🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.55 AU - 0.69 AU

Year: 177 Days

Day: 23.7 Hours

Environment

Temp: 206 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 103,455,326 km

• M1: 37,848 km (0.027 R)
• M2: 248,332 km (0.028 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.57 AU - 0.69 AU

Year: 181 Days

Day: 37 Hours

Environment

Temp: 229 °C

Axial Tilt: 8.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.42 AU - 1.52 AU

Year: 645 Days

Day: 22.5 Hours

Environment

Temp: -39 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.8 AU - 2.44 AU

Year: 1116 Days

Day: 15.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.6 AU - 2.86 AU

Year: 1631 Days

Day: 18.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,455,326 km

• M1: 1,522,458 km (0.086 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.34 AU - 4.3 AU

Year: 2700 Days

Day: 20 Hours

Environment

Temp: -126 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,455,326 km

• M1: 3,450,026 km (0.092 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.11 AU - 4.53 AU

Year: 3247 Days

Day: 15.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,455,326 km

• M1: 157,676 km (0.079 R)
• M2: 2,981,934 km (0.07 R)

Asteroid Belt

Center: 10.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.8

Radius: 7.9

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 15.05 AU - 16.37 AU

Year: 22519 Days

Day: 19.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 103,455,326 km

• M1: 104,419 km (0.113 R)
• M2: 392,545 km (0.088 R)
• M3: 658,679 km (0.088 R)
• M4: 1,980,526 km (0.113 R)
• M5: 3,070,646 km (0.082 R)
• M6: 5,156,788 km (0.04 R)
• M7: 12,425,749 km (0.082 R)
• M8: 16,738,655 km (0.089 R)
• M9: 18,428,363 km (0.034 R)
• M10: 19,616,021 km (0.05 R)
• M11: 26,646,522 km (0.09 R)
• M12: 32,205,280 km (0.112 R)
• M13: 32,812,647 km (0.09 R)
• M14: 43,744,661 km (0.1 R)
• M15: 44,940,397 km (0.08 R)
• M16: 53,587,304 km (0.04 R)
• M17: 58,119,970 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.9

Radius: 4.6

Gravity: 36.05 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 16.07 AU - 22.01 AU

Year: 30046 Days

Day: 23.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 103,455,326 km

• M1: 57,446 km (0.066 R)
• M2: 227,090 km (0.115 R)
• M3: 372,499 km (0.12 R)
• M4: 650,302 km (0.062 R)
• M5: 1,001,109 km (0.097 R)
• M6: 1,348,326 km (0.084 R)
• M7: 1,751,641 km (0.074 R)
• M8: 2,933,614 km (0.096 R)
• M9: 3,078,275 km (0.117 R)
• M10: 6,381,396 km (0.11 R)
• M11: 6,976,945 km (0.076 R)
• M12: 7,663,151 km (0.056 R)
• M13: 8,393,338 km (0.103 R)
• M14: 9,354,355 km (0.063 R)
• M15: 11,563,766 km (0.092 R)
• M16: 11,926,391 km (0.101 R)
• M17: 14,512,041 km (0.09 R)
• M18: 16,068,906 km (0.106 R)
• M19: 17,073,156 km (0.119 R)
• M20: 21,185,153 km (0.081 R)
• M21: 21,401,172 km (0.109 R)
• M22: 25,179,865 km (0.104 R)
• M23: 26,158,684 km (0.11 R)
• M24: 26,909,067 km (0.104 R)
• M25: 30,190,945 km (0.063 R)
• M26: 30,464,559 km (0.08 R)
• M27: 35,068,733 km (0.109 R)
• M28: 38,010,725 km (0.108 R)
• M29: 40,945,685 km (0.104 R)
• M30: 46,712,234 km (0.115 R)
• M31: 52,996,990 km (0.075 R)
• M32: 55,211,039 km (0.119 R)
• M33: 64,910,815 km (0.116 R)
• M34: 84,033,612 km (0.085 R)
• M35: 86,212,355 km (0.088 R)
• M36: 87,039,033 km (0.101 R)
• M37: 99,777,441 km (0.12 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 15,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit