🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.62 AU - 1.02 AU

Year: 278 Days

Day: 25.5 Hours

Environment

Temp: 100 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.03 AU - 2.53 AU

Year: 1290 Days

Day: 24.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.3

Radius: 9.4

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.83 AU - 6.11 AU

Year: 4152 Days

Day: 12.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,367,131 km

• M1: 121,473 km (0.09 R)
• M2: 536,458 km (0.116 R)
• M3: 950,096 km (0.082 R)
• M4: 1,262,157 km (0.073 R)
• M5: 2,188,168 km (0.087 R)
• M6: 2,511,449 km (0.047 R)
• M7: 3,122,108 km (0.082 R)
• M8: 3,513,605 km (0.108 R)
• M9: 4,301,388 km (0.057 R)
• M10: 6,164,180 km (0.076 R)
• M11: 8,548,471 km (0.107 R)
• M12: 9,801,503 km (0.116 R)
• M13: 10,133,012 km (0.104 R)
• M14: 12,863,771 km (0.085 R)
• M15: 13,565,385 km (0.081 R)
• M16: 14,665,079 km (0.064 R)
• M17: 15,264,368 km (0.106 R)
• M18: 15,823,266 km (0.083 R)
• M19: 18,072,320 km (0.107 R)
• M20: 20,191,524 km (0.056 R)
• M21: 22,257,171 km (0.116 R)
• M22: 23,933,415 km (0.107 R)
• M23: 25,849,016 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.2

Radius: 10.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.74 AU - 7.02 AU

Year: 6039 Days

Day: 10.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,367,131 km

• M1: 129,552 km (0.039 R)
• M2: 2,325,050 km (0.09 R)
• M3: 3,006,917 km (0.113 R)
• M4: 3,580,924 km (0.101 R)
• M5: 4,250,225 km (0.094 R)
• M6: 5,297,261 km (0.072 R)
• M7: 6,166,574 km (0.068 R)
• M8: 6,829,891 km (0.095 R)
• M9: 9,186,955 km (0.029 R)
• M10: 10,352,472 km (0.1 R)
• M11: 11,016,088 km (0.106 R)
• M12: 11,849,647 km (0.09 R)
• M13: 15,666,039 km (0.098 R)
• M14: 21,128,904 km (0.063 R)
• M15: 25,218,910 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.3

Radius: 8.2

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.71 AU - 7.19 AU

Year: 6139 Days

Day: 10.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 21,367,131 km

• M1: 102,026 km (0.098 R)
• M2: 561,142 km (0.039 R)
• M3: 941,419 km (0.063 R)
• M4: 1,417,290 km (0.061 R)
• M5: 1,758,373 km (0.111 R)
• M6: 2,061,010 km (0.112 R)
• M7: 2,810,346 km (0.058 R)
• M8: 3,247,620 km (0.059 R)
• M9: 3,504,779 km (0.092 R)
• M10: 5,230,839 km (0.072 R)
• M11: 6,213,248 km (0.083 R)
• M12: 7,277,338 km (0.108 R)
• M13: 8,823,881 km (0.081 R)
• M14: 12,553,206 km (0.069 R)
• M15: 13,082,932 km (0.075 R)
• M16: 15,532,298 km (0.099 R)
• M17: 16,454,270 km (0.094 R)
• M18: 17,805,438 km (0.087 R)
• M19: 18,678,192 km (0.047 R)
• M20: 21,692,888 km (0.115 R)
• M21: 21,995,973 km (0.079 R)
• M22: 22,610,521 km (0.075 R)
• M23: 23,553,586 km (0.12 R)
• M24: 29,215,267 km (0.068 R)
• M25: 30,051,370 km (0.101 R)
• M26: 30,522,753 km (0.081 R)
• M27: 30,808,036 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.3

Radius: 13.1

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.45 AU - 9.09 AU

Year: 8116 Days

Day: 11.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,367,131 km

• M1: 162,912 km (0.066 R)
• M2: 577,448 km (0.057 R)
• M3: 1,236,576 km (0.1 R)
• M4: 1,858,155 km (0.11 R)
• M5: 2,514,591 km (0.079 R)
• M6: 3,411,430 km (0.102 R)
• M7: 3,959,706 km (0.058 R)
• M8: 4,734,773 km (0.109 R)
• M9: 7,442,045 km (0.091 R)
• M10: 7,957,111 km (0.117 R)
• M11: 9,103,330 km (0.116 R)
• M12: 10,116,257 km (0.059 R)
• M13: 12,148,693 km (0.062 R)
• M14: 16,339,229 km (0.057 R)
• M15: 18,256,475 km (0.101 R)
• M16: 18,686,120 km (0.083 R)
• M17: 20,167,289 km (0.114 R)
• M18: 24,211,069 km (0.074 R)
• M19: 27,812,787 km (0.081 R)
• M20: 28,286,713 km (0.059 R)
• M21: 28,862,665 km (0.118 R)
• M22: 39,056,264 km (0.085 R)
• M23: 39,531,537 km (0.111 R)
• M24: 40,736,547 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.6

Radius: 8.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.27 AU - 10.67 AU

Year: 11797 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,367,131 km

• M1: 114,293 km (0.092 R)
• M2: 388,805 km (0.084 R)
• M3: 730,486 km (0.049 R)
• M4: 1,285,195 km (0.078 R)
• M5: 1,764,507 km (0.088 R)
• M6: 2,138,352 km (0.044 R)
• M7: 2,830,990 km (0.107 R)
• M8: 4,934,486 km (0.069 R)
• M9: 5,604,086 km (0.113 R)
• M10: 5,974,341 km (0.084 R)
• M11: 7,245,623 km (0.099 R)
• M12: 8,345,168 km (0.088 R)
• M13: 11,959,303 km (0.1 R)
• M14: 13,536,363 km (0.099 R)
• M15: 21,367,064 km (0.051 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 10,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit