🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.55 AU - 0.59 AU

Year: 166 Days

Day: 19.5 Hours

Environment

Temp: 115 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,629,047 km

• M1: 255,812 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.67 AU - 1.01 AU

Year: 296 Days

Day: 14.8 Hours

Environment

Temp: 21 °C

Axial Tilt: 1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 61,629,047 km

• M1: 24,235 km (0.069 R)
• M2: 191,934 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.08 AU - 1.38 AU

Year: 525 Days

Day: 40.3 Hours

Environment

Temp: -27 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,629,047 km

• M1: 33,959 km (0.052 R)

Asteroid Belt

Center: 4.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.7

Radius: 13.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.87 AU - 8.35 AU

Year: 8892 Days

Day: 8.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,629,047 km

• M1: 167,998 km (0.104 R)
• M2: 1,094,159 km (0.057 R)
• M3: 2,080,009 km (0.082 R)
• M4: 2,873,476 km (0.114 R)
• M5: 5,216,029 km (0.065 R)
• M6: 8,698,817 km (0.064 R)
• M7: 13,156,983 km (0.115 R)
• M8: 15,196,301 km (0.111 R)
• M9: 17,852,711 km (0.072 R)
• M10: 20,151,432 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.1

Radius: 11.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.6 AU - 10.6 AU

Year: 9710 Days

Day: 5.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,629,047 km

• M1: 146,756 km (0.101 R)
• M2: 623,674 km (0.057 R)
• M3: 3,813,399 km (0.084 R)
• M4: 6,045,848 km (0.108 R)
• M5: 7,283,322 km (0.083 R)
• M6: 8,527,378 km (0.118 R)
• M7: 9,322,640 km (0.119 R)
• M8: 11,433,017 km (0.083 R)
• M9: 13,473,083 km (0.074 R)
• M10: 14,441,430 km (0.032 R)
• M11: 15,687,132 km (0.093 R)
• M12: 16,157,468 km (0.083 R)
• M13: 16,880,624 km (0.061 R)
• M14: 18,456,338 km (0.068 R)
• M15: 18,980,828 km (0.061 R)
• M16: 23,084,896 km (0.077 R)
• M17: 23,693,909 km (0.098 R)
• M18: 25,585,425 km (0.106 R)
• M19: 30,386,619 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.5

Radius: 6.5

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 16.41 AU - 17.29 AU

Year: 26630 Days

Day: 21.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,629,047 km

• M1: 80,783 km (0.086 R)
• M2: 312,061 km (0.082 R)
• M3: 1,124,677 km (0.062 R)
• M4: 1,457,532 km (0.049 R)
• M5: 2,594,476 km (0.103 R)
• M6: 2,965,927 km (0.098 R)
• M7: 5,036,512 km (0.104 R)
• M8: 7,136,866 km (0.096 R)
• M9: 7,422,897 km (0.049 R)
• M10: 8,275,156 km (0.025 R)
• M11: 13,534,119 km (0.036 R)
• M12: 17,743,205 km (0.028 R)
• M13: 20,666,198 km (0.082 R)
• M14: 26,868,675 km (0.088 R)
• M15: 31,204,919 km (0.075 R)
• M16: 32,617,422 km (0.097 R)
• M17: 37,825,074 km (0.053 R)
• M18: 38,987,898 km (0.117 R)
• M19: 41,998,705 km (0.114 R)
• M20: 42,463,356 km (0.041 R)
• M21: 50,023,134 km (0.101 R)
• M22: 50,895,140 km (0.049 R)
• M23: 56,906,731 km (0.078 R)
• M24: 57,856,976 km (0.054 R)
• M25: 67,948,400 km (0.078 R)
• M26: 69,448,568 km (0.086 R)
• M27: 73,407,376 km (0.108 R)
• M28: 75,214,069 km (0.112 R)
• M29: 77,513,987 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.7

Radius: 6.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 15.45 AU - 20.53 AU

Year: 29378 Days

Day: 22.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,629,047 km

• M1: 84,523 km (0.12 R)
• M2: 1,046,138 km (0.05 R)
• M3: 1,779,766 km (0.109 R)
• M4: 2,082,402 km (0.119 R)
• M5: 2,633,820 km (0.071 R)
• M6: 3,126,745 km (0.103 R)
• M7: 3,935,471 km (0.042 R)
• M8: 4,676,878 km (0.102 R)
• M9: 6,933,562 km (0.094 R)
• M10: 7,236,947 km (0.087 R)
• M11: 9,351,213 km (0.094 R)
• M12: 9,668,361 km (0.076 R)
• M13: 12,279,891 km (0.058 R)
• M14: 17,300,246 km (0.086 R)
• M15: 23,928,179 km (0.1 R)
• M16: 24,322,819 km (0.06 R)
• M17: 26,994,637 km (0.069 R)
• M18: 32,791,853 km (0.078 R)
• M19: 34,142,572 km (0.093 R)
• M20: 36,692,618 km (0.117 R)
• M21: 42,168,498 km (0.119 R)
• M22: 45,400,710 km (0.079 R)
• M23: 47,386,173 km (0.108 R)
• M24: 50,229,879 km (0.111 R)
• M25: 56,428,466 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 15,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit