🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.65 AU - 1.07 AU

Year: 307 Days

Day: 45.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.02 AU - 1.08 AU

Year: 414 Days

Day: 13.5 Hours

Environment

Temp: 12 °C

Axial Tilt: 9.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 30,920,608 km

• M1: 44,131 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.39 AU - 3.19 AU

Year: 1794 Days

Day: 27 Hours

Environment

Temp: -112 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,920,608 km

• M1: 1,443,769 km (0.044 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.4 AU - 3.26 AU

Year: 1833 Days

Day: 32.2 Hours

Environment

Temp: -106 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 30,920,608 km

• M1: 46,525 km (0.104 R)
• M2: 1,923,679 km (0.08 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.71 AU - 4.11 AU

Year: 2424 Days

Day: 47.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.8

Radius: 13.9

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.44 AU - 6.6 AU

Year: 4993 Days

Day: 14.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,920,608 km

• M1: 173,234 km (0.07 R)
• M2: 777,011 km (0.1 R)
• M3: 1,424,321 km (0.096 R)
• M4: 1,867,580 km (0.068 R)
• M5: 2,326,097 km (0.087 R)
• M6: 3,840,477 km (0.111 R)
• M7: 4,348,361 km (0.119 R)
• M8: 5,167,559 km (0.064 R)
• M9: 7,013,298 km (0.12 R)
• M10: 8,984,848 km (0.045 R)
• M11: 10,756,536 km (0.06 R)
• M12: 12,953,081 km (0.095 R)
• M13: 15,721,839 km (0.107 R)
• M14: 16,486,433 km (0.031 R)
• M15: 17,773,873 km (0.103 R)
• M16: 18,281,458 km (0.062 R)
• M17: 18,864,142 km (0.1 R)
• M18: 21,178,271 km (0.1 R)
• M19: 24,446,386 km (0.11 R)
• M20: 26,941,679 km (0.1 R)
• M21: 27,696,849 km (0.098 R)
• M22: 29,779,850 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.9

Radius: 11.6

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.87 AU - 6.13 AU

Year: 5658 Days

Day: 14 Hours

Environment

Temp: -169 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,920,608 km

• M1: 146,157 km (0.095 R)
• M2: 513,569 km (0.09 R)
• M3: 1,031,328 km (0.119 R)
• M4: 2,153,611 km (0.08 R)
• M5: 3,019,783 km (0.08 R)
• M6: 3,620,717 km (0.096 R)
• M7: 4,325,174 km (0.075 R)
• M8: 5,882,787 km (0.083 R)
• M9: 6,687,623 km (0.093 R)
• M10: 7,637,719 km (0.115 R)
• M11: 9,546,289 km (0.065 R)
• M12: 10,842,854 km (0.081 R)
• M13: 12,924,209 km (0.084 R)
• M14: 13,893,154 km (0.067 R)
• M15: 14,736,886 km (0.075 R)
• M16: 15,854,532 km (0.091 R)
• M17: 16,218,952 km (0.114 R)
• M18: 16,964,548 km (0.095 R)
• M19: 19,477,044 km (0.057 R)
• M20: 19,895,320 km (0.117 R)
• M21: 20,822,079 km (0.102 R)
• M22: 22,685,021 km (0.105 R)
• M23: 23,617,614 km (0.111 R)
• M24: 25,393,491 km (0.097 R)
• M25: 27,170,264 km (0.057 R)
• M26: 27,956,401 km (0.12 R)
• M27: 29,942,313 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.2

Radius: 8.5

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.85 AU - 11.83 AU

Year: 11884 Days

Day: 10.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,920,608 km

• M1: 109,057 km (0.049 R)
• M2: 604,675 km (0.068 R)
• M3: 1,360,144 km (0.107 R)
• M4: 1,743,713 km (0.115 R)
• M5: 3,144,398 km (0.079 R)
• M6: 4,265,933 km (0.082 R)
• M7: 8,145,903 km (0.1 R)
• M8: 8,964,802 km (0.083 R)
• M9: 9,837,706 km (0.107 R)
• M10: 10,675,154 km (0.089 R)
• M11: 14,672,858 km (0.076 R)
• M12: 15,764,923 km (0.066 R)
• M13: 17,981,215 km (0.112 R)
• M14: 18,566,143 km (0.084 R)
• M15: 20,891,193 km (0.094 R)
• M16: 21,176,925 km (0.096 R)
• M17: 21,683,164 km (0.111 R)
• M18: 30,736,079 km (0.105 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 16,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit