🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.45 AU - 0.57 AU

Year: 135 Days

Day: 42.7 Hours

Environment

Temp: 224 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,355,596 km

• M1: 95,294 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.61 AU - 0.73 AU

Year: 203 Days

Day: 40.2 Hours

Environment

Temp: 207 °C

Axial Tilt: 10.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.71 AU - 0.77 AU

Year: 236 Days

Day: 44.8 Hours

Environment

Temp: 118 °C

Axial Tilt: 21.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.62 AU - 1.02 AU

Year: 275 Days

Day: 28.3 Hours

Environment

Temp: 172 °C

Axial Tilt: 41 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.03 AU - 1.35 AU

Year: 481 Days

Day: 41.2 Hours

Environment

Temp: 6 °C

Axial Tilt: 36.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 37,355,596 km

• M1: 849,716 km (0.069 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.45 AU - 4.79 AU

Year: 3101 Days

Day: 37.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,355,596 km

• M1: 3,099,219 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.2

Radius: 15

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.17 AU - 7.23 AU

Year: 7165 Days

Day: 7.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 37,355,596 km

• M1: 201,209 km (0.096 R)
• M2: 498,011 km (0.084 R)
• M3: 796,609 km (0.112 R)
• M4: 1,307,186 km (0.039 R)
• M5: 1,532,032 km (0.105 R)
• M6: 1,683,574 km (0.039 R)
• M7: 1,911,861 km (0.073 R)
• M8: 2,020,768 km (0.054 R)
• M9: 2,617,963 km (0.112 R)
• M10: 2,760,380 km (0.098 R)
• M11: 2,863,602 km (0.032 R)
• M12: 3,760,591 km (0.063 R)
• M13: 4,109,603 km (0.094 R)
• M14: 4,324,276 km (0.047 R)
• M15: 4,542,689 km (0.106 R)
• M16: 4,739,859 km (0.051 R)
• M17: 4,965,303 km (0.108 R)
• M18: 5,092,012 km (0.101 R)
• M19: 5,374,752 km (0.057 R)
• M20: 5,928,863 km (0.087 R)
• M21: 6,253,939 km (0.115 R)
• M22: 6,501,523 km (0.089 R)
• M23: 7,091,986 km (0.111 R)
• M24: 7,263,874 km (0.093 R)
• M25: 8,114,488 km (0.062 R)
• M26: 8,234,166 km (0.115 R)
• M27: 8,750,129 km (0.11 R)
• M28: 9,496,323 km (0.102 R)
• M29: 10,005,255 km (0.111 R)
• M30: 10,295,325 km (0.027 R)
• M31: 10,490,401 km (0.085 R)
• M32: 10,719,435 km (0.048 R)
• M33: 11,618,668 km (0.079 R)
• M34: 12,542,136 km (0.112 R)
• M35: 12,995,118 km (0.109 R)
• M36: 13,100,435 km (0.099 R)
• M37: 13,453,636 km (0.085 R)
• M38: 14,422,880 km (0.113 R)
• M39: 14,750,948 km (0.076 R)
• M40: 14,897,554 km (0.116 R)
• M41: 15,377,464 km (0.089 R)
• M42: 15,900,010 km (0.107 R)
• M43: 16,732,821 km (0.032 R)
• M44: 17,657,785 km (0.037 R)
• M45: 17,813,516 km (0.115 R)
• M46: 17,969,696 km (0.118 R)
• M47: 18,322,897 km (0.108 R)
• M48: 19,195,800 km (0.118 R)
• M49: 19,718,047 km (0.083 R)
• M50: 20,001,235 km (0.029 R)
• M51: 20,204,389 km (0.077 R)
• M52: 20,612,642 km (0.114 R)
• M53: 21,686,755 km (0.111 R)
• M54: 24,018,686 km (0.089 R)
• M55: 24,407,940 km (0.035 R)
• M56: 25,587,818 km (0.059 R)
• M57: 26,029,581 km (0.12 R)
• M58: 26,162,573 km (0.106 R)
• M59: 27,010,344 km (0.032 R)
• M60: 27,686,078 km (0.081 R)
• M61: 28,321,719 km (0.084 R)
• M62: 28,549,856 km (0.053 R)
• M63: 29,422,460 km (0.102 R)
• M64: 30,304,041 km (0.094 R)
• M65: 31,100,051 km (0.091 R)
• M66: 31,666,129 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.9

Radius: 4.3

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 14 AU - 20.02 AU

Year: 26017 Days

Day: 15.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 37,355,596 km

• M1: 151,243 km (0.075 R)
• M2: 615,446 km (0.116 R)
• M3: 929,302 km (0.092 R)
• M4: 1,197,830 km (0.048 R)
• M5: 1,604,138 km (0.109 R)
• M6: 2,028,398 km (0.084 R)
• M7: 2,351,828 km (0.089 R)
• M8: 3,541,131 km (0.097 R)
• M9: 3,668,888 km (0.111 R)
• M10: 3,720,349 km (0.076 R)
• M11: 4,302,884 km (0.115 R)
• M12: 5,432,796 km (0.105 R)
• M13: 5,669,311 km (0.046 R)
• M14: 6,460,683 km (0.059 R)
• M15: 6,554,182 km (0.108 R)
• M16: 6,805,955 km (0.059 R)
• M17: 7,157,061 km (0.112 R)
• M18: 7,253,851 km (0.054 R)
• M19: 8,245,386 km (0.112 R)
• M20: 8,929,796 km (0.056 R)
• M21: 10,461,678 km (0.097 R)
• M22: 11,014,891 km (0.1 R)
• M23: 11,957,956 km (0.056 R)
• M24: 12,111,144 km (0.076 R)
• M25: 13,044,486 km (0.081 R)
• M26: 14,040,957 km (0.1 R)
• M27: 14,202,672 km (0.088 R)
• M28: 14,324,295 km (0.109 R)
• M29: 16,063,819 km (0.079 R)
• M30: 16,915,330 km (0.104 R)
• M31: 18,528,893 km (0.086 R)
• M32: 19,152,118 km (0.085 R)
• M33: 20,236,403 km (0.041 R)
• M34: 21,062,632 km (0.114 R)
• M35: 22,700,579 km (0.082 R)
• M36: 22,985,414 km (0.058 R)
• M37: 24,088,399 km (0.071 R)
• M38: 24,330,448 km (0.097 R)
• M39: 24,768,022 km (0.093 R)
• M40: 24,816,940 km (0.09 R)
• M41: 27,498,931 km (0.118 R)
• M42: 27,904,042 km (0.1 R)
• M43: 30,951,949 km (0.111 R)
• M44: 33,940,765 km (0.058 R)
• M45: 34,212,135 km (0.067 R)
• M46: 34,266,439 km (0.068 R)
• M47: 34,702,368 km (0.098 R)
• M48: 35,855,169 km (0.047 R)
• M49: 36,242,179 km (0.056 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 13,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit