🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.3

Radius: 8.6

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.74 AU - 1.18 AU

Year: 598 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,418,906 km

• M1: 106,962 km (0.1 R)
• M2: 445,203 km (0.09 R)
• M3: 725,849 km (0.071 R)
• M4: 1,481,917 km (0.105 R)
• M5: 1,795,025 km (0.085 R)
• M6: 2,379,205 km (0.058 R)
• M7: 2,755,443 km (0.067 R)
• M8: 3,196,009 km (0.068 R)
• M9: 3,966,288 km (0.073 R)
• M10: 4,955,729 km (0.032 R)
• M11: 5,248,940 km (0.057 R)
• M12: 6,101,349 km (0.108 R)
• M13: 6,622,249 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.1

Radius: 9.2

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.88 AU - 1.16 AU

Year: 655 Days

Day: 8.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,418,906 km

• M1: 114,442 km (0.099 R)
• M2: 414,536 km (0.063 R)
• M3: 789,877 km (0.119 R)
• M4: 1,136,645 km (0.075 R)
• M5: 1,813,276 km (0.107 R)
• M6: 2,296,926 km (0.11 R)
• M7: 2,680,644 km (0.118 R)
• M8: 3,119,415 km (0.055 R)
• M9: 3,429,082 km (0.04 R)
• M10: 3,947,140 km (0.069 R)
• M11: 4,326,221 km (0.027 R)
• M12: 4,646,659 km (0.072 R)
• M13: 5,175,039 km (0.107 R)
• M14: 5,518,366 km (0.095 R)
• M15: 6,012,787 km (0.065 R)
• M16: 6,515,885 km (0.117 R)
• M17: 7,068,499 km (0.097 R)
• M18: 8,098,630 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.9

Radius: 9.4

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.04 AU - 1.32 AU

Year: 815 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,418,906 km

• M1: 116,986 km (0.085 R)
• M2: 1,538,913 km (0.113 R)
• M3: 1,941,930 km (0.102 R)
• M4: 3,132,579 km (0.092 R)
• M5: 3,617,576 km (0.065 R)
• M6: 5,411,553 km (0.097 R)
• M7: 5,771,635 km (0.118 R)
• M8: 6,092,972 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.8

Radius: 14

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.83 AU - 2.09 AU

Year: 1745 Days

Day: 6.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,418,906 km

• M1: 179,368 km (0.118 R)
• M2: 898,485 km (0.046 R)
• M3: 1,510,639 km (0.111 R)
• M4: 2,181,436 km (0.08 R)
• M5: 2,790,898 km (0.056 R)
• M6: 3,620,867 km (0.107 R)
• M7: 6,103,294 km (0.11 R)
• M8: 6,540,269 km (0.115 R)
• M9: 8,033,256 km (0.104 R)
• M10: 8,903,616 km (0.118 R)
• M11: 9,867,176 km (0.106 R)
• M12: 10,899,102 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.8

Radius: 14.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.96 AU - 2.16 AU

Year: 1880 Days

Day: 7.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,418,906 km

• M1: 180,565 km (0.041 R)
• M2: 651,798 km (0.085 R)
• M3: 1,256,473 km (0.086 R)
• M4: 1,796,820 km (0.1 R)
• M5: 3,073,488 km (0.096 R)
• M6: 3,526,321 km (0.081 R)
• M7: 4,490,778 km (0.063 R)
• M8: 5,512,233 km (0.107 R)
• M9: 6,837,819 km (0.094 R)
• M10: 7,673,473 km (0.038 R)
• M11: 8,131,093 km (0.097 R)
• M12: 8,882,523 km (0.109 R)
• M13: 11,126,641 km (0.114 R)
• M14: 13,031,919 km (0.053 R)
• M15: 13,977,976 km (0.031 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.2

Radius: 5.4

Gravity: 15.85 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.8 AU - 8.34 AU

Year: 11953 Days

Day: 19.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,418,906 km

• M1: 84,074 km (0.109 R)
• M2: 329,415 km (0.032 R)
• M3: 832,811 km (0.087 R)
• M4: 1,421,928 km (0.082 R)
• M5: 1,909,168 km (0.058 R)
• M6: 4,094,943 km (0.114 R)
• M7: 4,520,997 km (0.064 R)
• M8: 4,821,240 km (0.027 R)
• M9: 14,480,027 km (0.086 R)
• M10: 15,532,597 km (0.105 R)
• M11: 17,715,380 km (0.083 R)
• M12: 23,202,929 km (0.118 R)
• M13: 29,516,707 km (0.107 R)
• M14: 32,841,520 km (0.075 R)
• M15: 35,463,821 km (0.107 R)
• M16: 38,468,793 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.6

Radius: 5.8

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.06 AU - 7.86 AU

Year: 12955 Days

Day: 21.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,418,906 km

• M1: 72,106 km (0.086 R)
• M2: 279,150 km (0.06 R)
• M3: 541,993 km (0.114 R)
• M4: 1,056,011 km (0.079 R)
• M5: 2,285,855 km (0.111 R)
• M6: 3,607,253 km (0.045 R)
• M7: 3,977,658 km (0.111 R)
• M8: 5,476,329 km (0.051 R)
• M9: 6,163,731 km (0.08 R)
• M10: 6,602,801 km (0.097 R)
• M11: 8,218,159 km (0.108 R)
• M12: 9,117,093 km (0.076 R)
• M13: 9,456,231 km (0.107 R)
• M14: 10,606,639 km (0.094 R)
• M15: 10,855,719 km (0.026 R)
• M16: 11,539,381 km (0.109 R)
• M17: 11,847,254 km (0.094 R)
• M18: 12,991,977 km (0.094 R)
• M19: 13,909,909 km (0.116 R)
• M20: 17,148,703 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 13,651 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit