🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.59 AU - 0.63 AU

Year: 179 Days

Day: 38.2 Hours

Environment

Temp: 199 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.56 AU - 0.76 AU

Year: 202 Days

Day: 26 Hours

Environment

Temp: 196 °C

Axial Tilt: 152.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.71 AU - 0.8 AU

Year: 245 Days

Day: 13.1 Hours

Environment

Temp: 95 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.69 AU - 0.97 AU

Year: 285 Days

Day: 43.3 Hours

Environment

Temp: 136 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,553,686 km

• M1: 41,887 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.74 AU - 1.1 AU

Year: 332 Days

Day: 27.8 Hours

Environment

Temp: 24 °C

Axial Tilt: 25.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.28 AU - 1.6 AU

Year: 651 Days

Day: 28.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.38 AU - 1.9 AU

Year: 791 Days

Day: 34.5 Hours

Environment

Temp: -66 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,553,686 km

• M1: 77,940 km (0.025 R)

Asteroid Belt

Center: 4.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513

Radius: 9.6

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.74 AU - 7.02 AU

Year: 6071 Days

Day: 6.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,553,686 km

• M1: 119,379 km (0.074 R)
• M2: 517,758 km (0.111 R)
• M3: 992,881 km (0.082 R)
• M4: 1,319,902 km (0.088 R)
• M5: 2,262,069 km (0.11 R)
• M6: 4,075,944 km (0.089 R)
• M7: 6,122,891 km (0.103 R)
• M8: 7,709,676 km (0.079 R)
• M9: 8,193,176 km (0.064 R)
• M10: 9,262,203 km (0.075 R)
• M11: 10,874,868 km (0.116 R)
• M12: 12,313,401 km (0.08 R)
• M13: 14,479,428 km (0.075 R)
• M14: 16,887,655 km (0.06 R)
• M15: 18,546,396 km (0.08 R)
• M16: 19,077,917 km (0.099 R)
• M17: 23,702,436 km (0.085 R)
• M18: 25,613,699 km (0.112 R)
• M19: 27,454,052 km (0.063 R)
• M20: 28,144,446 km (0.114 R)
• M21: 28,935,071 km (0.027 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.4

Radius: 14.6

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.56 AU - 9.16 AU

Year: 9106 Days

Day: 11.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,553,686 km

• M1: 184,005 km (0.103 R)
• M2: 673,041 km (0.105 R)
• M3: 1,695,243 km (0.054 R)
• M4: 2,272,392 km (0.033 R)
• M5: 4,621,976 km (0.084 R)
• M6: 5,250,586 km (0.066 R)
• M7: 6,435,700 km (0.089 R)
• M8: 8,106,559 km (0.087 R)
• M9: 9,449,649 km (0.118 R)
• M10: 10,092,321 km (0.067 R)
• M11: 10,721,081 km (0.083 R)
• M12: 11,198,747 km (0.06 R)
• M13: 11,827,357 km (0.114 R)
• M14: 16,389,793 km (0.085 R)
• M15: 18,716,190 km (0.09 R)
• M16: 25,597,692 km (0.04 R)

Asteroid Belt

Center: 12.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 16.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.2

Radius: 6.2

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 14.12 AU - 17.96 AU

Year: 24201 Days

Day: 22.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,553,686 km

• M1: 78,988 km (0.105 R)
• M2: 761,154 km (0.086 R)
• M3: 1,215,333 km (0.067 R)
• M4: 5,024,544 km (0.08 R)
• M5: 6,304,653 km (0.087 R)
• M6: 9,912,654 km (0.103 R)
• M7: 14,013,730 km (0.092 R)
• M8: 15,406,337 km (0.069 R)
• M9: 16,888,852 km (0.054 R)
• M10: 19,370,830 km (0.083 R)
• M11: 21,541,645 km (0.093 R)
• M12: 28,148,784 km (0.101 R)
• M13: 28,472,664 km (0.062 R)
• M14: 32,793,349 km (0.093 R)
• M15: 36,115,918 km (0.095 R)
• M16: 43,998,230 km (0.119 R)
• M17: 51,009,284 km (0.093 R)
• M18: 52,789,648 km (0.116 R)
• M19: 54,778,552 km (0.105 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: 221 - 13,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit