🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289

Radius: 14.7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.53 AU - 0.69 AU

Year: 335 Days

Day: 11.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 17,547,465 km

• M1: 183,856 km (0.11 R)
• M2: 858,093 km (0.086 R)
• M3: 1,536,520 km (0.098 R)
• M4: 2,199,388 km (0.085 R)
• M5: 2,703,982 km (0.12 R)
• M6: 3,190,175 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.3

Radius: 13.8

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.63 AU - 0.77 AU

Year: 412 Days

Day: 12.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 17,547,465 km

• M1: 171,738 km (0.101 R)
• M2: 638,334 km (0.116 R)
• M3: 1,142,928 km (0.073 R)
• M4: 2,604,050 km (0.106 R)
• M5: 3,444,641 km (0.116 R)
• M6: 4,012,364 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.2

Radius: 13.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.64 AU - 0.9 AU

Year: 475 Days

Day: 13.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,547,465 km

• M1: 172,038 km (0.077 R)
• M2: 788,381 km (0.08 R)
• M3: 1,322,595 km (0.066 R)
• M4: 2,160,343 km (0.087 R)
• M5: 2,910,427 km (0.068 R)
• M6: 3,511,212 km (0.089 R)
• M7: 6,146,977 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.2

Radius: 11.1

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.68 AU - 1.12 AU

Year: 600 Days

Day: 12 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,547,465 km

• M1: 138,528 km (0.111 R)
• M2: 613,800 km (0.05 R)
• M3: 1,050,925 km (0.086 R)
• M4: 1,492,837 km (0.038 R)
• M5: 1,929,513 km (0.105 R)
• M6: 2,333,876 km (0.052 R)
• M7: 2,773,245 km (0.11 R)
• M8: 3,441,050 km (0.079 R)
• M9: 5,213,336 km (0.094 R)
• M10: 5,644,627 km (0.042 R)
• M11: 6,174,802 km (0.078 R)
• M12: 6,598,912 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.6

Radius: 13.6

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.97 AU - 1.55 AU

Year: 994 Days

Day: 8.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,547,465 km

• M1: 169,195 km (0.05 R)
• M2: 619,485 km (0.081 R)
• M3: 1,156,092 km (0.066 R)
• M4: 1,723,517 km (0.076 R)
• M5: 2,375,465 km (0.109 R)
• M6: 2,827,849 km (0.09 R)
• M7: 3,450,325 km (0.108 R)
• M8: 4,444,403 km (0.083 R)
• M9: 5,405,420 km (0.116 R)
• M10: 5,966,711 km (0.119 R)
• M11: 8,141,715 km (0.068 R)
• M12: 8,963,156 km (0.107 R)
• M13: 9,521,904 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.8

Radius: 9.6

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.2 AU - 3.7 AU

Year: 4504 Days

Day: 6.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 17,547,465 km

• M1: 119,828 km (0.104 R)
• M2: 426,653 km (0.104 R)
• M3: 1,049,279 km (0.108 R)
• M4: 1,584,391 km (0.118 R)
• M5: 2,661,047 km (0.079 R)
• M6: 4,189,788 km (0.057 R)
• M7: 4,793,415 km (0.106 R)
• M8: 5,103,232 km (0.046 R)
• M9: 5,677,688 km (0.071 R)
• M10: 7,421,850 km (0.055 R)
• M11: 8,984,549 km (0.101 R)
• M12: 9,822,596 km (0.116 R)
• M13: 10,452,403 km (0.063 R)
• M14: 11,019,978 km (0.084 R)
• M15: 11,333,983 km (0.099 R)
• M16: 11,886,149 km (0.111 R)
• M17: 15,249,558 km (0.117 R)
• M18: 16,094,188 km (0.113 R)
• M19: 17,268,232 km (0.117 R)
• M20: 17,570,569 km (0.102 R)
• M21: 18,435,694 km (0.073 R)
• M22: 21,409,550 km (0.097 R)
• M23: 23,192,756 km (0.086 R)
• M24: 24,158,111 km (0.087 R)
• M25: 24,841,923 km (0.083 R)
• M26: 25,460,660 km (0.037 R)
• M27: 26,487,949 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.2

Radius: 3

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.01 AU - 7.67 AU

Year: 13978 Days

Day: 17.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,547,465 km

• M1: 37,250 km (0.104 R)
• M2: 519,553 km (0.1 R)
• M3: 1,261,858 km (0.102 R)
• M4: 1,961,677 km (0.037 R)
• M5: 4,584,576 km (0.12 R)
• M6: 5,094,256 km (0.107 R)
• M7: 6,120,797 km (0.119 R)
• M8: 8,219,655 km (0.056 R)
• M9: 11,528,012 km (0.075 R)
• M10: 15,192,711 km (0.1 R)
• M11: 15,674,865 km (0.089 R)
• M12: 16,167,042 km (0.112 R)
• M13: 16,924,606 km (0.12 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: 262 - 11,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit