🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.74 AU - 0.8 AU

Year: 308 Days

Day: 20.5 Hours

Environment

Temp: -46 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.89 AU - 1.05 AU

Year: 436 Days

Day: 20.7 Hours

Environment

Temp: -77 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.84 AU - 1.12 AU

Year: 443 Days

Day: 43.7 Hours

Environment

Temp: -81 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,274,762 km

• M1: 79,287 km (0.09 R)
• M2: 978,370 km (0.088 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.88 AU - 1.44 AU

Year: 570 Days

Day: 13.8 Hours

Environment

Temp: -83 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.96 AU - 1.46 AU

Year: 608 Days

Day: 35 Hours

Environment

Temp: -95 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.79 AU - 2.49 AU

Year: 1429 Days

Day: 33.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,274,762 km

• M1: 18,251 km (0.092 R)

Asteroid Belt

Center: 3.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.3

Radius: 8.1

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.8 AU - 4.92 AU

Year: 4157 Days

Day: 14.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,274,762 km

• M1: 100,829 km (0.118 R)
• M2: 359,932 km (0.105 R)
• M3: 628,909 km (0.087 R)
• M4: 1,024,895 km (0.119 R)
• M5: 1,466,807 km (0.115 R)
• M6: 1,796,222 km (0.046 R)
• M7: 2,591,933 km (0.119 R)
• M8: 2,984,627 km (0.12 R)
• M9: 3,450,026 km (0.115 R)
• M10: 4,465,496 km (0.118 R)
• M11: 5,343,187 km (0.091 R)
• M12: 5,763,108 km (0.093 R)
• M13: 6,936,554 km (0.111 R)
• M14: 7,841,771 km (0.025 R)
• M15: 8,477,263 km (0.042 R)
• M16: 10,808,596 km (0.071 R)
• M17: 12,101,421 km (0.109 R)
• M18: 12,662,562 km (0.081 R)
• M19: 14,273,432 km (0.086 R)
• M20: 15,544,565 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.3

Radius: 9.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.18 AU - 8.74 AU

Year: 9303 Days

Day: 10.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,274,762 km

• M1: 121,922 km (0.109 R)
• M2: 618,288 km (0.036 R)
• M3: 1,096,253 km (0.075 R)
• M4: 1,811,181 km (0.087 R)
• M5: 2,734,350 km (0.117 R)
• M6: 3,752,513 km (0.085 R)
• M7: 4,348,361 km (0.101 R)
• M8: 5,510,737 km (0.074 R)
• M9: 6,762,422 km (0.106 R)
• M10: 7,530,757 km (0.064 R)
• M11: 8,854,249 km (0.066 R)
• M12: 9,197,277 km (0.08 R)
• M13: 9,818,856 km (0.087 R)
• M14: 12,269,718 km (0.1 R)
• M15: 13,864,282 km (0.028 R)
• M16: 14,268,944 km (0.063 R)
• M17: 17,460,016 km (0.094 R)
• M18: 20,348,153 km (0.075 R)
• M19: 23,377,360 km (0.059 R)
• M20: 28,234,504 km (0.064 R)
• M21: 31,988,961 km (0.057 R)
• M22: 34,987,501 km (0.103 R)
• M23: 36,829,799 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.7

Radius: 7

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.18 AU - 9.4 AU

Year: 12928 Days

Day: 21.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,274,762 km

• M1: 88,712 km (0.099 R)
• M2: 323,730 km (0.118 R)
• M3: 720,463 km (0.11 R)
• M4: 993,928 km (0.092 R)
• M5: 1,375,104 km (0.11 R)
• M6: 1,695,841 km (0.097 R)
• M7: 1,915,002 km (0.106 R)
• M8: 2,372,921 km (0.096 R)
• M9: 3,147,988 km (0.09 R)
• M10: 4,746,890 km (0.038 R)
• M11: 5,251,484 km (0.055 R)
• M12: 6,823,608 km (0.072 R)
• M13: 10,547,697 km (0.09 R)
• M14: 11,851,592 km (0.068 R)
• M15: 12,078,981 km (0.086 R)
• M16: 16,757,505 km (0.05 R)
• M17: 17,116,240 km (0.067 R)
• M18: 20,173,273 km (0.075 R)
• M19: 20,497,601 km (0.12 R)
• M20: 25,224,595 km (0.099 R)
• M21: 32,038,179 km (0.11 R)
• M22: 32,590,943 km (0.115 R)
• M23: 34,749,641 km (0.075 R)
• M24: 36,399,855 km (0.045 R)
• M25: 40,753,003 km (0.062 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 15,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit