🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.6

Radius: 10.9

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.98 AU - 1.34 AU

Year: 807 Days

Day: 8.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,139,249 km

• M1: 135,685 km (0.081 R)
• M2: 484,099 km (0.119 R)
• M3: 847,472 km (0.086 R)
• M4: 1,305,241 km (0.098 R)
• M5: 1,786,049 km (0.039 R)
• M6: 2,141,194 km (0.087 R)
• M7: 2,677,951 km (0.091 R)
• M8: 3,315,986 km (0.093 R)
• M9: 3,858,877 km (0.045 R)
• M10: 4,221,951 km (0.113 R)
• M11: 4,999,710 km (0.119 R)
• M12: 5,469,448 km (0.097 R)
• M13: 6,229,555 km (0.104 R)
• M14: 7,237,246 km (0.103 R)
• M15: 7,768,468 km (0.086 R)
• M16: 8,475,318 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.8

Radius: 11.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.33 AU - 1.45 AU

Year: 1058 Days

Day: 12.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,139,249 km

• M1: 148,102 km (0.115 R)
• M2: 546,780 km (0.032 R)
• M3: 1,035,965 km (0.111 R)
• M4: 1,582,745 km (0.103 R)
• M5: 2,199,986 km (0.097 R)
• M6: 2,601,058 km (0.088 R)
• M7: 3,295,791 km (0.038 R)
• M8: 3,982,146 km (0.058 R)
• M9: 4,566,325 km (0.068 R)
• M10: 5,207,053 km (0.118 R)
• M11: 5,906,872 km (0.117 R)
• M12: 6,920,996 km (0.086 R)
• M13: 7,543,622 km (0.07 R)
• M14: 7,970,724 km (0.081 R)
• M15: 9,754,828 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.5

Radius: 9.8

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.26 AU - 1.54 AU

Year: 1070 Days

Day: 14.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,139,249 km

• M1: 121,922 km (0.118 R)
• M2: 438,023 km (0.068 R)
• M3: 815,458 km (0.085 R)
• M4: 1,695,243 km (0.036 R)
• M5: 2,004,462 km (0.095 R)
• M6: 2,409,872 km (0.061 R)
• M7: 2,869,437 km (0.08 R)
• M8: 3,691,926 km (0.081 R)
• M9: 4,218,361 km (0.049 R)
• M10: 4,572,309 km (0.12 R)
• M11: 5,755,329 km (0.091 R)
• M12: 6,556,875 km (0.067 R)
• M13: 6,936,255 km (0.084 R)
• M14: 7,791,356 km (0.108 R)
• M15: 8,136,329 km (0.117 R)
• M16: 8,715,123 km (0.096 R)
• M17: 9,439,626 km (0.088 R)
• M18: 9,770,985 km (0.091 R)
• M19: 10,552,933 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.8

Radius: 10.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.7 AU - 3.02 AU

Year: 3123 Days

Day: 10 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,139,249 km

• M1: 128,953 km (0.034 R)
• M2: 497,712 km (0.107 R)
• M3: 917,334 km (0.111 R)
• M4: 1,753,287 km (0.118 R)
• M5: 5,966,561 km (0.092 R)
• M6: 7,410,929 km (0.097 R)
• M7: 8,214,868 km (0.064 R)
• M8: 8,671,291 km (0.06 R)
• M9: 9,179,026 km (0.107 R)
• M10: 10,554,429 km (0.12 R)
• M11: 10,899,402 km (0.098 R)
• M12: 14,399,094 km (0.108 R)
• M13: 15,797,984 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152

Radius: 15

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.79 AU - 3.17 AU

Year: 3322 Days

Day: 12 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,139,249 km

• M1: 186,848 km (0.093 R)
• M2: 1,019,958 km (0.105 R)
• M3: 2,128,479 km (0.073 R)
• M4: 2,742,877 km (0.079 R)
• M5: 3,303,271 km (0.112 R)
• M6: 3,992,468 km (0.055 R)
• M7: 4,796,257 km (0.052 R)
• M8: 5,290,529 km (0.109 R)
• M9: 6,455,447 km (0.112 R)
• M10: 7,511,010 km (0.101 R)
• M11: 8,890,153 km (0.073 R)
• M12: 10,636,857 km (0.114 R)
• M13: 13,429,550 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35

Radius: 12.5

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.49 AU - 7.17 AU

Year: 9089 Days

Day: 8.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,139,249 km

• M1: 155,432 km (0.1 R)
• M2: 876,494 km (0.05 R)
• M3: 1,362,986 km (0.062 R)
• M4: 7,356,326 km (0.076 R)
• M5: 8,942,213 km (0.078 R)
• M6: 9,990,146 km (0.071 R)
• M7: 12,088,555 km (0.097 R)
• M8: 13,757,170 km (0.104 R)
• M9: 14,921,041 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.8

Radius: 8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.53 AU - 11.99 AU

Year: 19687 Days

Day: 23.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,139,249 km

• M1: 99,632 km (0.051 R)
• M2: 468,989 km (0.095 R)
• M3: 1,042,548 km (0.064 R)
• M4: 1,773,184 km (0.103 R)
• M5: 2,129,526 km (0.033 R)
• M6: 3,571,051 km (0.096 R)
• M7: 4,836,649 km (0.117 R)
• M8: 5,783,902 km (0.107 R)
• M9: 7,386,544 km (0.07 R)
• M10: 8,358,931 km (0.112 R)
• M11: 9,314,711 km (0.033 R)
• M12: 12,557,694 km (0.057 R)
• M13: 13,680,276 km (0.048 R)
• M14: 15,004,218 km (0.095 R)
• M15: 15,767,915 km (0.112 R)
• M16: 22,297,114 km (0.083 R)
• M17: 22,835,517 km (0.057 R)
• M18: 34,785,993 km (0.113 R)
• M19: 36,121,453 km (0.094 R)
• M20: 42,077,991 km (0.051 R)
• M21: 49,562,971 km (0.058 R)
• M22: 49,867,403 km (0.095 R)
• M23: 52,980,236 km (0.081 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 18,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit