🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.67 AU - 0.71 AU

Year: 208 Days

Day: 31.1 Hours

Environment

Temp: 200 °C

Axial Tilt: 3.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 95,452,606 km

• M1: 45,627 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.6 AU - 0.88 AU

Year: 231 Days

Day: 20.9 Hours

Environment

Temp: 118 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.95 AU - 1.09 AU

Year: 374 Days

Day: 19.7 Hours

Environment

Temp: 40 °C

Axial Tilt: 24.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 95,452,606 km

• M1: 28,274 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.87 AU - 1.31 AU

Year: 414 Days

Day: 14.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 16.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 95,452,606 km

• M1: 10,921 km (0.032 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.77 AU - 2.63 AU

Year: 1186 Days

Day: 12.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.13 AU - 2.31 AU

Year: 1202 Days

Day: 34.5 Hours

Environment

Temp: -78 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.42 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.7

Radius: 5

Gravity: 27.99 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 9.94 AU - 15.3 AU

Year: 16294 Days

Day: 16.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 95,452,606 km

• M1: 66,721 km (0.11 R)
• M2: 233,971 km (0.066 R)
• M3: 451,636 km (0.086 R)
• M4: 885,320 km (0.106 R)
• M5: 1,156,541 km (0.108 R)
• M6: 1,724,863 km (0.057 R)
• M7: 1,975,589 km (0.082 R)
• M8: 2,209,710 km (0.116 R)
• M9: 2,440,390 km (0.082 R)
• M10: 2,900,852 km (0.043 R)
• M11: 4,698,570 km (0.119 R)
• M12: 4,869,859 km (0.099 R)
• M13: 6,820,017 km (0.116 R)
• M14: 7,355,578 km (0.091 R)
• M15: 10,004,208 km (0.094 R)
• M16: 12,560,088 km (0.08 R)
• M17: 12,890,699 km (0.084 R)
• M18: 14,704,124 km (0.098 R)
• M19: 14,997,486 km (0.101 R)
• M20: 15,824,313 km (0.039 R)
• M21: 16,444,396 km (0.1 R)
• M22: 18,401,735 km (0.109 R)
• M23: 22,000,162 km (0.059 R)
• M24: 29,609,159 km (0.04 R)
• M25: 41,509,370 km (0.106 R)
• M26: 42,242,549 km (0.113 R)
• M27: 43,433,498 km (0.075 R)
• M28: 48,098,857 km (0.086 R)
• M29: 50,054,849 km (0.1 R)
• M30: 56,597,811 km (0.085 R)
• M31: 57,498,989 km (0.098 R)
• M32: 60,259,967 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.2

Radius: 7

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 17.69 AU - 20.35 AU

Year: 30147 Days

Day: 25 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 95,452,606 km

• M1: 87,365 km (0.087 R)
• M2: 396,135 km (0.101 R)
• M3: 633,996 km (0.06 R)
• M4: 1,187,807 km (0.058 R)
• M5: 5,700,576 km (0.061 R)
• M6: 10,832,681 km (0.095 R)
• M7: 11,653,674 km (0.103 R)
• M8: 12,886,809 km (0.115 R)
• M9: 14,937,497 km (0.105 R)
• M10: 19,179,345 km (0.114 R)
• M11: 20,685,945 km (0.113 R)
• M12: 21,100,780 km (0.108 R)
• M13: 21,521,000 km (0.047 R)
• M14: 21,839,793 km (0.082 R)
• M15: 24,046,661 km (0.077 R)
• M16: 25,558,198 km (0.086 R)
• M17: 29,677,974 km (0.12 R)
• M18: 30,739,370 km (0.08 R)
• M19: 34,219,466 km (0.106 R)
• M20: 40,966,479 km (0.11 R)
• M21: 41,292,752 km (0.062 R)
• M22: 49,097,572 km (0.092 R)
• M23: 50,021,040 km (0.048 R)
• M24: 51,902,832 km (0.12 R)
• M25: 53,054,286 km (0.06 R)
• M26: 61,595,278 km (0.066 R)
• M27: 69,377,060 km (0.103 R)
• M28: 76,795,020 km (0.114 R)
• M29: 93,463,962 km (0.117 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 16,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit