🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 11.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.55 AU - 0.79 AU

Year: 379 Days

Day: 11.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,121,958 km

• M1: 148,401 km (0.076 R)
• M2: 530,175 km (0.115 R)
• M3: 977,772 km (0.114 R)
• M4: 1,925,923 km (0.07 R)
• M5: 2,404,636 km (0.111 R)
• M6: 3,109,990 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.4

Radius: 14.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.78 AU - 1.1 AU

Year: 629 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,121,958 km

• M1: 184,005 km (0.086 R)
• M2: 762,949 km (0.111 R)
• M3: 1,336,657 km (0.084 R)
• M4: 1,802,355 km (0.096 R)
• M5: 2,577,871 km (0.076 R)
• M6: 3,125,848 km (0.028 R)
• M7: 3,941,455 km (0.119 R)
• M8: 4,566,475 km (0.1 R)
• M9: 5,619,494 km (0.105 R)
• M10: 7,032,745 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159

Radius: 13.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.87 AU - 1.37 AU

Year: 818 Days

Day: 12.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,121,958 km

• M1: 165,605 km (0.102 R)
• M2: 652,995 km (0.119 R)
• M3: 1,147,266 km (0.119 R)
• M4: 1,564,195 km (0.085 R)
• M5: 1,981,424 km (0.102 R)
• M6: 2,567,399 km (0.056 R)
• M7: 3,038,482 km (0.078 R)
• M8: 3,508,369 km (0.051 R)
• M9: 4,842,034 km (0.098 R)

Asteroid Belt

Center: 1.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.7

Radius: 9.8

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.8 AU - 1.84 AU

Year: 1695 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,121,958 km

• M1: 121,922 km (0.11 R)
• M2: 511,026 km (0.107 R)
• M3: 881,879 km (0.063 R)
• M4: 1,203,066 km (0.032 R)
• M5: 1,522,308 km (0.106 R)
• M6: 1,909,318 km (0.107 R)
• M7: 2,473,302 km (0.116 R)
• M8: 2,843,257 km (0.115 R)
• M9: 3,678,911 km (0.067 R)
• M10: 4,038,395 km (0.076 R)
• M11: 4,689,893 km (0.105 R)
• M12: 5,197,030 km (0.111 R)
• M13: 5,945,169 km (0.1 R)
• M14: 6,663,239 km (0.1 R)
• M15: 7,903,256 km (0.049 R)
• M16: 8,952,385 km (0.073 R)
• M17: 10,026,199 km (0.095 R)
• M18: 12,127,151 km (0.032 R)
• M19: 12,849,560 km (0.105 R)
• M20: 13,280,701 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 8.6

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.87 AU - 2.71 AU

Year: 2392 Days

Day: 5.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,121,958 km

• M1: 107,112 km (0.111 R)
• M2: 396,584 km (0.117 R)
• M3: 970,292 km (0.102 R)
• M4: 1,438,384 km (0.114 R)
• M5: 5,174,291 km (0.026 R)
• M6: 5,550,679 km (0.112 R)
• M7: 6,201,281 km (0.11 R)
• M8: 7,957,410 km (0.072 R)
• M9: 8,751,475 km (0.1 R)
• M10: 14,522,213 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.6

Radius: 12.8

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.93 AU - 3.59 AU

Year: 4063 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,121,958 km

• M1: 159,172 km (0.042 R)
• M2: 767,736 km (0.049 R)
• M3: 1,262,606 km (0.089 R)
• M4: 2,031,838 km (0.061 R)
• M5: 2,645,788 km (0.048 R)
• M6: 3,558,185 km (0.059 R)
• M7: 4,269,374 km (0.12 R)
• M8: 5,475,432 km (0.048 R)
• M9: 5,975,837 km (0.068 R)
• M10: 9,227,346 km (0.084 R)
• M11: 10,382,092 km (0.025 R)
• M12: 11,590,544 km (0.105 R)
• M13: 12,674,530 km (0.055 R)
• M14: 14,614,216 km (0.054 R)
• M15: 15,237,740 km (0.094 R)
• M16: 15,928,882 km (0.096 R)
• M17: 17,480,661 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165

Radius: 6.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.74 AU - 7.46 AU

Year: 11704 Days

Day: 22.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,121,958 km

• M1: 87,515 km (0.052 R)
• M2: 348,862 km (0.098 R)
• M3: 570,417 km (0.102 R)
• M4: 1,394,551 km (0.112 R)
• M5: 5,115,350 km (0.101 R)
• M6: 7,882,312 km (0.078 R)
• M7: 9,074,008 km (0.072 R)
• M8: 9,368,417 km (0.104 R)
• M9: 9,712,791 km (0.112 R)
• M10: 13,042,541 km (0.106 R)
• M11: 13,966,607 km (0.099 R)
• M12: 22,369,220 km (0.085 R)
• M13: 26,062,941 km (0.111 R)
• M14: 26,316,958 km (0.106 R)
• M15: 27,700,439 km (0.114 R)
• M16: 28,859,673 km (0.109 R)
• M17: 33,022,982 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 17,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit