🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.42 AU - 0.7 AU

Year: 155 Days

Day: 39.6 Hours

Environment

Temp: 231 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.91 AU - 1.01 AU

Year: 349 Days

Day: 41.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 49.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.91 AU - 1.31 AU

Year: 434 Days

Day: 32.2 Hours

Environment

Temp: 22 °C

Axial Tilt: 29.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.54 AU - 1.9 AU

Year: 837 Days

Day: 45.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,992,262 km

• M1: 18,101 km (0.025 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.67 AU - 1.89 AU

Year: 881 Days

Day: 36.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,992,262 km

• M1: 1,186,162 km (0.112 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.74 AU - 2.84 AU

Year: 1285 Days

Day: 22.5 Hours

Environment

Temp: -79 °C

Axial Tilt: 152.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,992,262 km

• M1: 39,045 km (0.084 R)
• M2: 1,133,802 km (0.092 R)

Asteroid Belt

Center: 8.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.5

Radius: 4.3

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 13.12 AU - 15.5 AU

Year: 20075 Days

Day: 20.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 90.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,992,262 km

• M1: 53,556 km (0.097 R)
• M2: 464,651 km (0.11 R)
• M3: 1,174,792 km (0.116 R)
• M4: 1,395,150 km (0.105 R)
• M5: 3,462,293 km (0.08 R)
• M6: 3,837,933 km (0.111 R)
• M7: 4,352,101 km (0.111 R)
• M8: 5,319,850 km (0.047 R)
• M9: 8,978,116 km (0.116 R)
• M10: 14,656,851 km (0.105 R)
• M11: 14,978,038 km (0.067 R)
• M12: 16,241,392 km (0.092 R)
• M13: 16,585,318 km (0.117 R)
• M14: 22,007,193 km (0.116 R)
• M15: 22,343,639 km (0.102 R)
• M16: 23,548,201 km (0.081 R)
• M17: 28,700,351 km (0.069 R)
• M18: 29,203,000 km (0.111 R)
• M19: 33,215,814 km (0.061 R)
• M20: 33,436,770 km (0.072 R)
• M21: 35,353,567 km (0.109 R)
• M22: 36,749,914 km (0.029 R)
• M23: 41,413,627 km (0.118 R)
• M24: 44,152,615 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39

Radius: 6.3

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 14.81 AU - 19.83 AU

Year: 26732 Days

Day: 18.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,992,262 km

• M1: 78,688 km (0.07 R)
• M2: 440,416 km (0.098 R)
• M3: 1,759,570 km (0.028 R)
• M4: 2,629,631 km (0.104 R)
• M5: 4,455,324 km (0.088 R)
• M6: 6,957,199 km (0.104 R)
• M7: 8,565,376 km (0.116 R)
• M8: 10,406,477 km (0.053 R)
• M9: 18,223,115 km (0.115 R)
• M10: 22,619,647 km (0.086 R)
• M11: 23,015,034 km (0.075 R)
• M12: 25,827,474 km (0.061 R)
• M13: 26,521,010 km (0.082 R)
• M14: 26,872,415 km (0.093 R)
• M15: 29,046,371 km (0.111 R)
• M16: 30,367,171 km (0.119 R)
• M17: 32,623,107 km (0.088 R)
• M18: 33,433,329 km (0.034 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.6

Radius: 3.2

Gravity: 13.93 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 15.89 AU - 20.19 AU

Year: 28416 Days

Day: 17 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,992,262 km

• M1: 39,793 km (0.099 R)
• M2: 1,111,662 km (0.07 R)
• M3: 2,049,491 km (0.106 R)
• M4: 2,219,584 km (0.03 R)
• M5: 3,496,701 km (0.053 R)
• M6: 5,369,217 km (0.093 R)
• M7: 5,766,100 km (0.072 R)
• M8: 6,947,475 km (0.053 R)
• M9: 8,234,016 km (0.08 R)
• M10: 9,515,322 km (0.1 R)
• M11: 10,311,931 km (0.116 R)
• M12: 11,796,241 km (0.111 R)
• M13: 12,157,969 km (0.115 R)
• M14: 13,678,930 km (0.098 R)
• M15: 15,608,294 km (0.098 R)
• M16: 24,259,389 km (0.037 R)
• M17: 39,382,986 km (0.057 R)
• M18: 43,383,383 km (0.088 R)
• M19: 44,099,358 km (0.1 R)
• M20: 52,179,737 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 17,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit