🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.57 AU - 0.87 AU

Year: 228 Days

Day: 29.2 Hours

Environment

Temp: 125 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.24 AU - 1.84 AU

Year: 712 Days

Day: 41.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 152.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.35 AU - 3.87 AU

Year: 2045 Days

Day: 35.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,832,019 km

• M1: 174,132 km (0.037 R)
• M2: 1,208,900 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.81 AU - 3.91 AU

Year: 2296 Days

Day: 35.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,832,019 km

• M1: 45,478 km (0.108 R)
• M2: 1,421,479 km (0.044 R)

Asteroid Belt

Center: 4.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.5

Radius: 13.8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.24 AU - 5.3 AU

Year: 3884 Days

Day: 7.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,832,019 km

• M1: 171,589 km (0.095 R)
• M2: 684,560 km (0.042 R)
• M3: 1,461,122 km (0.114 R)
• M4: 1,915,451 km (0.071 R)
• M5: 2,746,617 km (0.076 R)
• M6: 3,706,138 km (0.084 R)
• M7: 4,523,840 km (0.112 R)
• M8: 5,226,351 km (0.082 R)
• M9: 6,170,164 km (0.117 R)
• M10: 6,819,718 km (0.057 R)
• M11: 7,947,088 km (0.104 R)
• M12: 12,259,097 km (0.078 R)
• M13: 13,432,542 km (0.073 R)
• M14: 15,358,017 km (0.082 R)
• M15: 20,002,582 km (0.107 R)
• M16: 20,771,664 km (0.057 R)
• M17: 21,494,072 km (0.071 R)
• M18: 22,850,327 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607

Radius: 14.5

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.09 AU - 9.17 AU

Year: 8642 Days

Day: 9.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,832,019 km

• M1: 181,163 km (0.103 R)
• M2: 686,355 km (0.117 R)
• M3: 1,143,077 km (0.112 R)
• M4: 2,040,964 km (0.068 R)
• M5: 2,572,186 km (0.064 R)
• M6: 3,088,897 km (0.116 R)
• M7: 5,255,224 km (0.036 R)
• M8: 6,949,868 km (0.062 R)
• M9: 9,481,663 km (0.075 R)
• M10: 13,085,027 km (0.05 R)
• M11: 16,693,926 km (0.105 R)
• M12: 18,946,122 km (0.118 R)
• M13: 20,685,496 km (0.108 R)
• M14: 21,474,026 km (0.09 R)
• M15: 22,777,323 km (0.055 R)
• M16: 27,566,998 km (0.084 R)
• M17: 28,910,387 km (0.046 R)
• M18: 29,796,904 km (0.113 R)
• M19: 32,989,622 km (0.076 R)
• M20: 34,175,334 km (0.069 R)
• M21: 36,403,894 km (0.1 R)
• M22: 38,727,747 km (0.115 R)
• M23: 40,534,291 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777

Radius: 10.5

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.62 AU - 11.68 AU

Year: 11175 Days

Day: 7.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,832,019 km

• M1: 132,095 km (0.099 R)
• M2: 476,170 km (0.108 R)
• M3: 901,178 km (0.081 R)
• M4: 1,373,757 km (0.106 R)
• M5: 1,825,094 km (0.106 R)
• M6: 3,291,602 km (0.037 R)
• M7: 5,813,523 km (0.088 R)
• M8: 6,487,312 km (0.086 R)
• M9: 6,883,596 km (0.1 R)
• M10: 10,500,424 km (0.058 R)
• M11: 14,675,102 km (0.04 R)
• M12: 15,851,989 km (0.079 R)
• M13: 16,281,933 km (0.111 R)
• M14: 22,246,550 km (0.117 R)
• M15: 22,967,611 km (0.102 R)
• M16: 25,712,882 km (0.088 R)
• M17: 30,614,905 km (0.113 R)
• M18: 37,353,990 km (0.119 R)
• M19: 38,501,106 km (0.113 R)
• M20: 40,731,910 km (0.113 R)
• M21: 53,671,078 km (0.06 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 19,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit