🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.53 AU - 0.81 AU

Year: 197 Days

Day: 23.3 Hours

Environment

Temp: 161 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 115,540,659 km

• M1: 468,241 km (0.048 R)
• M2: 559,197 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.84 AU - 0.84 AU

Year: 277 Days

Day: 33.4 Hours

Environment

Temp: 128 °C

Axial Tilt: 14.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.02 AU - 1.18 AU

Year: 415 Days

Day: 34.8 Hours

Environment

Temp: 14 °C

Axial Tilt: 26.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 115,540,659 km

• M1: 212,130 km (0.079 R)
• M2: 251,923 km (0.047 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.22 AU - 1.48 AU

Year: 565 Days

Day: 40.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 28.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 115,540,659 km

• M1: 26,329 km (0.059 R)
• M2: 129,851 km (0.078 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.85 AU - 2.55 AU

Year: 1174 Days

Day: 21.7 Hours

Environment

Temp: -75 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.6

Radius: 11.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.73 AU - 8.35 AU

Year: 8205 Days

Day: 14 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 115,540,659 km

• M1: 142,268 km (0.095 R)
• M2: 515,963 km (0.118 R)
• M3: 872,754 km (0.114 R)
• M4: 2,147,477 km (0.117 R)
• M5: 2,663,889 km (0.118 R)
• M6: 3,923,803 km (0.05 R)
• M7: 4,483,897 km (0.119 R)
• M8: 5,924,375 km (0.077 R)
• M9: 10,199,284 km (0.119 R)
• M10: 11,111,531 km (0.119 R)
• M11: 11,818,082 km (0.096 R)
• M12: 14,766,507 km (0.086 R)
• M13: 15,189,569 km (0.106 R)
• M14: 15,933,520 km (0.104 R)
• M15: 22,706,264 km (0.034 R)
• M16: 23,761,378 km (0.116 R)
• M17: 26,232,286 km (0.119 R)
• M18: 27,303,107 km (0.119 R)
• M19: 28,589,051 km (0.085 R)
• M20: 29,246,833 km (0.105 R)
• M21: 31,979,836 km (0.104 R)
• M22: 33,201,751 km (0.088 R)
• M23: 34,033,366 km (0.029 R)
• M24: 35,092,369 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.2

Radius: 6.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 12.23 AU - 14.59 AU

Year: 17673 Days

Day: 17.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 115,540,659 km

• M1: 167,250 km (0.1 R)
• M2: 479,611 km (0.119 R)
• M3: 1,076,506 km (0.068 R)
• M4: 5,172,496 km (0.085 R)
• M5: 6,341,304 km (0.111 R)
• M6: 6,818,073 km (0.056 R)
• M7: 8,857,241 km (0.111 R)
• M8: 9,301,547 km (0.058 R)
• M9: 9,956,337 km (0.105 R)
• M10: 17,987,349 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896

Radius: 3.1

Gravity: 93.24 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 16.92 AU - 23.52 AU

Year: 32722 Days

Day: 24.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 115,540,659 km

• M1: 38,596 km (0.088 R)
• M2: 192,233 km (0.119 R)
• M3: 444,156 km (0.066 R)
• M4: 712,086 km (0.108 R)
• M5: 1,865,037 km (0.116 R)
• M6: 2,388,629 km (0.073 R)
• M7: 2,573,981 km (0.055 R)
• M8: 2,826,502 km (0.119 R)
• M9: 4,459,064 km (0.093 R)
• M10: 5,563,246 km (0.1 R)
• M11: 6,837,520 km (0.09 R)
• M12: 7,825,614 km (0.098 R)
• M13: 9,677,636 km (0.098 R)
• M14: 13,297,156 km (0.085 R)
• M15: 13,544,292 km (0.103 R)
• M16: 18,839,009 km (0.114 R)
• M17: 21,654,741 km (0.046 R)
• M18: 22,574,468 km (0.11 R)
• M19: 23,760,331 km (0.101 R)
• M20: 27,300,415 km (0.047 R)
• M21: 32,199,595 km (0.036 R)
• M22: 34,312,815 km (0.093 R)
• M23: 42,257,509 km (0.109 R)
• M24: 49,549,807 km (0.043 R)
• M25: 49,944,895 km (0.108 R)
• M26: 50,941,665 km (0.087 R)
• M27: 53,595,083 km (0.1 R)
• M28: 58,954,127 km (0.038 R)
• M29: 61,648,684 km (0.076 R)
• M30: 62,795,352 km (0.112 R)
• M31: 63,722,709 km (0.102 R)
• M32: 72,738,225 km (0.11 R)
• M33: 74,534,297 km (0.118 R)
• M34: 77,681,537 km (0.11 R)
• M35: 90,272,292 km (0.11 R)
• M36: 92,047,271 km (0.074 R)
• M37: 95,972,719 km (0.105 R)
• M38: 99,067,151 km (0.073 R)
• M39: 101,590,119 km (0.105 R)
• M40: 109,081,382 km (0.087 R)
• M41: 111,432,312 km (0.04 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 19,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit