🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.88 AU - 0.94 AU

Year: 304 Days

Day: 32.9 Hours

Environment

Temp: 148 °C

Axial Tilt: 12.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.98 AU - 1.54 AU

Year: 495 Days

Day: 37.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 44 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 81,113,807 km

• M1: 398,230 km (0.108 R)
• M2: 517,010 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.75 AU - 2.75 AU

Year: 1181 Days

Day: 17.1 Hours

Environment

Temp: -54 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.34 AU - 3.5 AU

Year: 1746 Days

Day: 37 Hours

Environment

Temp: -80 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,113,807 km

• M1: 1,065,586 km (0.117 R)

Asteroid Belt

Center: 4.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.2

Radius: 11.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.14 AU - 7.28 AU

Year: 5414 Days

Day: 15 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,113,807 km

• M1: 143,165 km (0.113 R)
• M2: 705,952 km (0.078 R)
• M3: 1,150,258 km (0.066 R)
• M4: 1,876,256 km (0.117 R)
• M5: 2,428,422 km (0.089 R)
• M6: 3,880,718 km (0.116 R)
• M7: 4,852,357 km (0.106 R)
• M8: 6,447,967 km (0.116 R)
• M9: 7,090,640 km (0.1 R)
• M10: 8,368,355 km (0.1 R)
• M11: 8,955,677 km (0.102 R)
• M12: 10,723,475 km (0.12 R)
• M13: 12,096,484 km (0.092 R)
• M14: 12,893,092 km (0.083 R)
• M15: 14,395,205 km (0.075 R)
• M16: 14,987,612 km (0.056 R)
• M17: 15,958,802 km (0.105 R)
• M18: 17,025,883 km (0.1 R)
• M19: 18,368,524 km (0.113 R)
• M20: 19,124,592 km (0.104 R)
• M21: 20,328,107 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.1

Radius: 9.1

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.36 AU - 8.08 AU

Year: 6094 Days

Day: 14.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,113,807 km

• M1: 113,694 km (0.075 R)
• M2: 470,784 km (0.114 R)
• M3: 1,465,910 km (0.119 R)
• M4: 2,059,215 km (0.109 R)
• M5: 3,239,841 km (0.119 R)
• M6: 3,541,730 km (0.108 R)
• M7: 3,882,962 km (0.087 R)
• M8: 4,402,217 km (0.071 R)
• M9: 5,740,369 km (0.116 R)
• M10: 6,071,280 km (0.09 R)
• M11: 6,591,581 km (0.051 R)
• M12: 7,141,354 km (0.042 R)
• M13: 7,821,126 km (0.071 R)
• M14: 8,829,715 km (0.073 R)
• M15: 10,360,251 km (0.11 R)
• M16: 11,231,060 km (0.106 R)
• M17: 11,618,818 km (0.098 R)
• M18: 12,239,799 km (0.066 R)
• M19: 15,681,746 km (0.064 R)
• M20: 16,661,313 km (0.109 R)
• M21: 21,711,438 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.6

Radius: 14.2

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.12 AU - 7.52 AU

Year: 6231 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,113,807 km

• M1: 177,423 km (0.111 R)
• M2: 633,397 km (0.071 R)
• M3: 1,522,308 km (0.089 R)
• M4: 2,511,599 km (0.072 R)
• M5: 3,873,538 km (0.101 R)
• M6: 6,175,550 km (0.106 R)
• M7: 7,584,313 km (0.118 R)
• M8: 8,039,090 km (0.118 R)
• M9: 8,812,661 km (0.12 R)
• M10: 9,315,908 km (0.062 R)
• M11: 9,961,722 km (0.098 R)
• M12: 12,800,192 km (0.069 R)
• M13: 19,563,811 km (0.117 R)
• M14: 22,861,098 km (0.117 R)
• M15: 24,489,620 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.3

Radius: 4.4

Gravity: 20.52 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 17.64 AU - 20.3 AU

Year: 28905 Days

Day: 23.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,113,807 km

• M1: 96,191 km (0.105 R)
• M2: 412,292 km (0.112 R)
• M3: 559,646 km (0.039 R)
• M4: 1,120,189 km (0.111 R)
• M5: 1,463,067 km (0.086 R)
• M6: 4,227,486 km (0.065 R)
• M7: 8,741,901 km (0.036 R)
• M8: 10,618,606 km (0.096 R)
• M9: 11,784,273 km (0.111 R)
• M10: 13,176,431 km (0.115 R)
• M11: 18,635,108 km (0.052 R)
• M12: 33,842,778 km (0.1 R)
• M13: 44,421,891 km (0.095 R)
• M14: 51,612,911 km (0.047 R)
• M15: 54,731,129 km (0.115 R)
• M16: 61,542,170 km (0.037 R)
• M17: 63,587,024 km (0.095 R)
• M18: 74,264,273 km (0.11 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 16,396 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit