🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.2

Radius: 13.5

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.71 AU - 0.73 AU

Year: 401 Days

Day: 13.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 18,051,885 km

• M1: 167,849 km (0.073 R)
• M2: 752,776 km (0.09 R)
• M3: 1,337,854 km (0.051 R)
• M4: 2,158,996 km (0.03 R)
• M5: 3,102,660 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.1

Radius: 10.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.94 AU - 0.98 AU

Year: 617 Days

Day: 8.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,051,885 km

• M1: 125,961 km (0.114 R)
• M2: 449,392 km (0.108 R)
• M3: 891,454 km (0.084 R)
• M4: 1,374,206 km (0.101 R)
• M5: 1,822,102 km (0.094 R)
• M6: 2,195,498 km (0.11 R)
• M7: 2,994,650 km (0.119 R)
• M8: 3,815,942 km (0.041 R)
• M9: 4,168,395 km (0.076 R)
• M10: 4,997,766 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.2

Radius: 14

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.21 AU - 1.31 AU

Year: 928 Days

Day: 13.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,051,885 km

• M1: 174,132 km (0.106 R)
• M2: 679,474 km (0.068 R)
• M3: 1,454,989 km (0.115 R)
• M4: 2,059,364 km (0.095 R)
• M5: 2,612,577 km (0.088 R)
• M6: 3,080,669 km (0.092 R)
• M7: 3,630,292 km (0.091 R)
• M8: 4,174,977 km (0.118 R)
• M9: 4,667,902 km (0.107 R)
• M10: 5,281,403 km (0.098 R)
• M11: 6,037,770 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.5

Radius: 13.9

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.21 AU - 2.01 AU

Year: 1340 Days

Day: 7.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,051,885 km

• M1: 172,935 km (0.108 R)
• M2: 613,650 km (0.11 R)
• M3: 1,127,519 km (0.093 R)
• M4: 1,956,591 km (0.042 R)
• M5: 2,538,526 km (0.116 R)
• M6: 3,715,413 km (0.113 R)
• M7: 4,295,553 km (0.05 R)
• M8: 4,954,981 km (0.05 R)
• M9: 5,660,185 km (0.033 R)
• M10: 6,137,103 km (0.062 R)
• M11: 7,122,654 km (0.118 R)
• M12: 9,289,429 km (0.102 R)
• M13: 9,893,655 km (0.09 R)
• M14: 10,427,720 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.8

Radius: 9.1

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.42 AU - 2.14 AU

Year: 1558 Days

Day: 7.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,051,885 km

• M1: 113,096 km (0.03 R)
• M2: 448,794 km (0.065 R)
• M3: 741,407 km (0.117 R)
• M4: 1,284,447 km (0.108 R)
• M5: 1,650,065 km (0.066 R)
• M6: 2,923,442 km (0.106 R)
• M7: 3,363,559 km (0.092 R)
• M8: 4,756,763 km (0.09 R)
• M9: 6,091,924 km (0.053 R)
• M10: 6,588,141 km (0.061 R)
• M11: 7,064,460 km (0.082 R)
• M12: 8,188,389 km (0.099 R)
• M13: 8,820,141 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.2

Radius: 11.4

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.41 AU - 3.43 AU

Year: 4149 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 18,051,885 km

• M1: 141,819 km (0.061 R)
• M2: 717,471 km (0.089 R)
• M3: 1,503,608 km (0.03 R)
• M4: 1,885,681 km (0.08 R)
• M5: 2,298,721 km (0.106 R)
• M6: 5,690,254 km (0.087 R)
• M7: 10,318,214 km (0.101 R)
• M8: 10,673,509 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.9

Radius: 8.7

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.05 AU - 4.45 AU

Year: 4764 Days

Day: 10.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 18,051,885 km

• M1: 108,159 km (0.118 R)
• M2: 477,516 km (0.119 R)
• M3: 965,654 km (0.062 R)
• M4: 1,419,983 km (0.084 R)
• M5: 1,786,049 km (0.104 R)
• M6: 2,104,692 km (0.037 R)
• M7: 2,476,294 km (0.068 R)
• M8: 3,223,685 km (0.045 R)
• M9: 3,660,062 km (0.084 R)
• M10: 4,200,259 km (0.037 R)
• M11: 4,512,620 km (0.078 R)
• M12: 4,912,944 km (0.108 R)
• M13: 5,597,055 km (0.095 R)
• M14: 6,488,508 km (0.114 R)
• M15: 7,439,502 km (0.108 R)
• M16: 7,765,326 km (0.106 R)
• M17: 8,410,691 km (0.061 R)
• M18: 9,808,085 km (0.102 R)
• M19: 10,932,463 km (0.1 R)
• M20: 12,776,855 km (0.11 R)
• M21: 13,292,220 km (0.092 R)
• M22: 13,870,266 km (0.077 R)
• M23: 17,127,161 km (0.09 R)
• M24: 20,162,651 km (0.097 R)
• M25: 21,840,092 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 13.2

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.79 AU - 3.79 AU

Year: 4840 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,051,885 km

• M1: 164,109 km (0.109 R)
• M2: 586,124 km (0.097 R)
• M3: 1,128,267 km (0.099 R)
• M4: 2,031,240 km (0.097 R)
• M5: 3,263,926 km (0.088 R)
• M6: 4,244,690 km (0.062 R)
• M7: 4,827,972 km (0.105 R)
• M8: 6,786,059 km (0.077 R)
• M9: 7,714,463 km (0.088 R)
• M10: 8,938,473 km (0.093 R)
• M11: 10,288,145 km (0.074 R)
• M12: 13,767,941 km (0.112 R)
• M13: 14,448,761 km (0.118 R)
• M14: 14,948,866 km (0.066 R)
• M15: 18,956,593 km (0.026 R)
• M16: 20,479,649 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.9

Radius: 13.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.44 AU - 5.64 AU

Year: 7423 Days

Day: 14.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 126.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,051,885 km

• M1: 172,935 km (0.074 R)
• M2: 750,832 km (0.117 R)
• M3: 1,406,818 km (0.091 R)
• M4: 2,027,350 km (0.104 R)
• M5: 4,348,361 km (0.079 R)
• M6: 5,227,249 km (0.095 R)
• M7: 5,867,827 km (0.117 R)
• M8: 6,474,596 km (0.053 R)
• M9: 9,891,561 km (0.057 R)
• M10: 10,713,003 km (0.088 R)
• M11: 12,943,357 km (0.095 R)
• M12: 15,161,146 km (0.048 R)
• M13: 16,575,145 km (0.119 R)
• M14: 19,846,850 km (0.065 R)
• M15: 21,090,308 km (0.05 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.4

Radius: 13.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.26 AU - 5.58 AU

Year: 8278 Days

Day: 13.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,051,885 km

• M1: 175,329 km (0.062 R)
• M2: 621,430 km (0.09 R)
• M3: 1,191,996 km (0.105 R)
• M4: 2,433,509 km (0.076 R)
• M5: 4,230,029 km (0.088 R)
• M6: 4,663,863 km (0.069 R)
• M7: 5,549,333 km (0.08 R)
• M8: 6,304,503 km (0.058 R)
• M9: 7,242,332 km (0.102 R)
• M10: 9,429,752 km (0.05 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: 363 - 13,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit