🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.67 AU - 0.74 AU

Year: 219 Days

Day: 12.9 Hours

Environment

Temp: 187 °C

Axial Tilt: 33.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 17,050,420 km

• M1: 26,778 km (0.044 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.77 AU - 1.09 AU

Year: 336 Days

Day: 32.9 Hours

Environment

Temp: 29 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.36 AU - 1.44 AU

Year: 621 Days

Day: 30 Hours

Environment

Temp: -30 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 17,050,420 km

• M1: 572,361 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.46 AU - 1.56 AU

Year: 695 Days

Day: 40 Hours

Environment

Temp: -40 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.29 AU - 3.73 AU

Year: 1957 Days

Day: 41 Hours

Environment

Temp: -105 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.78 AU - 8.68 AU

Year: 7285 Days

Day: 12.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 17,050,420 km

• M1: 272,418 km (0.066 R)
• M2: 1,206,507 km (0.1 R)
• M3: 1,493,436 km (0.072 R)
• M4: 1,865,037 km (0.115 R)
• M5: 2,223,922 km (0.12 R)
• M6: 3,752,962 km (0.108 R)
• M7: 4,168,545 km (0.104 R)
• M8: 7,043,666 km (0.071 R)
• M9: 7,746,477 km (0.099 R)
• M10: 9,607,175 km (0.108 R)
• M11: 11,566,159 km (0.101 R)
• M12: 13,777,515 km (0.07 R)
• M13: 16,600,427 km (0.12 R)
• M14: 16,890,796 km (0.075 R)
• M15: 17,243,548 km (0.101 R)
• M16: 17,541,398 km (0.09 R)
• M17: 22,572,075 km (0.079 R)
• M18: 23,072,180 km (0.117 R)
• M19: 23,872,978 km (0.063 R)
• M20: 25,684,608 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.7

Radius: 10.3

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.55 AU - 9.23 AU

Year: 8305 Days

Day: 10.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,050,420 km

• M1: 128,804 km (0.101 R)
• M2: 575,952 km (0.044 R)
• M3: 944,262 km (0.054 R)
• M4: 1,269,039 km (0.108 R)
• M5: 2,243,370 km (0.097 R)
• M6: 2,852,383 km (0.115 R)
• M7: 3,838,382 km (0.087 R)
• M8: 4,647,856 km (0.059 R)
• M9: 5,448,953 km (0.115 R)
• M10: 6,159,244 km (0.062 R)
• M11: 8,663,063 km (0.112 R)
• M12: 9,255,171 km (0.1 R)
• M13: 10,374,463 km (0.055 R)
• M14: 11,699,601 km (0.111 R)
• M15: 16,104,061 km (0.057 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 13,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit