🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.8

Radius: 10.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.63 AU - 0.97 AU

Year: 462 Days

Day: 5.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,106,117 km

• M1: 134,339 km (0.118 R)
• M2: 477,666 km (0.069 R)
• M3: 966,552 km (0.1 R)
• M4: 1,384,379 km (0.083 R)
• M5: 2,000,273 km (0.093 R)
• M6: 2,341,506 km (0.115 R)
• M7: 2,811,094 km (0.104 R)
• M8: 3,309,105 km (0.099 R)
• M9: 3,966,139 km (0.11 R)
• M10: 4,566,625 km (0.104 R)
• M11: 5,044,739 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.2

Radius: 9.5

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.7 AU - 0.92 AU

Year: 471 Days

Day: 7.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,106,117 km

• M1: 118,482 km (0.088 R)
• M2: 419,173 km (0.092 R)
• M3: 731,234 km (0.088 R)
• M4: 1,074,711 km (0.084 R)
• M5: 1,373,009 km (0.087 R)
• M6: 1,860,998 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.1

Radius: 8.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.79 AU - 0.87 AU

Year: 488 Days

Day: 7.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,106,117 km

• M1: 110,702 km (0.117 R)
• M2: 392,844 km (0.059 R)
• M3: 672,742 km (0.117 R)
• M4: 1,080,097 km (0.067 R)
• M5: 1,379,741 km (0.066 R)
• M6: 1,687,913 km (0.066 R)
• M7: 2,168,720 km (0.081 R)
• M8: 2,844,005 km (0.079 R)
• M9: 3,209,772 km (0.082 R)
• M10: 3,734,561 km (0.084 R)
• M11: 4,061,283 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.8

Radius: 13.2

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.1 AU - 1.26 AU

Year: 828 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,106,117 km

• M1: 164,109 km (0.117 R)
• M2: 635,492 km (0.092 R)
• M3: 1,048,531 km (0.061 R)
• M4: 1,496,428 km (0.117 R)
• M5: 2,346,443 km (0.057 R)
• M6: 3,135,272 km (0.077 R)
• M7: 3,644,354 km (0.117 R)
• M8: 4,651,895 km (0.112 R)
• M9: 5,088,871 km (0.09 R)
• M10: 5,982,718 km (0.058 R)
• M11: 6,434,653 km (0.096 R)
• M12: 8,160,265 km (0.098 R)
• M13: 9,614,954 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.5

Radius: 8.3

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.42 AU - 1.66 AU

Year: 1234 Days

Day: 7.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,106,117 km

• M1: 103,821 km (0.083 R)
• M2: 414,835 km (0.097 R)
• M3: 785,090 km (0.045 R)
• M4: 1,504,356 km (0.111 R)
• M5: 1,898,098 km (0.078 R)
• M6: 2,359,458 km (0.057 R)
• M7: 2,627,836 km (0.12 R)
• M8: 3,021,727 km (0.113 R)
• M9: 3,665,896 km (0.097 R)
• M10: 3,956,415 km (0.101 R)
• M11: 4,710,987 km (0.117 R)
• M12: 5,038,456 km (0.104 R)
• M13: 6,724,873 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.5

Radius: 9.8

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.45 AU - 2.71 AU

Year: 2676 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,106,117 km

• M1: 122,521 km (0.092 R)
• M2: 523,892 km (0.08 R)
• M3: 875,148 km (0.117 R)
• M4: 1,447,958 km (0.062 R)
• M5: 1,862,344 km (0.1 R)
• M6: 2,751,853 km (0.064 R)
• M7: 3,902,410 km (0.056 R)
• M8: 4,261,894 km (0.105 R)
• M9: 4,620,330 km (0.119 R)
• M10: 5,171,150 km (0.102 R)
• M11: 6,204,572 km (0.056 R)
• M12: 6,519,625 km (0.111 R)
• M13: 7,370,238 km (0.095 R)
• M14: 8,570,462 km (0.097 R)
• M15: 9,107,369 km (0.08 R)
• M16: 10,447,317 km (0.099 R)
• M17: 12,179,062 km (0.055 R)
• M18: 12,811,861 km (0.116 R)
• M19: 15,149,328 km (0.086 R)
• M20: 15,512,402 km (0.099 R)
• M21: 21,033,461 km (0.071 R)
• M22: 22,476,631 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.7

Radius: 9.6

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.4 AU - 2.82 AU

Year: 2723 Days

Day: 9.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 150.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,106,117 km

• M1: 119,379 km (0.11 R)
• M2: 456,872 km (0.115 R)
• M3: 778,657 km (0.056 R)
• M4: 1,138,589 km (0.078 R)
• M5: 1,928,466 km (0.105 R)
• M6: 2,500,977 km (0.111 R)
• M7: 3,014,247 km (0.061 R)
• M8: 3,806,368 km (0.106 R)
• M9: 4,487,039 km (0.053 R)
• M10: 5,903,730 km (0.047 R)
• M11: 7,350,940 km (0.091 R)
• M12: 8,371,946 km (0.115 R)
• M13: 11,131,877 km (0.116 R)
• M14: 11,665,343 km (0.082 R)
• M15: 15,940,252 km (0.118 R)
• M16: 19,939,003 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 11.9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.12 AU - 5.78 AU

Year: 8215 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,106,117 km

• M1: 147,952 km (0.066 R)
• M2: 543,639 km (0.089 R)
• M3: 1,032,525 km (0.079 R)
• M4: 2,032,736 km (0.104 R)
• M5: 3,451,522 km (0.083 R)
• M6: 5,944,870 km (0.108 R)
• M7: 6,581,858 km (0.101 R)
• M8: 6,955,104 km (0.084 R)
• M9: 7,501,436 km (0.065 R)
• M10: 8,076,340 km (0.111 R)
• M11: 9,738,223 km (0.041 R)
• M12: 11,617,471 km (0.087 R)
• M13: 13,428,204 km (0.12 R)
• M14: 14,401,039 km (0.065 R)
• M15: 16,283,279 km (0.115 R)
• M16: 18,033,126 km (0.103 R)
• M17: 19,520,877 km (0.053 R)
• M18: 20,768,672 km (0.1 R)
• M19: 23,944,486 km (0.05 R)
• M20: 25,739,660 km (0.059 R)
• M21: 26,953,647 km (0.115 R)
• M22: 28,499,741 km (0.085 R)
• M23: 33,492,420 km (0.097 R)
• M24: 36,658,958 km (0.106 R)
• M25: 37,836,593 km (0.119 R)
• M26: 43,319,654 km (0.103 R)
• M27: 43,711,750 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 18,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit