10: 4,416,279 km (0.071 R)
• M11: 4,973,830 km (0.112 R)
• M12: 5,370,863 km (0.09 R)
• M13: 6,094,168 km (0.079 R)
• M14: 9,344,332 km (0.102 R)
• M15: 11,035,536 km (0.115 R)
• M16: 17,949,501 km (0.115 R)
• M17: 19,553,489 km (0.056 R)
• M18: 25,743,550 km (0.106 R)
• M19: 26,928,066 km (0.106 R)
• M20: 29,277,949 km (0.081 R)
• M21: 30,177,182 km (0.116 R)
• M22: 30,962,421 km (0.045 R)
• M23: 31,761,274 km (0.087 R)
• M24: 32,710,322 km (0.03 R)
• M25: 36,549,004 km (0.078 R)
• M26: 37,741,448 km (0.049 R)
• M27: 58,061,477 km (0.06 R)
• M28: 63,869,913 km (0.096 R)
• M29: 64,729,951 km (0.118 R)
• M30: 72,123,078 km (0.22 R)
• M31: 76,383,326 km (0.113 R)
• M32: 81,059,157 km (0.05 R)
• M33: 83,339,029 km (0.189 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 14,563 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit