🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.5 AU - 0.68 AU

Year: 207 Days

Day: 28.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 49.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 29,317,691 km

• M1: 20,345 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.56 AU - 0.7 AU

Year: 228 Days

Day: 33 Hours

Environment

Temp: -1 °C

Axial Tilt: 49.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.86 AU - 0.94 AU

Year: 390 Days

Day: 44.9 Hours

Environment

Temp: -68 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.89 AU - 1.11 AU

Year: 457 Days

Day: 27.5 Hours

Environment

Temp: -84 °C

Axial Tilt: 148 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.42 AU - 1.64 AU

Year: 864 Days

Day: 16.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.42 AU - 2.02 AU

Year: 1030 Days

Day: 18.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.7

Radius: 8.4

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.17 AU - 3.45 AU

Year: 2749 Days

Day: 8.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,317,691 km

• M1: 104,419 km (0.091 R)
• M2: 368,908 km (0.07 R)
• M3: 682,166 km (0.116 R)
• M4: 1,194,389 km (0.056 R)
• M5: 1,557,314 km (0.094 R)
• M6: 1,827,637 km (0.111 R)
• M7: 2,623,797 km (0.103 R)
• M8: 2,994,201 km (0.119 R)
• M9: 3,689,233 km (0.072 R)
• M10: 4,530,272 km (0.092 R)
• M11: 5,276,616 km (0.054 R)
• M12: 6,560,016 km (0.069 R)
• M13: 7,820,528 km (0.082 R)
• M14: 8,757,160 km (0.066 R)
• M15: 9,551,674 km (0.074 R)
• M16: 10,243,565 km (0.099 R)
• M17: 10,735,891 km (0.055 R)
• M18: 11,403,397 km (0.029 R)
• M19: 12,821,136 km (0.081 R)
• M20: 14,074,018 km (0.087 R)
• M21: 16,255,753 km (0.117 R)
• M22: 16,665,801 km (0.12 R)
• M23: 17,188,197 km (0.105 R)
• M24: 17,829,523 km (0.091 R)

Asteroid Belt

Center: 3.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.2

Radius: 11.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.9 AU - 4.46 AU

Year: 3902 Days

Day: 11.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,317,691 km

• M1: 141,968 km (0.08 R)
• M2: 691,890 km (0.097 R)
• M3: 1,148,762 km (0.099 R)
• M4: 1,851,274 km (0.119 R)
• M5: 2,406,731 km (0.081 R)
• M6: 2,898,010 km (0.045 R)
• M7: 3,561,327 km (0.089 R)
• M8: 4,123,067 km (0.057 R)
• M9: 5,213,635 km (0.089 R)
• M10: 6,144,284 km (0.096 R)
• M11: 6,814,781 km (0.053 R)
• M12: 7,713,117 km (0.061 R)
• M13: 9,958,730 km (0.099 R)
• M14: 11,231,359 km (0.04 R)
• M15: 13,871,463 km (0.113 R)
• M16: 16,092,841 km (0.089 R)
• M17: 17,734,828 km (0.079 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.4

Radius: 12.7

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.79 AU - 5.33 AU

Year: 5197 Days

Day: 9.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,317,691 km

• M1: 159,172 km (0.101 R)
• M2: 586,723 km (0.099 R)
• M3: 2,182,334 km (0.092 R)
• M4: 2,779,828 km (0.111 R)
• M5: 3,302,822 km (0.072 R)
• M6: 4,234,368 km (0.066 R)
• M7: 5,529,736 km (0.113 R)
• M8: 6,551,340 km (0.053 R)
• M9: 7,073,885 km (0.049 R)
• M10: 7,766,224 km (0.077 R)
• M11: 9,820,651 km (0.048 R)
• M12: 10,906,283 km (0.111 R)
• M13: 11,362,257 km (0.09 R)
• M14: 13,995,778 km (0.074 R)
• M15: 16,412,831 km (0.073 R)
• M16: 19,161,842 km (0.078 R)
• M17: 19,826,954 km (0.096 R)
• M18: 20,784,081 km (0.083 R)
• M19: 24,223,336 km (0.08 R)
• M20: 25,079,933 km (0.11 R)
• M21: 25,475,919 km (0.091 R)
• M22: 28,110,038 km (0.027 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 14,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit