🌌 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: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.4

Radius: 12.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.64 AU - 0.94 AU

Year: 468 Days

Day: 14 Hours

Environment

Temp: -161 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,769,955 km

• M1: 153,039 km (0.099 R)
• M2: 590,762 km (0.092 R)
• M3: 977,772 km (0.047 R)
• M4: 1,392,906 km (0.098 R)
• M5: 1,920,238 km (0.116 R)
• M6: 2,394,613 km (0.102 R)
• M7: 3,031,302 km (0.111 R)
• M8: 4,337,441 km (0.118 R)
• M9: 5,056,707 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.5

Radius: 12.4

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.74 AU - 0.84 AU

Year: 468 Days

Day: 8.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,769,955 km

• M1: 154,235 km (0.084 R)
• M2: 564,433 km (0.03 R)
• M3: 1,055,114 km (0.111 R)
• M4: 1,833,023 km (0.103 R)
• M5: 2,931,520 km (0.109 R)
• M6: 3,350,394 km (0.037 R)
• M7: 4,166,749 km (0.092 R)
• M8: 4,839,192 km (0.071 R)
• M9: 6,083,098 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.6

Radius: 11

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.51 AU - 2.29 AU

Year: 1746 Days

Day: 6.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,769,955 km

• M1: 136,882 km (0.098 R)
• M2: 669,600 km (0.104 R)
• M3: 1,304,194 km (0.073 R)
• M4: 1,788,293 km (0.102 R)
• M5: 2,321,161 km (0.106 R)
• M6: 2,669,873 km (0.109 R)
• M7: 3,053,891 km (0.115 R)
• M8: 3,489,969 km (0.105 R)
• M9: 4,292,412 km (0.09 R)
• M10: 4,937,777 km (0.119 R)
• M11: 5,646,721 km (0.113 R)
• M12: 6,284,307 km (0.118 R)
• M13: 7,995,258 km (0.103 R)
• M14: 9,997,476 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.3

Radius: 8.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.17 AU - 3.67 AU

Year: 4218 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,769,955 km

• M1: 110,702 km (0.117 R)
• M2: 394,639 km (0.105 R)
• M3: 709,842 km (0.115 R)
• M4: 1,118,543 km (0.066 R)
• M5: 1,540,110 km (0.057 R)
• M6: 2,249,354 km (0.086 R)
• M7: 2,585,799 km (0.043 R)
• M8: 2,870,634 km (0.1 R)
• M9: 3,488,024 km (0.102 R)
• M10: 4,703,955 km (0.112 R)
• M11: 5,365,178 km (0.11 R)
• M12: 5,993,190 km (0.062 R)
• M13: 7,078,223 km (0.119 R)
• M14: 7,722,691 km (0.111 R)
• M15: 8,376,434 km (0.073 R)
• M16: 9,990,146 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399

Radius: 12.9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.04 AU - 4.06 AU

Year: 4460 Days

Day: 9 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,769,955 km

• M1: 160,668 km (0.114 R)
• M2: 812,466 km (0.081 R)
• M3: 1,579,903 km (0.073 R)
• M4: 2,570,091 km (0.03 R)
• M5: 3,312,097 km (0.048 R)
• M6: 4,390,997 km (0.085 R)
• M7: 8,537,401 km (0.107 R)
• M8: 9,338,198 km (0.1 R)
• M9: 10,429,066 km (0.046 R)
• M10: 11,777,840 km (0.108 R)
• M11: 15,976,454 km (0.093 R)
• M12: 18,828,538 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.9

Radius: 8.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.17 AU - 4.21 AU

Year: 4727 Days

Day: 7.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,769,955 km

• M1: 106,962 km (0.036 R)
• M2: 468,092 km (0.084 R)
• M3: 895,343 km (0.096 R)
• M4: 1,690,007 km (0.11 R)
• M5: 2,448,917 km (0.071 R)
• M6: 2,905,639 km (0.11 R)
• M7: 3,375,676 km (0.111 R)
• M8: 4,588,915 km (0.115 R)
• M9: 7,355,578 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.9

Radius: 9.5

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4 AU - 5.4 AU

Year: 6795 Days

Day: 14.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,769,955 km

• M1: 118,332 km (0.106 R)
• M2: 535,710 km (0.108 R)
• M3: 1,084,734 km (0.112 R)
• M4: 1,664,276 km (0.077 R)
• M5: 3,303,719 km (0.065 R)
• M6: 4,938,525 km (0.105 R)
• M7: 6,382,444 km (0.077 R)
• M8: 6,765,863 km (0.115 R)
• M9: 7,351,090 km (0.106 R)
• M10: 13,032,667 km (0.04 R)
• M11: 15,252,251 km (0.073 R)
• M12: 16,842,925 km (0.043 R)
• M13: 17,848,821 km (0.072 R)
• M14: 19,686,481 km (0.119 R)
• M15: 20,575,841 km (0.096 R)
• M16: 22,117,297 km (0.093 R)
• M17: 22,754,883 km (0.087 R)
• M18: 23,404,736 km (0.073 R)
• M19: 24,486,927 km (0.11 R)
• M20: 28,773,056 km (0.09 R)
• M21: 30,894,803 km (0.114 R)
• M22: 32,501,933 km (0.09 R)
• M23: 33,015,352 km (0.057 R)
• M24: 33,953,331 km (0.076 R)
• M25: 35,447,365 km (0.118 R)
• M26: 36,210,613 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 19,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit