🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.48 AU - 0.64 AU

Year: 155 Days

Day: 26.5 Hours

Environment

Temp: 195 °C

Axial Tilt: 18.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.7 AU - 0.9 AU

Year: 264 Days

Day: 13.4 Hours

Environment

Temp: 126 °C

Axial Tilt: 53.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.71 AU - 1.18 AU

Year: 336 Days

Day: 29.1 Hours

Environment

Temp: 44 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 20,851,192 km

• M1: 21,093 km (0.087 R)
• M2: 421,268 km (0.063 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.01 AU - 2.71 AU

Year: 1338 Days

Day: 28.3 Hours

Environment

Temp: -75 °C

Axial Tilt: 45.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.85 AU - 3.01 AU

Year: 1850 Days

Day: 18.4 Hours

Environment

Temp: -97 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.3

Radius: 14

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.94 AU - 5.38 AU

Year: 3712 Days

Day: 8.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,851,192 km

• M1: 174,282 km (0.069 R)
• M2: 764,894 km (0.102 R)
• M3: 1,386,473 km (0.108 R)
• M4: 2,338,514 km (0.114 R)
• M5: 2,908,931 km (0.101 R)
• M6: 4,563,483 km (0.071 R)
• M7: 5,175,787 km (0.117 R)
• M8: 5,814,720 km (0.075 R)
• M9: 7,028,108 km (0.08 R)
• M10: 8,765,538 km (0.082 R)
• M11: 9,833,517 km (0.108 R)
• M12: 10,943,982 km (0.091 R)
• M13: 11,596,079 km (0.083 R)
• M14: 12,273,907 km (0.05 R)
• M15: 13,908,712 km (0.05 R)
• M16: 14,467,460 km (0.057 R)
• M17: 15,307,004 km (0.102 R)
• M18: 15,957,904 km (0.117 R)
• M19: 19,117,710 km (0.071 R)
• M20: 20,910,641 km (0.049 R)
• M21: 21,712,336 km (0.093 R)
• M22: 22,534,526 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266

Radius: 11.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.58 AU - 6.18 AU

Year: 4604 Days

Day: 9.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,851,192 km

• M1: 146,756 km (0.114 R)
• M2: 689,796 km (0.096 R)
• M3: 4,245,438 km (0.027 R)
• M4: 5,344,833 km (0.027 R)
• M5: 5,988,104 km (0.085 R)
• M6: 15,593,932 km (0.088 R)
• M7: 18,066,187 km (0.103 R)
• M8: 19,573,685 km (0.076 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 14,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit