🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.48 AU - 0.78 AU

Year: 185 Days

Day: 34.2 Hours

Environment

Temp: 131 °C

Axial Tilt: 24.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.03 AU - 1.15 AU

Year: 422 Days

Day: 12.5 Hours

Environment

Temp: 9 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.17 AU - 1.29 AU

Year: 506 Days

Day: 20.7 Hours

Environment

Temp: -12 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 94,145,415 km

• M1: 26,030 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.41 AU - 3.33 AU

Year: 1803 Days

Day: 27.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.42 AU - 3.36 AU

Year: 1822 Days

Day: 20.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.22 AU - 3.6 AU

Year: 1841 Days

Day: 12 Hours

Environment

Temp: -103 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,145,415 km

• M1: 43,084 km (0.034 R)

Asteroid Belt

Center: 4.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.2

Radius: 12.5

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.76 AU - 6.62 AU

Year: 5034 Days

Day: 13.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 94,145,415 km

• M1: 155,582 km (0.117 R)
• M2: 796,908 km (0.109 R)
• M3: 2,011,493 km (0.047 R)
• M4: 2,478,538 km (0.069 R)
• M5: 2,889,632 km (0.12 R)
• M6: 3,306,711 km (0.11 R)
• M7: 3,829,705 km (0.039 R)
• M8: 4,807,627 km (0.08 R)
• M9: 5,314,165 km (0.111 R)
• M10: 6,918,752 km (0.065 R)
• M11: 7,636,822 km (0.076 R)
• M12: 8,709,289 km (0.119 R)
• M13: 10,925,432 km (0.092 R)
• M14: 13,442,715 km (0.1 R)
• M15: 14,781,167 km (0.086 R)
• M16: 16,030,908 km (0.101 R)
• M17: 18,481,919 km (0.039 R)
• M18: 20,545,921 km (0.084 R)
• M19: 27,236,836 km (0.091 R)
• M20: 27,824,306 km (0.083 R)
• M21: 28,592,043 km (0.099 R)
• M22: 29,111,746 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.9

Radius: 8.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 11 AU - 12.04 AU

Year: 14501 Days

Day: 8.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 94,145,415 km

• M1: 328,517 km (0.096 R)
• M2: 1,270,086 km (0.081 R)
• M3: 2,671,220 km (0.071 R)
• M4: 6,193,950 km (0.049 R)
• M5: 6,793,987 km (0.088 R)
• M6: 14,613,767 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.8

Radius: 3.9

Gravity: 65.73 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 12.3 AU - 18.84 AU

Year: 22784 Days

Day: 21.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 94,145,415 km

• M1: 48,470 km (0.086 R)
• M2: 180,714 km (0.038 R)
• M3: 426,803 km (0.097 R)
• M4: 634,744 km (0.086 R)
• M5: 767,886 km (0.109 R)
• M6: 1,254,229 km (0.108 R)
• M7: 2,272,990 km (0.107 R)
• M8: 2,666,133 km (0.057 R)
• M9: 2,797,779 km (0.026 R)
• M10: 3,278,737 km (0.028 R)
• M11: 3,779,590 km (0.067 R)
• M12: 4,152,538 km (0.036 R)
• M13: 4,438,718 km (0.1 R)
• M14: 5,335,109 km (0.115 R)
• M15: 6,253,191 km (0.114 R)
• M16: 6,439,291 km (0.034 R)
• M17: 6,871,629 km (0.086 R)
• M18: 7,019,880 km (0.117 R)
• M19: 10,260,918 km (0.032 R)
• M20: 10,651,219 km (0.079 R)
• M21: 11,881,362 km (0.042 R)
• M22: 12,023,630 km (0.025 R)
• M23: 12,239,200 km (0.102 R)
• M24: 12,976,269 km (0.038 R)
• M25: 17,658,682 km (0.113 R)
• M26: 26,490,791 km (0.088 R)
• M27: 30,825,988 km (0.068 R)
• M28: 32,740,541 km (0.114 R)
• M29: 40,223,875 km (0.095 R)
• M30: 44,874,275 km (0.046 R)
• M31: 54,046,569 km (0.097 R)
• M32: 55,422,720 km (0.117 R)
• M33: 57,428,827 km (0.077 R)
• M34: 58,655,380 km (0.117 R)
• M35: 70,026,314 km (0.072 R)
• M36: 75,005,979 km (0.079 R)
• M37: 75,980,459 km (0.036 R)
• M38: 80,470,340 km (0.115 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: 376 - 16,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit