🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 10.3

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.95 AU - 5.37 AU

Year: 3712 Days

Day: 7.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 70.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,722,982 km

• M1: 128,505 km (0.091 R)
• M2: 1,001,259 km (0.116 R)
• M3: 1,370,167 km (0.12 R)
• M4: 5,732,142 km (0.092 R)
• M5: 6,452,904 km (0.117 R)
• M6: 7,818,882 km (0.111 R)
• M7: 9,085,378 km (0.041 R)
• M8: 16,668,943 km (0.116 R)
• M9: 17,309,820 km (0.115 R)
• M10: 18,301,953 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.8

Radius: 9.7

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.85 AU - 7.77 AU

Year: 5848 Days

Day: 12.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,722,982 km

• M1: 123,568 km (0.093 R)
• M2: 437,873 km (0.113 R)
• M3: 769,232 km (0.083 R)
• M4: 1,506,151 km (0.067 R)
• M5: 1,935,348 km (0.113 R)
• M6: 2,462,381 km (0.089 R)
• M7: 3,529,463 km (0.081 R)
• M8: 3,922,456 km (0.11 R)
• M9: 5,250,736 km (0.111 R)
• M10: 6,114,364 km (0.101 R)
• M11: 7,360,365 km (0.066 R)
• M12: 8,240,449 km (0.102 R)
• M13: 8,851,257 km (0.037 R)
• M14: 9,801,204 km (0.061 R)
• M15: 10,209,007 km (0.106 R)
• M16: 10,580,908 km (0.077 R)
• M17: 12,790,468 km (0.105 R)
• M18: 13,168,353 km (0.075 R)
• M19: 16,529,069 km (0.118 R)
• M20: 17,368,762 km (0.08 R)
• M21: 18,646,776 km (0.076 R)
• M22: 19,770,705 km (0.071 R)
• M23: 24,142,703 km (0.075 R)
• M24: 28,019,681 km (0.105 R)
• M25: 35,265,304 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.4

Radius: 9.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.15 AU - 8.47 AU

Year: 8053 Days

Day: 8.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,722,982 km

• M1: 120,576 km (0.082 R)
• M2: 476,469 km (0.064 R)
• M3: 1,013,226 km (0.058 R)
• M4: 1,461,272 km (0.071 R)
• M5: 2,653,866 km (0.115 R)
• M6: 3,044,466 km (0.117 R)
• M7: 5,665,271 km (0.115 R)
• M8: 7,511,309 km (0.1 R)
• M9: 10,845,397 km (0.098 R)
• M10: 14,205,365 km (0.118 R)
• M11: 15,523,173 km (0.071 R)
• M12: 19,137,756 km (0.094 R)
• M13: 21,615,247 km (0.048 R)
• M14: 22,436,240 km (0.09 R)
• M15: 22,816,069 km (0.104 R)
• M16: 25,597,093 km (0.101 R)
• M17: 29,859,286 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.8

Radius: 15

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.61 AU - 10.57 AU

Year: 10957 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,722,982 km

• M1: 188,942 km (0.056 R)
• M2: 1,713,793 km (0.117 R)
• M3: 3,411,280 km (0.098 R)
• M4: 3,995,161 km (0.093 R)
• M5: 5,365,926 km (0.055 R)
• M6: 8,595,744 km (0.107 R)
• M7: 9,534,620 km (0.088 R)
• M8: 10,661,541 km (0.11 R)
• M9: 11,962,444 km (0.08 R)
• M10: 13,133,347 km (0.032 R)
• M11: 14,677,645 km (0.047 R)
• M12: 17,667,209 km (0.073 R)
• M13: 18,357,155 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.9

Radius: 5.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 11.45 AU - 15.97 AU

Year: 18730 Days

Day: 19.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,722,982 km

• M1: 83,775 km (0.119 R)
• M2: 626,217 km (0.094 R)
• M3: 1,453,044 km (0.117 R)
• M4: 2,176,350 km (0.049 R)
• M5: 2,415,108 km (0.11 R)
• M6: 4,585,175 km (0.058 R)
• M7: 5,098,744 km (0.091 R)
• M8: 5,806,941 km (0.107 R)
• M9: 17,432,640 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.2

Radius: 5.3

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 12.51 AU - 15.83 AU

Year: 19680 Days

Day: 18.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,722,982 km

• M1: 66,272 km (0.063 R)
• M2: 425,456 km (0.108 R)
• M3: 779,555 km (0.056 R)
• M4: 1,194,988 km (0.098 R)
• M5: 1,697,637 km (0.059 R)
• M6: 1,934,450 km (0.092 R)
• M7: 2,432,910 km (0.109 R)
• M8: 3,518,692 km (0.094 R)
• M9: 4,228,085 km (0.119 R)
• M10: 4,505,439 km (0.107 R)
• M11: 5,482,612 km (0.119 R)
• M12: 9,771,883 km (0.076 R)
• M13: 15,227,268 km (0.054 R)
• M14: 15,442,539 km (0.112 R)
• M15: 15,879,066 km (0.091 R)
• M16: 19,842,362 km (0.117 R)
• M17: 23,835,130 km (0.091 R)
• M18: 27,369,828 km (0.095 R)
• M19: 29,985,846 km (0.089 R)
• M20: 38,825,135 km (0.1 R)
• M21: 51,638,193 km (0.053 R)
• M22: 53,270,156 km (0.036 R)
• M23: 53,932,426 km (0.043 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: 194 - 11,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit