🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.43 AU - 0.59 AU

Year: 165 Days

Day: 45.1 Hours

Environment

Temp: 31 °C

Axial Tilt: 14.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.61 AU - 0.71 AU

Year: 243 Days

Day: 12.6 Hours

Environment

Temp: -25 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.57 AU - 0.85 AU

Year: 271 Days

Day: 45.1 Hours

Environment

Temp: -33 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.5

Radius: 14.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.34 AU - 3.18 AU

Year: 2077 Days

Day: 13.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,525,983 km

• M1: 184,155 km (0.083 R)
• M2: 865,872 km (0.103 R)
• M3: 1,750,295 km (0.116 R)
• M4: 2,331,034 km (0.075 R)
• M5: 2,976,998 km (0.06 R)
• M6: 3,596,333 km (0.04 R)
• M7: 5,327,779 km (0.088 R)
• M8: 6,458,738 km (0.055 R)
• M9: 7,067,303 km (0.043 R)
• M10: 9,366,323 km (0.054 R)
• M11: 11,720,544 km (0.095 R)
• M12: 12,671,089 km (0.105 R)
• M13: 13,583,337 km (0.063 R)
• M14: 15,882,507 km (0.092 R)
• M15: 17,782,848 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.9

Radius: 14.7

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.66 AU - 6.16 AU

Year: 5701 Days

Day: 11.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,525,983 km

• M1: 182,809 km (0.068 R)
• M2: 775,216 km (0.075 R)
• M3: 1,418,188 km (0.106 R)
• M4: 1,904,530 km (0.1 R)
• M5: 2,535,834 km (0.069 R)
• M6: 3,008,413 km (0.092 R)
• M7: 4,248,729 km (0.053 R)
• M8: 4,747,488 km (0.076 R)
• M9: 5,750,841 km (0.07 R)
• M10: 6,987,417 km (0.103 R)
• M11: 8,431,336 km (0.073 R)
• M12: 9,420,178 km (0.066 R)
• M13: 10,232,345 km (0.077 R)
• M14: 12,708,339 km (0.042 R)
• M15: 13,247,939 km (0.088 R)
• M16: 13,905,272 km (0.109 R)
• M17: 16,871,947 km (0.03 R)
• M18: 18,565,844 km (0.119 R)
• M19: 20,437,164 km (0.1 R)
• M20: 21,110,803 km (0.088 R)
• M21: 22,931,708 km (0.091 R)
• M22: 26,724,313 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.1

Radius: 5.8

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.38 AU - 11.08 AU

Year: 13750 Days

Day: 24 Hours

Environment

Temp: -192 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,525,983 km

• M1: 75,098 km (0.078 R)
• M2: 402,568 km (0.056 R)
• M3: 794,813 km (0.051 R)
• M4: 1,328,130 km (0.073 R)
• M5: 1,866,233 km (0.082 R)
• M6: 2,482,577 km (0.087 R)
• M7: 2,715,650 km (0.08 R)
• M8: 2,963,384 km (0.11 R)
• M9: 3,649,141 km (0.114 R)
• M10: 4,928,651 km (0.116 R)
• M11: 5,361,588 km (0.114 R)
• M12: 6,232,247 km (0.12 R)
• M13: 8,039,090 km (0.073 R)
• M14: 9,640,087 km (0.075 R)
• M15: 12,990,630 km (0.104 R)
• M16: 14,301,556 km (0.114 R)
• M17: 15,308,500 km (0.118 R)
• M18: 17,044,433 km (0.065 R)
• M19: 18,685,821 km (0.053 R)
• M20: 20,507,923 km (0.103 R)
• M21: 21,868,067 km (0.057 R)
• M22: 25,123,915 km (0.058 R)
• M23: 27,815,779 km (0.092 R)
• M24: 28,201,592 km (0.069 R)
• M25: 29,181,608 km (0.093 R)
• M26: 29,981,807 km (0.096 R)
• M27: 31,626,037 km (0.034 R)
• M28: 32,576,732 km (0.1 R)
• M29: 33,221,050 km (0.073 R)
• M30: 33,764,539 km (0.069 R)
• M31: 33,983,550 km (0.093 R)
• M32: 34,980,919 km (0.069 R)
• M33: 41,128,195 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.6

Radius: 7.5

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 11.71 AU - 18.13 AU

Year: 26109 Days

Day: 17.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 91,525,983 km

• M1: 93,349 km (0.119 R)
• M2: 653,593 km (0.112 R)
• M3: 940,073 km (0.025 R)
• M4: 1,405,173 km (0.101 R)
• M5: 1,737,729 km (0.11 R)
• M6: 2,277,478 km (0.071 R)
• M7: 2,537,329 km (0.059 R)
• M8: 2,923,890 km (0.048 R)
• M9: 3,379,117 km (0.087 R)
• M10: 4,149,396 km (0.108 R)
• M11: 8,762,845 km (0.068 R)
• M12: 10,395,706 km (0.111 R)
• M13: 12,293,355 km (0.026 R)
• M14: 13,248,387 km (0.112 R)
• M15: 13,705,559 km (0.11 R)
• M16: 14,331,326 km (0.07 R)
• M17: 17,566,380 km (0.086 R)
• M18: 18,871,622 km (0.068 R)
• M19: 19,547,954 km (0.081 R)
• M20: 21,778,907 km (0.107 R)
• M21: 22,955,793 km (0.077 R)
• M22: 25,786,933 km (0.116 R)
• M23: 26,739,871 km (0.093 R)
• M24: 31,053,227 km (0.108 R)
• M25: 31,589,236 km (0.117 R)
• M26: 37,143,955 km (0.068 R)
• M27: 48,146,429 km (0.026 R)
• M28: 60,094,661 km (0.075 R)
• M29: 62,189,929 km (0.113 R)
• M30: 68,767,448 km (0.107 R)
• M31: 71,290,865 km (0.12 R)
• M32: 82,002,522 km (0.092 R)
• M33: 83,541,435 km (0.111 R)
• M34: 84,058,744 km (0.069 R)
• M35: 84,318,147 km (0.087 R)
• M36: 84,577,999 km (0.089 R)
• M37: 86,677,006 km (0.105 R)
• M38: 88,273,814 km (0.072 R)
• M39: 89,619,297 km (0.096 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 10,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit