🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.04 AU - 1.64 AU

Year: 556 Days

Day: 33 Hours

Environment

Temp: 14 °C

Axial Tilt: 2.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 64,023,172 km

• M1: 37,399 km (0.094 R)
• M2: 629,807 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.35 AU - 1.39 AU

Year: 574 Days

Day: 37.9 Hours

Environment

Temp: 12 °C

Axial Tilt: 19.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.19 AU - 1.95 AU

Year: 705 Days

Day: 39.1 Hours

Environment

Temp: -23 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,023,172 km

• M1: 27,975 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.56 AU - 1.96 AU

Year: 836 Days

Day: 33.1 Hours

Environment

Temp: -44 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.54 AU - 4.22 AU

Year: 2226 Days

Day: 32.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.48 AU - 4.5 AU

Year: 2855 Days

Day: 45.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.6

Radius: 14.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.88 AU - 6.42 AU

Year: 4810 Days

Day: 14 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,023,172 km

• M1: 181,612 km (0.109 R)
• M2: 753,824 km (0.119 R)
• M3: 1,723,218 km (0.054 R)
• M4: 2,656,559 km (0.089 R)
• M5: 3,299,680 km (0.068 R)
• M6: 3,975,414 km (0.119 R)
• M7: 4,586,372 km (0.07 R)
• M8: 5,517,917 km (0.103 R)
• M9: 7,009,558 km (0.069 R)
• M10: 7,647,144 km (0.12 R)
• M11: 8,131,542 km (0.077 R)
• M12: 8,957,472 km (0.074 R)
• M13: 9,412,100 km (0.071 R)
• M14: 11,774,549 km (0.093 R)
• M15: 14,340,601 km (0.114 R)
• M16: 16,449,632 km (0.047 R)
• M17: 17,323,284 km (0.071 R)
• M18: 18,960,034 km (0.098 R)
• M19: 21,421,966 km (0.054 R)
• M20: 22,464,065 km (0.117 R)
• M21: 23,306,301 km (0.107 R)
• M22: 25,627,910 km (0.065 R)
• M23: 26,547,638 km (0.117 R)
• M24: 27,837,172 km (0.1 R)
• M25: 29,529,872 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.2

Radius: 9.2

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.4 AU - 10.58 AU

Year: 9654 Days

Day: 9.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,023,172 km

• M1: 114,442 km (0.048 R)
• M2: 437,424 km (0.111 R)
• M3: 731,384 km (0.09 R)
• M4: 1,088,025 km (0.072 R)
• M5: 1,635,105 km (0.059 R)
• M6: 1,972,448 km (0.086 R)
• M7: 3,174,018 km (0.103 R)
• M8: 3,681,753 km (0.071 R)
• M9: 6,433,905 km (0.098 R)
• M10: 8,636,435 km (0.098 R)
• M11: 8,999,359 km (0.031 R)
• M12: 11,156,860 km (0.108 R)
• M13: 12,381,019 km (0.057 R)
• M14: 12,894,888 km (0.085 R)
• M15: 16,100,172 km (0.073 R)
• M16: 19,318,620 km (0.109 R)
• M17: 20,575,242 km (0.107 R)
• M18: 23,250,501 km (0.1 R)
• M19: 25,157,724 km (0.117 R)
• M20: 28,034,940 km (0.097 R)
• M21: 28,564,517 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.6

Radius: 13

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 10.66 AU - 13 AU

Year: 14573 Days

Day: 8.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,023,172 km

• M1: 161,865 km (0.043 R)
• M2: 572,661 km (0.07 R)
• M3: 2,082,702 km (0.08 R)
• M4: 2,519,827 km (0.104 R)
• M5: 3,116,423 km (0.057 R)
• M6: 4,218,211 km (0.108 R)
• M7: 8,096,536 km (0.113 R)
• M8: 9,615,403 km (0.116 R)
• M9: 11,497,344 km (0.11 R)
• M10: 12,302,330 km (0.12 R)
• M11: 16,054,095 km (0.1 R)
• M12: 18,025,347 km (0.093 R)
• M13: 28,306,161 km (0.106 R)
• M14: 30,234,777 km (0.09 R)
• M15: 30,818,358 km (0.078 R)
• M16: 31,767,557 km (0.074 R)
• M17: 40,357,616 km (0.107 R)
• M18: 47,027,736 km (0.106 R)
• M19: 54,054,947 km (0.072 R)
• M20: 55,435,286 km (0.102 R)
• M21: 62,126,350 km (0.078 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 10,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit