🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.43 AU - 0.67 AU

Year: 144 Days

Day: 30.1 Hours

Environment

Temp: 267 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.2

Radius: 9

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.87 AU - 11.29 AU

Year: 10470 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 96,330,734 km

• M1: 111,899 km (0.076 R)
• M2: 413,339 km (0.12 R)
• M3: 1,013,376 km (0.084 R)
• M4: 1,860,100 km (0.119 R)
• M5: 2,248,606 km (0.1 R)
• M6: 3,166,089 km (0.103 R)
• M7: 3,776,897 km (0.088 R)
• M8: 5,368,918 km (0.101 R)
• M9: 7,799,883 km (0.084 R)
• M10: 8,577,194 km (0.08 R)
• M11: 9,009,233 km (0.103 R)
• M12: 9,405,368 km (0.12 R)
• M13: 11,737,150 km (0.045 R)
• M14: 12,330,156 km (0.116 R)
• M15: 13,256,915 km (0.115 R)
• M16: 14,031,233 km (0.088 R)
• M17: 15,388,235 km (0.052 R)
• M18: 16,462,049 km (0.119 R)
• M19: 21,086,418 km (0.071 R)
• M20: 27,633,270 km (0.084 R)
• M21: 29,975,823 km (0.069 R)
• M22: 30,526,194 km (0.036 R)
• M23: 39,609,926 km (0.084 R)
• M24: 45,408,489 km (0.034 R)
• M25: 47,311,823 km (0.119 R)
• M26: 49,726,631 km (0.099 R)
• M27: 51,590,920 km (0.112 R)
• M28: 53,340,318 km (0.105 R)

Planet 3 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.2

Radius: 3.8

Gravity: 29.52 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 16.49 AU - 16.99 AU

Year: 24184 Days

Day: 17.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 96,330,734 km

• M1: 65,673 km (0.074 R)
• M2: 236,664 km (0.099 R)
• M3: 428,747 km (0.057 R)
• M4: 663,616 km (0.078 R)
• M5: 1,028,037 km (0.083 R)
• M6: 1,198,578 km (0.094 R)
• M7: 1,465,461 km (0.031 R)
• M8: 1,977,534 km (0.092 R)
• M9: 2,507,111 km (0.115 R)
• M10: 2,671,070 km (0.112 R)
• M11: 6,941,940 km (0.056 R)
• M12: 7,893,980 km (0.097 R)
• M13: 8,297,895 km (0.119 R)
• M14: 11,078,770 km (0.107 R)
• M15: 11,584,859 km (0.113 R)
• M16: 12,239,051 km (0.117 R)
• M17: 13,195,729 km (0.067 R)
• M18: 14,497,679 km (0.031 R)
• M19: 16,444,396 km (0.072 R)
• M20: 16,607,308 km (0.099 R)
• M21: 21,617,491 km (0.074 R)
• M22: 22,808,140 km (0.078 R)
• M23: 23,010,845 km (0.095 R)
• M24: 33,553,755 km (0.107 R)
• M25: 38,770,383 km (0.112 R)
• M26: 46,585,675 km (0.089 R)
• M27: 54,118,974 km (0.115 R)
• M28: 54,660,220 km (0.031 R)
• M29: 61,636,268 km (0.107 R)
• M30: 63,618,589 km (0.095 R)
• M31: 66,878,027 km (0.085 R)
• M32: 71,106,561 km (0.075 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.5

Radius: 6.6

Gravity: 17.64 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 14.79 AU - 21.15 AU

Year: 26898 Days

Day: 21.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 96,330,734 km

• M1: 83,027 km (0.113 R)
• M2: 514,467 km (0.101 R)
• M3: 840,590 km (0.109 R)
• M4: 2,429,469 km (0.114 R)
• M5: 3,119,116 km (0.051 R)
• M6: 4,498,258 km (0.059 R)
• M7: 6,911,721 km (0.063 R)
• M8: 9,088,669 km (0.101 R)
• M9: 11,267,562 km (0.086 R)
• M10: 12,924,807 km (0.076 R)
• M11: 14,249,646 km (0.078 R)
• M12: 16,447,388 km (0.1 R)
• M13: 17,258,059 km (0.113 R)
• M14: 19,749,163 km (0.117 R)
• M15: 20,561,479 km (0.118 R)
• M16: 21,395,936 km (0.11 R)
• M17: 22,910,016 km (0.036 R)
• M18: 26,150,007 km (0.049 R)
• M19: 31,153,906 km (0.053 R)
• M20: 36,912,377 km (0.058 R)
• M21: 37,987,986 km (0.08 R)
• M22: 39,880,249 km (0.059 R)
• M23: 40,363,001 km (0.086 R)
• M24: 44,194,203 km (0.118 R)
• M25: 44,884,298 km (0.119 R)
• M26: 47,356,403 km (0.097 R)
• M27: 48,079,110 km (0.031 R)
• M28: 54,917,079 km (0.089 R)
• M29: 56,925,580 km (0.089 R)
• M30: 58,982,401 km (0.081 R)
• M31: 64,782,460 km (0.069 R)
• M32: 68,163,372 km (0.095 R)
• M33: 75,519,548 km (0.053 R)
• M34: 84,705,606 km (0.091 R)
• M35: 91,504,978 km (0.047 R)
• M36: 94,039,166 km (0.088 R)

Kuiper Belt

Range: 31.1 - 60.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 18,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit