🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.47 AU - 0.57 AU

Year: 135 Days

Day: 34.2 Hours

Environment

Temp: 222 °C

Axial Tilt: 0.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,471,244 km

• M1: 255,214 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.58 AU - 0.7 AU

Year: 184 Days

Day: 26.3 Hours

Environment

Temp: 191 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.19 AU - 1.43 AU

Year: 540 Days

Day: 14.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.05 AU - 5.17 AU

Year: 3562 Days

Day: 34.2 Hours

Environment

Temp: -126 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309

Radius: 12.9

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.92 AU - 6.44 AU

Year: 4243 Days

Day: 9.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,471,244 km

• M1: 160,519 km (0.093 R)
• M2: 722,109 km (0.116 R)
• M3: 1,272,928 km (0.107 R)
• M4: 1,903,035 km (0.093 R)
• M5: 2,673,763 km (0.105 R)
• M6: 3,244,179 km (0.119 R)
• M7: 3,700,603 km (0.093 R)
• M8: 4,928,053 km (0.083 R)
• M9: 5,384,476 km (0.035 R)
• M10: 6,135,906 km (0.078 R)
• M11: 7,752,461 km (0.048 R)
• M12: 8,745,791 km (0.111 R)
• M13: 10,785,258 km (0.094 R)
• M14: 11,228,367 km (0.111 R)
• M15: 12,720,307 km (0.109 R)
• M16: 13,676,686 km (0.114 R)
• M17: 14,534,181 km (0.099 R)
• M18: 15,784,071 km (0.104 R)
• M19: 16,727,585 km (0.118 R)
• M20: 17,819,500 km (0.047 R)
• M21: 19,427,378 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.6

Radius: 12.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.87 AU - 6.61 AU

Year: 4949 Days

Day: 9.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,471,244 km

• M1: 159,322 km (0.095 R)
• M2: 1,182,870 km (0.095 R)
• M3: 2,179,791 km (0.102 R)
• M4: 2,623,498 km (0.12 R)
• M5: 4,333,402 km (0.099 R)
• M6: 7,540,481 km (0.092 R)
• M7: 8,060,932 km (0.046 R)
• M8: 8,605,169 km (0.055 R)
• M9: 9,448,003 km (0.051 R)
• M10: 9,889,616 km (0.091 R)
• M11: 10,556,523 km (0.073 R)
• M12: 14,936,300 km (0.025 R)
• M13: 15,759,088 km (0.101 R)
• M14: 17,675,587 km (0.099 R)
• M15: 18,162,677 km (0.08 R)
• M16: 19,548,702 km (0.092 R)
• M17: 20,135,574 km (0.077 R)
• M18: 25,109,105 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.8

Radius: 9.2

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.35 AU - 6.35 AU

Year: 5092 Days

Day: 6.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,471,244 km

• M1: 114,442 km (0.117 R)
• M2: 575,503 km (0.117 R)
• M3: 886,966 km (0.113 R)
• M4: 2,573,083 km (0.075 R)
• M5: 4,619,582 km (0.086 R)
• M6: 6,445,125 km (0.118 R)
• M7: 8,196,168 km (0.119 R)
• M8: 8,819,393 km (0.063 R)
• M9: 10,036,970 km (0.059 R)
• M10: 10,923,188 km (0.063 R)
• M11: 11,769,164 km (0.097 R)
• M12: 14,307,391 km (0.063 R)
• M13: 16,607,757 km (0.046 R)
• M14: 18,767,053 km (0.054 R)
• M15: 25,889,856 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.6

Radius: 11.1

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.16 AU - 8.22 AU

Year: 7675 Days

Day: 12.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,471,244 km

• M1: 138,079 km (0.099 R)
• M2: 580,589 km (0.096 R)
• M3: 940,073 km (0.119 R)
• M4: 1,953,449 km (0.031 R)
• M5: 2,599,712 km (0.084 R)
• M6: 3,274,997 km (0.112 R)
• M7: 3,867,554 km (0.1 R)
• M8: 4,476,716 km (0.093 R)
• M9: 4,974,728 km (0.045 R)
• M10: 6,520,223 km (0.095 R)
• M11: 7,535,843 km (0.09 R)
• M12: 10,249,399 km (0.107 R)
• M13: 11,116,917 km (0.072 R)
• M14: 11,467,275 km (0.11 R)
• M15: 11,928,635 km (0.097 R)
• M16: 12,349,155 km (0.12 R)
• M17: 14,483,019 km (0.118 R)
• M18: 21,025,083 km (0.053 R)
• M19: 26,723,864 km (0.117 R)
• M20: 27,353,971 km (0.079 R)
• M21: 28,737,601 km (0.109 R)
• M22: 30,070,518 km (0.103 R)
• M23: 31,743,920 km (0.067 R)
• M24: 34,847,178 km (0.064 R)
• M25: 36,914,023 km (0.033 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 17,310 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit