🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.9

Radius: 12.6

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.78 AU - 0.78 AU

Year: 476 Days

Day: 14.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,465,035 km

• M1: 156,629 km (0.084 R)
• M2: 577,149 km (0.048 R)
• M3: 1,080,845 km (0.06 R)
• M4: 1,547,740 km (0.078 R)
• M5: 1,982,022 km (0.081 R)
• M6: 2,596,121 km (0.049 R)
• M7: 3,073,787 km (0.12 R)
• M8: 3,713,169 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.3

Radius: 13.2

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.37 AU - 3.47 AU

Year: 3444 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,465,035 km

• M1: 164,109 km (0.111 R)
• M2: 611,107 km (0.1 R)
• M3: 1,217,577 km (0.106 R)
• M4: 1,796,222 km (0.086 R)
• M5: 2,285,706 km (0.109 R)
• M6: 3,253,754 km (0.112 R)
• M7: 4,666,406 km (0.11 R)
• M8: 5,235,776 km (0.037 R)
• M9: 6,604,746 km (0.116 R)
• M10: 7,227,522 km (0.072 R)
• M11: 7,653,128 km (0.041 R)
• M12: 8,483,246 km (0.112 R)
• M13: 10,991,853 km (0.119 R)
• M14: 11,424,341 km (0.027 R)
• M15: 12,094,389 km (0.104 R)
• M16: 13,220,861 km (0.049 R)
• M17: 16,231,369 km (0.115 R)
• M18: 18,923,532 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.8

Radius: 8.2

Gravity: 13.5 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.77 AU - 4.19 AU

Year: 4481 Days

Day: 11.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,465,035 km

• M1: 102,026 km (0.086 R)
• M2: 466,147 km (0.076 R)
• M3: 776,563 km (0.056 R)
• M4: 1,257,221 km (0.093 R)
• M5: 1,855,612 km (0.111 R)
• M6: 2,460,885 km (0.11 R)
• M7: 3,717,208 km (0.103 R)
• M8: 4,036,001 km (0.096 R)
• M9: 4,472,827 km (0.109 R)
• M10: 5,049,078 km (0.117 R)
• M11: 6,128,576 km (0.057 R)
• M12: 6,706,323 km (0.078 R)
• M13: 7,249,812 km (0.053 R)
• M14: 10,687,272 km (0.089 R)
• M15: 11,958,106 km (0.058 R)
• M16: 13,644,523 km (0.055 R)
• M17: 14,130,716 km (0.025 R)
• M18: 15,080,662 km (0.08 R)
• M19: 18,576,615 km (0.104 R)
• M20: 19,375,916 km (0.108 R)
• M21: 22,428,760 km (0.094 R)
• M22: 23,411,468 km (0.052 R)
• M23: 26,950,505 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.4

Radius: 12.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.99 AU - 4.43 AU

Year: 4933 Days

Day: 12.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,465,035 km

• M1: 160,369 km (0.085 R)
• M2: 686,804 km (0.083 R)
• M3: 1,191,846 km (0.083 R)
• M4: 1,652,907 km (0.059 R)
• M5: 2,506,213 km (0.068 R)
• M6: 3,792,306 km (0.109 R)
• M7: 5,608,424 km (0.087 R)
• M8: 6,634,666 km (0.062 R)
• M9: 8,283,533 km (0.118 R)
• M10: 10,073,621 km (0.031 R)
• M11: 10,548,894 km (0.044 R)
• M12: 11,802,674 km (0.099 R)
• M13: 12,465,841 km (0.113 R)
• M14: 15,630,434 km (0.118 R)
• M15: 17,483,054 km (0.04 R)
• M16: 18,054,668 km (0.118 R)
• M17: 18,816,570 km (0.088 R)
• M18: 19,477,792 km (0.088 R)
• M19: 21,554,959 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.7

Radius: 12.5

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.7 AU - 3.74 AU

Year: 4953 Days

Day: 8.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,465,035 km

• M1: 155,432 km (0.116 R)
• M2: 639,680 km (0.054 R)
• M3: 1,629,420 km (0.112 R)
• M4: 2,614,223 km (0.038 R)
• M5: 4,575,301 km (0.113 R)
• M6: 5,036,661 km (0.074 R)
• M7: 5,472,739 km (0.092 R)
• M8: 5,904,329 km (0.04 R)
• M9: 6,421,189 km (0.112 R)
• M10: 6,968,119 km (0.114 R)
• M11: 7,511,010 km (0.079 R)
• M12: 10,355,613 km (0.079 R)
• M13: 11,246,020 km (0.117 R)
• M14: 17,632,203 km (0.079 R)
• M15: 20,848,109 km (0.109 R)
• M16: 21,763,049 km (0.065 R)
• M17: 22,851,673 km (0.114 R)
• M18: 23,522,021 km (0.049 R)
• M19: 24,590,898 km (0.113 R)
• M20: 27,238,481 km (0.116 R)
• M21: 28,246,621 km (0.04 R)
• M22: 29,018,845 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.5

Radius: 13.3

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.8 AU - 5.3 AU

Year: 7833 Days

Day: 12.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,465,035 km

• M1: 165,455 km (0.117 R)
• M2: 686,205 km (0.116 R)
• M3: 1,643,033 km (0.078 R)
• M4: 2,204,773 km (0.076 R)
• M5: 2,778,631 km (0.088 R)
• M6: 3,495,354 km (0.055 R)
• M7: 5,298,906 km (0.11 R)
• M8: 7,211,365 km (0.108 R)
• M9: 8,985,147 km (0.069 R)
• M10: 12,298,740 km (0.073 R)
• M11: 13,267,536 km (0.026 R)
• M12: 15,296,233 km (0.114 R)
• M13: 18,335,762 km (0.036 R)
• M14: 18,750,747 km (0.066 R)
• M15: 20,771,365 km (0.057 R)
• M16: 23,904,393 km (0.047 R)
• M17: 25,326,620 km (0.093 R)
• M18: 26,015,219 km (0.098 R)
• M19: 27,250,150 km (0.07 R)
• M20: 28,339,372 km (0.073 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 11,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit