🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.81 AU - 1.05 AU

Year: 340 Days

Day: 21.6 Hours

Environment

Temp: 32 °C

Axial Tilt: 37 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 74,115,057 km

• M1: 134,040 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.75 AU - 1.11 AU

Year: 340 Days

Day: 13.2 Hours

Environment

Temp: 27 °C

Axial Tilt: 41.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.92 AU - 3.1 AU

Year: 1506 Days

Day: 18.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.1

Radius: 11.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.93 AU - 9.17 AU

Year: 7857 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,115,057 km

• M1: 145,559 km (0.107 R)
• M2: 511,625 km (0.069 R)
• M3: 3,342,615 km (0.092 R)
• M4: 3,732,467 km (0.109 R)
• M5: 5,865,583 km (0.074 R)
• M6: 7,243,230 km (0.105 R)
• M7: 8,262,440 km (0.098 R)
• M8: 8,787,529 km (0.097 R)
• M9: 9,576,358 km (0.08 R)
• M10: 10,540,965 km (0.116 R)
• M11: 10,935,754 km (0.084 R)
• M12: 11,431,671 km (0.091 R)
• M13: 11,989,671 km (0.117 R)
• M14: 15,334,081 km (0.074 R)
• M15: 16,360,173 km (0.098 R)
• M16: 18,485,809 km (0.097 R)
• M17: 21,341,931 km (0.103 R)
• M18: 22,692,950 km (0.119 R)
• M19: 24,100,217 km (0.041 R)
• M20: 25,880,581 km (0.089 R)
• M21: 27,006,455 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.7

Radius: 9.9

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.58 AU - 9.78 AU

Year: 8861 Days

Day: 9.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 82.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,115,057 km

• M1: 143,464 km (0.11 R)
• M2: 518,357 km (0.039 R)
• M3: 906,264 km (0.081 R)
• M4: 1,338,303 km (0.086 R)
• M5: 1,843,794 km (0.073 R)
• M6: 2,167,673 km (0.028 R)
• M7: 2,568,147 km (0.079 R)
• M8: 3,377,471 km (0.112 R)
• M9: 5,793,926 km (0.038 R)
• M10: 6,719,488 km (0.086 R)
• M11: 8,032,508 km (0.078 R)
• M12: 8,998,312 km (0.12 R)
• M13: 9,414,942 km (0.114 R)
• M14: 11,694,814 km (0.109 R)
• M15: 12,473,470 km (0.085 R)
• M16: 15,081,709 km (0.054 R)
• M17: 15,604,255 km (0.117 R)
• M18: 16,206,386 km (0.098 R)
• M19: 17,960,720 km (0.062 R)
• M20: 26,627,823 km (0.104 R)
• M21: 29,668,250 km (0.109 R)
• M22: 32,390,632 km (0.059 R)
• M23: 44,415,309 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.4

Radius: 7.1

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 12.08 AU - 19.5 AU

Year: 23764 Days

Day: 24.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,115,057 km

• M1: 94,247 km (0.107 R)
• M2: 744,848 km (0.09 R)
• M3: 1,086,230 km (0.065 R)
• M4: 1,330,224 km (0.09 R)
• M5: 2,358,261 km (0.037 R)
• M6: 2,871,382 km (0.066 R)
• M7: 3,484,882 km (0.071 R)
• M8: 3,717,657 km (0.097 R)
• M9: 4,023,435 km (0.041 R)
• M10: 5,811,279 km (0.109 R)
• M11: 9,397,289 km (0.086 R)
• M12: 17,476,023 km (0.064 R)
• M13: 17,730,938 km (0.091 R)
• M14: 18,074,564 km (0.094 R)
• M15: 18,775,281 km (0.076 R)
• M16: 19,403,143 km (0.095 R)
• M17: 19,860,165 km (0.119 R)
• M18: 20,417,865 km (0.101 R)
• M19: 23,057,969 km (0.084 R)
• M20: 25,262,443 km (0.097 R)
• M21: 30,329,622 km (0.115 R)
• M22: 34,413,345 km (0.116 R)
• M23: 34,680,227 km (0.099 R)
• M24: 52,804,308 km (0.118 R)
• M25: 68,489,795 km (0.053 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: 360 - 13,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit