🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.7 AU - 0.92 AU

Year: 225 Days

Day: 15.9 Hours

Environment

Temp: 239 °C

Axial Tilt: 34 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,224,667 km

• M1: 73,901 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.36 AU - 8.22 AU

Year: 5462 Days

Day: 22.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 12.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 18.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.9

Radius: 5.7

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 14.25 AU - 23.35 AU

Year: 25163 Days

Day: 18.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,224,667 km

• M1: 71,059 km (0.069 R)
• M2: 812,466 km (0.12 R)
• M3: 1,106,875 km (0.112 R)
• M4: 1,308,981 km (0.11 R)
• M5: 1,759,421 km (0.098 R)
• M6: 2,119,054 km (0.087 R)
• M7: 2,901,152 km (0.091 R)
• M8: 4,384,863 km (0.119 R)
• M9: 6,890,478 km (0.103 R)
• M10: 7,501,884 km (0.057 R)
• M11: 11,111,980 km (0.107 R)
• M12: 15,734,854 km (0.039 R)
• M13: 16,060,379 km (0.12 R)
• M14: 18,107,925 km (0.074 R)
• M15: 18,900,345 km (0.087 R)
• M16: 21,336,995 km (0.108 R)
• M17: 24,319,527 km (0.096 R)
• M18: 26,181,722 km (0.088 R)
• M19: 28,424,044 km (0.117 R)
• M20: 30,791,131 km (0.107 R)
• M21: 33,179,761 km (0.064 R)
• M22: 36,590,891 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 22.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.7

Radius: 5.7

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 21.33 AU - 23.07 AU

Year: 32289 Days

Day: 24.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 81,224,667 km

• M1: 70,909 km (0.11 R)
• M2: 361,578 km (0.112 R)
• M3: 958,773 km (0.096 R)
• M4: 2,284,060 km (0.103 R)
• M5: 2,656,110 km (0.059 R)
• M6: 4,082,376 km (0.106 R)
• M7: 4,282,389 km (0.079 R)
• M8: 4,559,145 km (0.094 R)
• M9: 4,996,868 km (0.111 R)
• M10: 5,582,693 km (0.075 R)
• M11: 5,997,977 km (0.039 R)
• M12: 6,300,763 km (0.093 R)
• M13: 7,465,981 km (0.08 R)
• M14: 9,045,884 km (0.071 R)
• M15: 9,618,545 km (0.099 R)
• M16: 13,499,263 km (0.077 R)
• M17: 17,165,458 km (0.067 R)
• M18: 19,132,670 km (0.106 R)
• M19: 19,599,864 km (0.063 R)
• M20: 20,363,113 km (0.104 R)
• M21: 21,245,291 km (0.09 R)
• M22: 22,771,788 km (0.104 R)
• M23: 22,980,627 km (0.085 R)
• M24: 27,906,585 km (0.105 R)
• M25: 32,031,896 km (0.099 R)
• M26: 33,627,507 km (0.049 R)
• M27: 35,695,398 km (0.117 R)
• M28: 39,779,719 km (0.043 R)
• M29: 41,001,485 km (0.095 R)
• M30: 42,880,584 km (0.068 R)
• M31: 44,653,020 km (0.064 R)
• M32: 49,383,603 km (0.087 R)
• M33: 54,437,618 km (0.103 R)
• M34: 57,281,773 km (0.078 R)
• M35: 59,627,318 km (0.064 R)
• M36: 60,623,191 km (0.093 R)
• M37: 61,630,134 km (0.059 R)
• M38: 64,508,846 km (0.046 R)
• M39: 70,311,298 km (0.064 R)
• M40: 73,225,166 km (0.112 R)
• M41: 77,391,317 km (0.068 R)
• M42: 80,496,520 km (0.067 R)

Kuiper Belt

Range: 35.6 - 51.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 16,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit