🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.3

Radius: 8.4

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.68 AU - 0.72 AU

Year: 378 Days

Day: 6.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,010,786 km

• M1: 104,419 km (0.081 R)
• M2: 433,385 km (0.112 R)
• M3: 735,872 km (0.086 R)
• M4: 1,017,864 km (0.095 R)
• M5: 1,443,769 km (0.109 R)
• M6: 1,904,381 km (0.092 R)
• M7: 2,187,121 km (0.092 R)
• M8: 2,828,297 km (0.1 R)
• M9: 3,164,743 km (0.115 R)
• M10: 3,726,034 km (0.068 R)
• M11: 4,757,362 km (0.107 R)
• M12: 5,093,209 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.8

Radius: 11.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.49 AU - 1.55 AU

Year: 1210 Days

Day: 10.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 60.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,010,786 km

• M1: 138,378 km (0.1 R)
• M2: 782,696 km (0.099 R)
• M3: 1,764,058 km (0.116 R)
• M4: 2,382,645 km (0.105 R)
• M5: 2,801,819 km (0.094 R)
• M6: 3,358,023 km (0.118 R)
• M7: 4,070,558 km (0.071 R)
• M8: 5,458,677 km (0.059 R)
• M9: 6,260,970 km (0.109 R)
• M10: 7,290,054 km (0.074 R)
• M11: 8,317,791 km (0.032 R)
• M12: 10,988,712 km (0.111 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.1

Radius: 6.5

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.01 AU - 9.35 AU

Year: 13742 Days

Day: 16.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 45,010,786 km

• M1: 80,783 km (0.11 R)
• M2: 408,701 km (0.093 R)
• M3: 786,586 km (0.117 R)
• M4: 1,175,241 km (0.056 R)
• M5: 1,534,575 km (0.077 R)
• M6: 2,088,985 km (0.116 R)
• M7: 2,813,188 km (0.078 R)
• M8: 3,041,474 km (0.111 R)
• M9: 4,681,815 km (0.03 R)
• M10: 5,374,154 km (0.108 R)
• M11: 5,909,116 km (0.085 R)
• M12: 6,400,844 km (0.064 R)
• M13: 7,168,132 km (0.108 R)
• M14: 8,884,169 km (0.104 R)
• M15: 10,099,203 km (0.087 R)
• M16: 10,857,065 km (0.113 R)
• M17: 12,183,400 km (0.115 R)
• M18: 15,573,886 km (0.051 R)
• M19: 19,792,845 km (0.065 R)
• M20: 25,591,558 km (0.058 R)
• M21: 27,302,958 km (0.074 R)
• M22: 30,065,731 km (0.117 R)
• M23: 33,833,503 km (0.089 R)
• M24: 34,913,151 km (0.083 R)
• M25: 36,388,186 km (0.079 R)
• M26: 37,014,852 km (0.097 R)
• M27: 41,332,844 km (0.105 R)
• M28: 43,261,909 km (0.052 R)
• M29: 43,823,948 km (0.111 R)
• M30: 44,248,657 km (0.119 R)
• M31: 48,647,582 km (0.061 R)
• M32: 50,176,323 km (0.111 R)
• M33: 54,463,498 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.1

Radius: 7.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.67 AU - 13.71 AU

Year: 24169 Days

Day: 22.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,010,786 km

• M1: 192,981 km (0.104 R)
• M2: 445,951 km (0.113 R)
• M3: 976,126 km (0.088 R)
• M4: 1,536,520 km (0.116 R)
• M5: 2,595,972 km (0.08 R)
• M6: 3,142,752 km (0.103 R)
• M7: 3,613,836 km (0.098 R)
• M8: 4,579,340 km (0.103 R)
• M9: 5,507,146 km (0.092 R)
• M10: 8,323,476 km (0.109 R)
• M11: 15,301,917 km (0.097 R)
• M12: 15,565,359 km (0.039 R)
• M13: 31,122,191 km (0.098 R)
• M14: 34,053,263 km (0.056 R)
• M15: 36,573,538 km (0.098 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 14,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit