🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.68 AU - 0.84 AU

Year: 246 Days

Day: 23.2 Hours

Environment

Temp: 159 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 25,259,679 km

• M1: 126,410 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.87 AU - 1.23 AU

Year: 399 Days

Day: 23.3 Hours

Environment

Temp: 20 °C

Axial Tilt: 41.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.82 AU - 1.32 AU

Year: 410 Days

Day: 43.1 Hours

Environment

Temp: 8 °C

Axial Tilt: 49.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.97 AU - 1.59 AU

Year: 537 Days

Day: 28.6 Hours

Environment

Temp: -6 °C

Axial Tilt: 18.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.36 AU - 3.4 AU

Year: 1813 Days

Day: 38.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,259,679 km

• M1: 49,068 km (0.115 R)
• M2: 506,688 km (0.054 R)

Asteroid Belt

Center: 4.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.4

Radius: 11.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.45 AU - 5.57 AU

Year: 4797 Days

Day: 8.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,259,679 km

• M1: 140,472 km (0.077 R)
• M2: 627,413 km (0.095 R)
• M3: 1,610,421 km (0.076 R)
• M4: 2,457,594 km (0.074 R)
• M5: 4,036,151 km (0.059 R)
• M6: 6,487,312 km (0.119 R)
• M7: 8,917,379 km (0.098 R)
• M8: 18,560,757 km (0.099 R)
• M9: 20,114,930 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.1

Radius: 14.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.74 AU - 7.38 AU

Year: 5532 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,259,679 km

• M1: 181,612 km (0.07 R)
• M2: 816,505 km (0.088 R)
• M3: 1,835,267 km (0.036 R)
• M4: 2,324,452 km (0.119 R)
• M5: 3,215,756 km (0.08 R)
• M6: 3,720,499 km (0.11 R)
• M7: 5,820,554 km (0.102 R)
• M8: 7,743,335 km (0.057 R)
• M9: 8,395,283 km (0.12 R)
• M10: 9,005,343 km (0.109 R)
• M11: 11,423,144 km (0.101 R)
• M12: 12,658,822 km (0.052 R)
• M13: 13,309,274 km (0.025 R)
• M14: 14,246,654 km (0.112 R)
• M15: 14,895,610 km (0.068 R)
• M16: 16,723,396 km (0.063 R)
• M17: 17,939,328 km (0.111 R)
• M18: 18,441,827 km (0.072 R)
• M19: 19,739,439 km (0.11 R)
• M20: 20,207,830 km (0.091 R)
• M21: 22,084,086 km (0.053 R)
• M22: 22,880,845 km (0.078 R)
• M23: 27,902,845 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.1

Radius: 10.8

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.38 AU - 6.7 AU

Year: 6203 Days

Day: 5.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,259,679 km

• M1: 134,937 km (0.064 R)
• M2: 535,411 km (0.038 R)
• M3: 1,062,444 km (0.114 R)
• M4: 1,427,313 km (0.115 R)
• M5: 1,965,866 km (0.077 R)
• M6: 2,334,325 km (0.119 R)
• M7: 2,964,880 km (0.12 R)
• M8: 4,094,793 km (0.101 R)
• M9: 7,072,838 km (0.115 R)
• M10: 7,445,037 km (0.096 R)
• M11: 9,732,538 km (0.097 R)
• M12: 10,573,578 km (0.086 R)
• M13: 12,029,464 km (0.069 R)
• M14: 12,723,748 km (0.082 R)
• M15: 14,309,784 km (0.064 R)
• M16: 15,273,195 km (0.11 R)
• M17: 18,007,844 km (0.112 R)
• M18: 19,782,074 km (0.115 R)
• M19: 21,514,717 km (0.101 R)
• M20: 32,630,886 km (0.104 R)
• M21: 35,366,732 km (0.1 R)
• M22: 37,460,354 km (0.064 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.4

Radius: 14.6

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.72 AU - 9.06 AU

Year: 8219 Days

Day: 8.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,259,679 km

• M1: 181,612 km (0.118 R)
• M2: 879,187 km (0.107 R)
• M3: 1,669,213 km (0.046 R)
• M4: 2,288,847 km (0.045 R)
• M5: 3,469,175 km (0.065 R)
• M6: 4,331,158 km (0.098 R)
• M7: 4,874,946 km (0.05 R)
• M8: 5,790,186 km (0.098 R)
• M9: 7,963,095 km (0.11 R)
• M10: 9,738,223 km (0.101 R)
• M11: 11,146,837 km (0.105 R)
• M12: 12,829,962 km (0.11 R)
• M13: 15,045,507 km (0.111 R)
• M14: 16,021,633 km (0.119 R)
• M15: 17,564,585 km (0.084 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 11,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit