🌌 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: 196

Radius: 11.5

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.63 AU - 0.97 AU

Year: 455 Days

Day: 6.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,129,898 km

• M1: 143,165 km (0.1 R)
• M2: 546,032 km (0.073 R)
• M3: 981,661 km (0.072 R)
• M4: 1,463,217 km (0.098 R)
• M5: 3,146,492 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.9

Radius: 14.6

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.7 AU - 1.16 AU

Year: 570 Days

Day: 13.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,129,898 km

• M1: 181,612 km (0.098 R)
• M2: 679,474 km (0.076 R)
• M3: 1,137,243 km (0.087 R)
• M4: 1,952,402 km (0.103 R)
• M5: 2,615,270 km (0.116 R)
• M6: 3,169,829 km (0.072 R)
• M7: 3,762,536 km (0.086 R)
• M8: 4,295,404 km (0.04 R)
• M9: 4,846,522 km (0.112 R)
• M10: 5,619,794 km (0.075 R)
• M11: 6,377,208 km (0.059 R)
• M12: 6,851,582 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.6

Radius: 11.7

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.93 AU - 2.45 AU

Year: 2061 Days

Day: 12.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,129,898 km

• M1: 145,559 km (0.091 R)
• M2: 636,240 km (0.027 R)
• M3: 1,126,622 km (0.086 R)
• M4: 1,514,678 km (0.065 R)
• M5: 3,390,935 km (0.109 R)
• M6: 5,123,727 km (0.082 R)
• M7: 5,956,389 km (0.115 R)
• M8: 6,621,202 km (0.037 R)
• M9: 7,359,467 km (0.089 R)
• M10: 7,761,437 km (0.104 R)
• M11: 8,125,259 km (0.093 R)
• M12: 8,859,336 km (0.094 R)
• M13: 9,696,485 km (0.073 R)
• M14: 10,088,581 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.5

Radius: 8.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.04 AU - 2.37 AU

Year: 2075 Days

Day: 5.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,129,898 km

• M1: 107,112 km (0.082 R)
• M2: 462,706 km (0.116 R)
• M3: 796,160 km (0.105 R)
• M4: 1,244,505 km (0.074 R)
• M5: 2,483,025 km (0.058 R)
• M6: 3,082,614 km (0.06 R)
• M7: 3,512,109 km (0.082 R)
• M8: 5,445,362 km (0.099 R)
• M9: 7,212,413 km (0.052 R)
• M10: 7,831,897 km (0.072 R)
• M11: 9,207,749 km (0.092 R)
• M12: 9,936,739 km (0.109 R)
• M13: 10,332,127 km (0.073 R)
• M14: 11,762,581 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.8

Radius: 11.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.83 AU - 2.87 AU

Year: 3059 Days

Day: 7.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,129,898 km

• M1: 139,425 km (0.066 R)
• M2: 921,822 km (0.113 R)
• M3: 1,886,878 km (0.074 R)
• M4: 2,374,118 km (0.115 R)
• M5: 3,784,228 km (0.082 R)
• M6: 5,451,047 km (0.067 R)
• M7: 8,305,674 km (0.088 R)
• M8: 8,917,978 km (0.101 R)
• M9: 9,342,686 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383

Radius: 7.1

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.13 AU - 10.59 AU

Year: 19686 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,129,898 km

• M1: 88,263 km (0.107 R)
• M2: 637,736 km (0.115 R)
• M3: 1,598,902 km (0.09 R)
• M4: 1,915,601 km (0.099 R)
• M5: 2,835,927 km (0.103 R)
• M6: 3,486,977 km (0.038 R)
• M7: 3,993,066 km (0.095 R)
• M8: 12,873,645 km (0.107 R)
• M9: 19,052,336 km (0.108 R)
• M10: 20,701,653 km (0.057 R)
• M11: 25,288,473 km (0.087 R)
• M12: 26,956,489 km (0.086 R)
• M13: 31,681,239 km (0.103 R)
• M14: 35,888,529 km (0.098 R)
• M15: 39,759,224 km (0.117 R)
• M16: 53,527,614 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.8

Radius: 6.8

Gravity: 16.78 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.8 AU - 11.34 AU

Year: 21850 Days

Day: 24.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,129,898 km

• M1: 84,822 km (0.052 R)
• M2: 325,226 km (0.101 R)
• M3: 1,080,695 km (0.097 R)
• M4: 1,397,843 km (0.118 R)
• M5: 1,870,871 km (0.083 R)
• M6: 2,113,220 km (0.085 R)
• M7: 2,787,308 km (0.088 R)
• M8: 3,358,771 km (0.082 R)
• M9: 3,688,036 km (0.119 R)
• M10: 4,038,544 km (0.107 R)
• M11: 4,341,779 km (0.1 R)
• M12: 6,907,532 km (0.051 R)
• M13: 9,091,811 km (0.114 R)
• M14: 11,833,940 km (0.033 R)
• M15: 12,667,948 km (0.112 R)
• M16: 27,454,800 km (0.069 R)
• M17: 30,805,343 km (0.056 R)
• M18: 40,121,999 km (0.059 R)
• M19: 40,740,437 km (0.039 R)
• M20: 50,434,229 km (0.104 R)
• M21: 61,762,977 km (0.069 R)
• M22: 70,561,725 km (0.106 R)
• M23: 71,915,586 km (0.104 R)
• M24: 82,626,195 km (0.11 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 18,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit