🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.93 AU - 1.27 AU

Year: 417 Days

Day: 43.5 Hours

Environment

Temp: 9 °C

Axial Tilt: 15.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.44 AU - 1.68 AU

Year: 705 Days

Day: 43.9 Hours

Environment

Temp: -38 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,063,946 km

• M1: 295,306 km (0.025 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.24 AU - 3.46 AU

Year: 2217 Days

Day: 28.9 Hours

Environment

Temp: -104 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.6

Radius: 10.8

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.16 AU - 5.62 AU

Year: 4526 Days

Day: 5.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,063,946 km

• M1: 134,339 km (0.107 R)
• M2: 528,978 km (0.048 R)
• M3: 869,313 km (0.12 R)
• M4: 2,225,867 km (0.114 R)
• M5: 2,758,734 km (0.11 R)
• M6: 5,198,526 km (0.099 R)
• M7: 5,787,493 km (0.114 R)
• M8: 6,311,983 km (0.078 R)
• M9: 7,480,342 km (0.085 R)
• M10: 8,001,242 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.3

Radius: 8

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.89 AU - 9.15 AU

Year: 7458 Days

Day: 8.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,063,946 km

• M1: 101,128 km (0.077 R)
• M2: 451,486 km (0.113 R)
• M3: 727,644 km (0.071 R)
• M4: 2,499,032 km (0.056 R)
• M5: 3,086,354 km (0.1 R)
• M6: 5,154,993 km (0.071 R)
• M7: 5,665,571 km (0.083 R)
• M8: 6,937,302 km (0.072 R)
• M9: 7,361,412 km (0.036 R)
• M10: 9,370,811 km (0.113 R)
• M11: 17,759,362 km (0.07 R)
• M12: 18,261,861 km (0.108 R)
• M13: 18,996,087 km (0.089 R)
• M14: 20,289,361 km (0.066 R)
• M15: 22,712,846 km (0.119 R)
• M16: 24,608,401 km (0.103 R)
• M17: 34,011,525 km (0.09 R)
• M18: 38,838,300 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.6

Radius: 9.3

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.59 AU - 11.27 AU

Year: 11317 Days

Day: 14.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,063,946 km

• M1: 116,836 km (0.111 R)
• M2: 444,455 km (0.06 R)
• M3: 3,410,233 km (0.099 R)
• M4: 3,926,944 km (0.103 R)
• M5: 4,630,503 km (0.054 R)
• M6: 5,415,892 km (0.118 R)
• M7: 8,162,359 km (0.074 R)
• M8: 9,211,938 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.1

Radius: 8.6

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.2 AU - 11.02 AU

Year: 11626 Days

Day: 14.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,063,946 km

• M1: 115,639 km (0.114 R)
• M2: 508,334 km (0.075 R)
• M3: 1,337,405 km (0.105 R)
• M4: 1,726,359 km (0.085 R)
• M5: 2,355,568 km (0.032 R)
• M6: 2,692,313 km (0.096 R)
• M7: 3,083,811 km (0.098 R)
• M8: 3,613,686 km (0.108 R)
• M9: 5,237,870 km (0.09 R)
• M10: 5,780,013 km (0.113 R)
• M11: 7,548,110 km (0.084 R)
• M12: 9,502,158 km (0.085 R)
• M13: 13,491,933 km (0.038 R)
• M14: 15,441,492 km (0.025 R)
• M15: 16,483,591 km (0.045 R)
• M16: 18,630,021 km (0.067 R)
• M17: 21,630,506 km (0.094 R)
• M18: 25,887,612 km (0.043 R)
• M19: 34,946,811 km (0.12 R)
• M20: 42,612,654 km (0.113 R)
• M21: 49,083,809 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285

Radius: 12.7

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 11.02 AU - 11.5 AU

Year: 13665 Days

Day: 14.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,063,946 km

• M1: 157,975 km (0.092 R)
• M2: 1,071,121 km (0.107 R)
• M3: 1,779,167 km (0.094 R)
• M4: 4,893,197 km (0.054 R)
• M5: 5,483,211 km (0.041 R)
• M6: 6,155,055 km (0.104 R)
• M7: 7,148,684 km (0.048 R)
• M8: 9,784,598 km (0.082 R)
• M9: 10,723,624 km (0.094 R)
• M10: 13,186,604 km (0.118 R)
• M11: 15,673,967 km (0.114 R)
• M12: 17,734,229 km (0.118 R)
• M13: 18,680,735 km (0.115 R)
• M14: 20,202,444 km (0.058 R)
• M15: 22,218,874 km (0.109 R)
• M16: 25,444,803 km (0.081 R)
• M17: 27,600,358 km (0.106 R)
• M18: 30,180,772 km (0.102 R)
• M19: 32,379,262 km (0.098 R)
• M20: 33,572,605 km (0.111 R)
• M21: 41,229,472 km (0.109 R)
• M22: 43,148,364 km (0.029 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 15,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit