🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.49 AU - 0.71 AU

Year: 172 Days

Day: 36.9 Hours

Environment

Temp: 206 °C

Axial Tilt: 14.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.12 AU - 1.22 AU

Year: 469 Days

Day: 41.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 33.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 100,573,148 km

• M1: 375,640 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.69 AU - 1.85 AU

Year: 873 Days

Day: 23.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.4

Radius: 10.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.02 AU - 8.66 AU

Year: 8932 Days

Day: 7.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 100,573,148 km

• M1: 125,662 km (0.095 R)
• M2: 670,198 km (0.107 R)
• M3: 1,521,261 km (0.063 R)
• M4: 2,149,422 km (0.076 R)
• M5: 2,590,736 km (0.068 R)
• M6: 2,997,792 km (0.108 R)
• M7: 3,326,009 km (0.045 R)
• M8: 3,699,705 km (0.077 R)
• M9: 4,101,375 km (0.057 R)
• M10: 5,428,608 km (0.117 R)
• M11: 6,533,837 km (0.085 R)
• M12: 6,856,818 km (0.106 R)
• M13: 9,632,009 km (0.119 R)
• M14: 10,308,789 km (0.096 R)
• M15: 10,926,778 km (0.083 R)
• M16: 11,615,975 km (0.045 R)
• M17: 16,315,892 km (0.114 R)
• M18: 17,960,122 km (0.109 R)
• M19: 18,725,165 km (0.078 R)
• M20: 19,050,391 km (0.114 R)
• M21: 20,252,261 km (0.077 R)
• M22: 22,512,834 km (0.101 R)
• M23: 23,402,343 km (0.087 R)
• M24: 25,172,385 km (0.111 R)
• M25: 25,888,660 km (0.108 R)
• M26: 26,211,342 km (0.108 R)
• M27: 26,700,378 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.9

Radius: 3.6

Gravity: 53 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 18.72 AU - 18.98 AU

Year: 30351 Days

Day: 16.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 100,573,148 km

• M1: 46,226 km (0.082 R)
• M2: 209,886 km (0.086 R)
• M3: 504,594 km (0.082 R)
• M4: 2,158,398 km (0.12 R)
• M5: 2,275,234 km (0.102 R)
• M6: 3,495,653 km (0.107 R)
• M7: 5,517,469 km (0.103 R)
• M8: 7,126,543 km (0.076 R)
• M9: 13,068,571 km (0.114 R)
• M10: 17,984,357 km (0.052 R)
• M11: 19,862,708 km (0.057 R)
• M12: 28,684,345 km (0.103 R)
• M13: 32,356,523 km (0.093 R)
• M14: 35,873,121 km (0.096 R)
• M15: 36,329,843 km (0.089 R)
• M16: 38,353,902 km (0.085 R)
• M17: 40,781,277 km (0.084 R)
• M18: 56,287,994 km (0.09 R)
• M19: 59,841,392 km (0.03 R)
• M20: 69,020,269 km (0.092 R)
• M21: 74,065,307 km (0.108 R)
• M22: 77,308,440 km (0.082 R)
• M23: 79,350,451 km (0.113 R)
• M24: 100,271,862 km (0.095 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 17,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit