🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.1

Radius: 8.3

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.49 AU - 0.75 AU

Year: 326 Days

Day: 12.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,112,942 km

• M1: 103,223 km (0.051 R)
• M2: 361,728 km (0.066 R)
• M3: 793,916 km (0.088 R)
• M4: 1,057,807 km (0.105 R)
• M5: 1,426,565 km (0.094 R)
• M6: 1,798,017 km (0.034 R)
• M7: 2,683,487 km (0.088 R)
• M8: 2,978,045 km (0.051 R)
• M9: 3,263,627 km (0.09 R)
• M10: 3,743,388 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.2

Radius: 8.4

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.24 AU - 1.64 AU

Year: 1152 Days

Day: 8.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,112,942 km

• M1: 104,868 km (0.055 R)
• M2: 372,050 km (0.081 R)
• M3: 1,327,980 km (0.074 R)
• M4: 1,607,579 km (0.078 R)
• M5: 1,897,649 km (0.088 R)
• M6: 2,180,389 km (0.113 R)
• M7: 2,468,066 km (0.049 R)
• M8: 2,921,646 km (0.112 R)
• M9: 3,286,964 km (0.108 R)
• M10: 4,192,181 km (0.057 R)
• M11: 4,604,622 km (0.111 R)
• M12: 5,471,093 km (0.067 R)
• M13: 5,901,038 km (0.098 R)
• M14: 6,509,153 km (0.104 R)
• M15: 8,776,608 km (0.091 R)
• M16: 9,082,386 km (0.117 R)
• M17: 9,833,367 km (0.068 R)

Asteroid Belt

Center: 1.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.4

Radius: 9.9

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.88 AU - 2.66 AU

Year: 2281 Days

Day: 11.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,112,942 km

• M1: 123,119 km (0.12 R)
• M2: 592,856 km (0.103 R)
• M3: 986,149 km (0.116 R)
• M4: 1,724,115 km (0.106 R)
• M5: 2,164,681 km (0.116 R)
• M6: 2,499,332 km (0.061 R)
• M7: 2,868,689 km (0.109 R)
• M8: 3,423,547 km (0.119 R)
• M9: 3,826,265 km (0.111 R)
• M10: 4,299,592 km (0.111 R)
• M11: 4,769,330 km (0.089 R)
• M12: 5,273,026 km (0.079 R)
• M13: 5,860,347 km (0.085 R)
• M14: 6,516,932 km (0.06 R)
• M15: 7,362,908 km (0.119 R)
• M16: 7,768,169 km (0.073 R)
• M17: 8,249,724 km (0.097 R)
• M18: 8,944,157 km (0.114 R)
• M19: 9,372,456 km (0.045 R)
• M20: 10,630,425 km (0.106 R)
• M21: 11,224,478 km (0.119 R)
• M22: 12,519,247 km (0.086 R)
• M23: 13,650,507 km (0.104 R)
• M24: 14,486,609 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.1

Radius: 11.8

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.45 AU - 3.57 AU

Year: 3482 Days

Day: 9.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,112,942 km

• M1: 153,338 km (0.069 R)
• M2: 609,611 km (0.117 R)
• M3: 1,012,030 km (0.096 R)
• M4: 1,953,150 km (0.105 R)
• M5: 2,472,703 km (0.119 R)
• M6: 2,843,257 km (0.095 R)
• M7: 3,442,845 km (0.111 R)
• M8: 3,888,497 km (0.055 R)
• M9: 6,752,698 km (0.119 R)
• M10: 9,746,152 km (0.063 R)
• M11: 10,113,564 km (0.119 R)
• M12: 18,418,041 km (0.119 R)
• M13: 19,094,672 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.1

Radius: 13.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.98 AU - 3.1 AU

Year: 3535 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,112,942 km

• M1: 171,589 km (0.109 R)
• M2: 694,134 km (0.108 R)
• M3: 1,220,120 km (0.053 R)
• M4: 1,990,848 km (0.1 R)
• M5: 2,677,503 km (0.087 R)
• M6: 3,769,118 km (0.119 R)
• M7: 4,395,185 km (0.117 R)
• M8: 5,362,934 km (0.067 R)
• M9: 5,992,592 km (0.113 R)
• M10: 6,789,200 km (0.104 R)
• M11: 8,182,555 km (0.12 R)
• M12: 10,579,412 km (0.035 R)
• M13: 12,224,240 km (0.09 R)
• M14: 12,717,764 km (0.114 R)
• M15: 14,376,954 km (0.109 R)
• M16: 16,122,911 km (0.099 R)
• M17: 16,826,469 km (0.105 R)
• M18: 17,550,523 km (0.065 R)
• M19: 18,704,970 km (0.096 R)
• M20: 20,156,368 km (0.085 R)
• M21: 20,656,474 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338

Radius: 8.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.9 AU - 4.22 AU

Year: 4479 Days

Day: 14.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,112,942 km

• M1: 113,994 km (0.096 R)
• M2: 417,079 km (0.086 R)
• M3: 851,810 km (0.059 R)
• M4: 1,262,606 km (0.08 R)
• M5: 1,754,783 km (0.118 R)
• M6: 2,579,067 km (0.086 R)
• M7: 3,941,904 km (0.106 R)
• M8: 4,369,155 km (0.117 R)
• M9: 5,392,554 km (0.089 R)
• M10: 5,678,436 km (0.074 R)
• M11: 6,656,058 km (0.094 R)
• M12: 7,906,098 km (0.11 R)
• M13: 8,762,994 km (0.073 R)
• M14: 9,756,324 km (0.065 R)
• M15: 16,194,269 km (0.115 R)
• M16: 17,123,122 km (0.09 R)
• M17: 18,377,350 km (0.09 R)
• M18: 20,812,953 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.1

Radius: 9.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.14 AU - 5 AU

Year: 6515 Days

Day: 11.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 108.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,112,942 km

• M1: 114,592 km (0.087 R)
• M2: 455,675 km (0.11 R)
• M3: 809,773 km (0.108 R)
• M4: 1,300,305 km (0.07 R)
• M5: 1,666,819 km (0.082 R)
• M6: 2,157,949 km (0.048 R)
• M7: 2,627,836 km (0.055 R)
• M8: 3,509,117 km (0.043 R)
• M9: 4,273,562 km (0.106 R)
• M10: 4,891,701 km (0.057 R)
• M11: 5,460,322 km (0.059 R)
• M12: 6,072,327 km (0.116 R)
• M13: 6,575,874 km (0.068 R)
• M14: 7,236,199 km (0.087 R)
• M15: 9,839,202 km (0.04 R)
• M16: 10,409,618 km (0.099 R)
• M17: 10,915,857 km (0.101 R)
• M18: 18,828,687 km (0.068 R)
• M19: 21,751,231 km (0.097 R)
• M20: 23,570,940 km (0.109 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 14,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit