🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.39 AU - 0.63 AU

Year: 129 Days

Day: 19.5 Hours

Environment

Temp: 221 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.78 AU - 1.16 AU

Year: 337 Days

Day: 16.8 Hours

Environment

Temp: 142 °C

Axial Tilt: 16.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.28 AU - 1.38 AU

Year: 542 Days

Day: 40.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 20.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,841,550 km

• M1: 33,510 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.18 AU - 1.5 AU

Year: 548 Days

Day: 28.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 17.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,841,550 km

• M1: 23,936 km (0.09 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.49 AU - 1.77 AU

Year: 735 Days

Day: 43.2 Hours

Environment

Temp: -26 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.7

Radius: 12.4

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.46 AU - 7.5 AU

Year: 5825 Days

Day: 8.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 57.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,841,550 km

• M1: 164,109 km (0.071 R)
• M2: 863,629 km (0.113 R)
• M3: 1,542,504 km (0.101 R)
• M4: 2,205,821 km (0.081 R)
• M5: 3,034,443 km (0.096 R)
• M6: 3,431,925 km (0.114 R)
• M7: 6,727,117 km (0.102 R)
• M8: 7,176,509 km (0.065 R)
• M9: 7,784,026 km (0.114 R)
• M10: 11,575,584 km (0.115 R)
• M11: 13,946,860 km (0.12 R)
• M12: 15,438,650 km (0.076 R)
• M13: 17,211,534 km (0.114 R)
• M14: 18,425,072 km (0.086 R)
• M15: 19,244,120 km (0.099 R)
• M16: 19,955,758 km (0.107 R)
• M17: 25,748,786 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.1

Radius: 13.1

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.41 AU - 11.85 AU

Year: 11384 Days

Day: 9.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,841,550 km

• M1: 162,912 km (0.108 R)
• M2: 644,168 km (0.08 R)
• M3: 1,261,708 km (0.115 R)
• M4: 2,087,339 km (0.079 R)
• M5: 3,074,386 km (0.096 R)
• M6: 3,931,731 km (0.118 R)
• M7: 4,778,605 km (0.111 R)
• M8: 6,571,086 km (0.112 R)
• M9: 7,796,443 km (0.077 R)
• M10: 8,327,216 km (0.109 R)
• M11: 11,103,603 km (0.113 R)
• M12: 12,521,641 km (0.039 R)
• M13: 14,008,644 km (0.108 R)
• M14: 19,414,961 km (0.074 R)
• M15: 20,206,932 km (0.089 R)

Asteroid Belt

Center: 12.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.5

Radius: 4

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 12.78 AU - 17.62 AU

Year: 20925 Days

Day: 24.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,841,550 km

• M1: 381,624 km (0.12 R)
• M2: 524,490 km (0.094 R)
• M3: 799,451 km (0.086 R)
• M4: 1,265,149 km (0.058 R)
• M5: 1,831,976 km (0.032 R)
• M6: 2,247,858 km (0.089 R)
• M7: 2,589,689 km (0.066 R)
• M8: 3,198,552 km (0.116 R)
• M9: 3,872,790 km (0.113 R)
• M10: 4,835,751 km (0.082 R)
• M11: 4,981,011 km (0.083 R)
• M12: 5,159,331 km (0.086 R)
• M13: 7,410,779 km (0.095 R)
• M14: 8,621,924 km (0.112 R)
• M15: 9,229,889 km (0.105 R)
• M16: 10,052,827 km (0.095 R)
• M17: 11,582,914 km (0.088 R)
• M18: 13,894,351 km (0.093 R)
• M19: 14,129,369 km (0.096 R)
• M20: 17,226,943 km (0.109 R)
• M21: 21,836,203 km (0.059 R)
• M22: 24,893,235 km (0.117 R)
• M23: 26,120,536 km (0.055 R)
• M24: 26,299,156 km (0.073 R)
• M25: 34,235,174 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.9

Radius: 6.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 14.28 AU - 20.22 AU

Year: 25298 Days

Day: 17.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,841,550 km

• M1: 315,352 km (0.099 R)
• M2: 1,262,307 km (0.072 R)
• M3: 1,596,957 km (0.069 R)
• M4: 2,501,127 km (0.105 R)
• M5: 3,208,575 km (0.095 R)
• M6: 5,011,678 km (0.059 R)
• M7: 6,485,816 km (0.078 R)
• M8: 7,561,873 km (0.109 R)
• M9: 11,180,197 km (0.064 R)
• M10: 13,419,976 km (0.11 R)
• M11: 16,482,544 km (0.094 R)
• M12: 25,925,461 km (0.112 R)

Kuiper Belt

Range: 31.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 13,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit