🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.9

Radius: 9.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.54 AU - 0.82 AU

Year: 374 Days

Day: 8.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,377,141 km

• M1: 120,277 km (0.11 R)
• M2: 475,871 km (0.089 R)
• M3: 829,670 km (0.087 R)
• M4: 1,144,723 km (0.111 R)
• M5: 1,479,972 km (0.074 R)
• M6: 1,917,396 km (0.084 R)
• M7: 2,375,764 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.9

Radius: 11

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.39 AU - 1.81 AU

Year: 1350 Days

Day: 5.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 92.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,377,141 km

• M1: 136,882 km (0.102 R)
• M2: 549,024 km (0.061 R)
• M3: 920,326 km (0.084 R)
• M4: 1,323,642 km (0.086 R)
• M5: 1,725,163 km (0.099 R)
• M6: 2,220,332 km (0.087 R)
• M7: 2,822,762 km (0.075 R)
• M8: 4,206,094 km (0.067 R)
• M9: 5,519,862 km (0.043 R)
• M10: 5,927,965 km (0.112 R)
• M11: 6,283,410 km (0.098 R)
• M12: 8,755,365 km (0.088 R)
• M13: 9,154,941 km (0.056 R)
• M14: 10,495,787 km (0.067 R)
• M15: 11,231,359 km (0.075 R)
• M16: 11,777,392 km (0.09 R)
• M17: 12,649,248 km (0.099 R)
• M18: 13,160,573 km (0.077 R)
• M19: 13,974,386 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.2

Radius: 13.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.99 AU - 4.51 AU

Year: 5843 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,377,141 km

• M1: 169,195 km (0.099 R)
• M2: 891,304 km (0.063 R)
• M3: 1,327,532 km (0.075 R)
• M4: 2,214,048 km (0.117 R)
• M5: 3,698,957 km (0.093 R)
• M6: 4,401,768 km (0.06 R)
• M7: 5,451,945 km (0.12 R)
• M8: 5,972,396 km (0.045 R)
• M9: 7,465,383 km (0.091 R)
• M10: 10,790,195 km (0.077 R)
• M11: 15,140,950 km (0.1 R)
• M12: 17,252,973 km (0.119 R)
• M13: 18,489,399 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.5

Radius: 10.1

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.82 AU - 4.68 AU

Year: 5843 Days

Day: 12 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,377,141 km

• M1: 128,056 km (0.088 R)
• M2: 574,306 km (0.087 R)
• M3: 1,068,578 km (0.117 R)
• M4: 1,738,327 km (0.056 R)
• M5: 2,079,410 km (0.059 R)
• M6: 2,933,016 km (0.025 R)
• M7: 4,422,562 km (0.043 R)
• M8: 5,743,661 km (0.092 R)
• M9: 6,276,079 km (0.093 R)
• M10: 7,057,878 km (0.119 R)
• M11: 7,472,414 km (0.109 R)
• M12: 9,295,712 km (0.119 R)
• M13: 11,183,488 km (0.038 R)
• M14: 11,615,975 km (0.086 R)
• M15: 12,194,770 km (0.031 R)
• M16: 13,555,512 km (0.083 R)
• M17: 15,488,167 km (0.108 R)
• M18: 16,080,425 km (0.038 R)
• M19: 18,183,621 km (0.117 R)
• M20: 23,346,393 km (0.049 R)
• M21: 23,698,247 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.3

Radius: 6.4

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.26 AU - 9.74 AU

Year: 18005 Days

Day: 20.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,377,141 km

• M1: 183,856 km (0.085 R)
• M2: 486,642 km (0.055 R)
• M3: 862,133 km (0.104 R)
• M4: 1,596,359 km (0.073 R)
• M5: 3,208,725 km (0.101 R)
• M6: 3,493,858 km (0.118 R)
• M7: 4,144,759 km (0.043 R)
• M8: 6,103,144 km (0.114 R)
• M9: 6,665,034 km (0.077 R)
• M10: 7,984,338 km (0.063 R)
• M11: 9,680,179 km (0.117 R)
• M12: 13,565,086 km (0.1 R)
• M13: 15,812,196 km (0.104 R)
• M14: 20,409,189 km (0.091 R)
• M15: 26,758,272 km (0.11 R)
• M16: 31,651,768 km (0.108 R)
• M17: 34,060,892 km (0.113 R)
• M18: 37,109,846 km (0.075 R)
• M19: 37,767,179 km (0.089 R)
• M20: 46,271,220 km (0.117 R)
• M21: 47,032,523 km (0.101 R)
• M22: 47,802,204 km (0.116 R)
• M23: 52,104,340 km (0.084 R)
• M24: 53,928,686 km (0.116 R)
• M25: 54,264,832 km (0.068 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: 435 - 11,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit