🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.7

Radius: 11.7

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.74 AU - 0.82 AU

Year: 476 Days

Day: 7.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,286,348 km

• M1: 145,559 km (0.096 R)
• M2: 517,010 km (0.101 R)
• M3: 1,084,734 km (0.059 R)
• M4: 1,574,966 km (0.117 R)
• M5: 1,966,763 km (0.085 R)
• M6: 2,389,377 km (0.098 R)
• M7: 3,003,476 km (0.116 R)
• M8: 3,398,415 km (0.104 R)
• M9: 4,268,326 km (0.117 R)
• M10: 4,784,140 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.9

Radius: 10

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.81 AU - 0.93 AU

Year: 560 Days

Day: 12.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,286,348 km

• M1: 125,213 km (0.067 R)
• M2: 717,471 km (0.119 R)
• M3: 1,053,468 km (0.066 R)
• M4: 1,400,386 km (0.106 R)
• M5: 1,808,189 km (0.096 R)
• M6: 2,411,966 km (0.1 R)
• M7: 2,855,524 km (0.103 R)
• M8: 4,678,225 km (0.097 R)
• M9: 5,582,095 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 14

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1 AU - 1.04 AU

Year: 711 Days

Day: 11.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,286,348 km

• M1: 174,132 km (0.081 R)
• M2: 722,109 km (0.11 R)
• M3: 1,169,855 km (0.093 R)
• M4: 1,645,128 km (0.111 R)
• M5: 2,359,906 km (0.097 R)
• M6: 2,969,817 km (0.093 R)
• M7: 3,508,369 km (0.097 R)
• M8: 4,541,791 km (0.119 R)
• M9: 5,087,225 km (0.111 R)
• M10: 5,958,782 km (0.062 R)
• M11: 7,653,128 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.8

Radius: 8.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.88 AU - 1.36 AU

Year: 818 Days

Day: 5.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,286,348 km

• M1: 106,065 km (0.091 R)
• M2: 498,161 km (0.105 R)
• M3: 799,601 km (0.102 R)
• M4: 1,306,139 km (0.07 R)
• M5: 1,742,815 km (0.12 R)
• M6: 2,154,509 km (0.079 R)
• M7: 3,543,076 km (0.084 R)
• M8: 4,561,389 km (0.113 R)
• M9: 5,016,017 km (0.117 R)
• M10: 6,108,081 km (0.031 R)
• M11: 6,390,073 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.2

Radius: 11.8

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.04 AU - 1.5 AU

Year: 988 Days

Day: 5.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,286,348 km

• M1: 146,756 km (0.096 R)
• M2: 605,572 km (0.102 R)
• M3: 1,165,517 km (0.103 R)
• M4: 2,079,261 km (0.077 R)
• M5: 2,593,728 km (0.091 R)
• M6: 3,081,866 km (0.06 R)
• M7: 3,510,015 km (0.116 R)
• M8: 3,897,174 km (0.061 R)
• M9: 4,505,140 km (0.032 R)
• M10: 5,555,616 km (0.12 R)
• M11: 6,785,909 km (0.094 R)
• M12: 7,316,084 km (0.088 R)
• M13: 8,004,533 km (0.062 R)
• M14: 8,378,229 km (0.075 R)
• M15: 9,074,756 km (0.083 R)
• M16: 10,393,910 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.9

Radius: 9.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.27 AU - 1.53 AU

Year: 1143 Days

Day: 8.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,286,348 km

• M1: 123,418 km (0.054 R)
• M2: 469,737 km (0.095 R)
• M3: 831,914 km (0.103 R)
• M4: 1,248,693 km (0.108 R)
• M5: 1,699,133 km (0.08 R)
• M6: 2,133,714 km (0.081 R)
• M7: 2,663,141 km (0.115 R)
• M8: 5,156,190 km (0.067 R)
• M9: 6,324,699 km (0.06 R)
• M10: 6,805,656 km (0.106 R)
• M11: 7,267,764 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.9

Radius: 12

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.99 AU - 2.07 AU

Year: 1996 Days

Day: 13.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 18,286,348 km

• M1: 151,991 km (0.099 R)
• M2: 695,331 km (0.071 R)
• M3: 1,186,012 km (0.087 R)
• M4: 2,443,232 km (0.051 R)
• M5: 4,912,644 km (0.109 R)
• M6: 5,753,385 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 10.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.71 AU - 2.95 AU

Year: 3286 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,286,348 km

• M1: 125,662 km (0.087 R)
• M2: 503,247 km (0.079 R)
• M3: 938,128 km (0.116 R)
• M4: 1,359,097 km (0.118 R)
• M5: 2,275,234 km (0.117 R)
• M6: 3,632,386 km (0.083 R)
• M7: 4,432,884 km (0.082 R)
• M8: 4,797,604 km (0.103 R)
• M9: 6,248,553 km (0.085 R)
• M10: 8,977,967 km (0.098 R)
• M11: 12,543,931 km (0.045 R)
• M12: 13,101,782 km (0.094 R)
• M13: 13,856,204 km (0.062 R)
• M14: 14,313,375 km (0.067 R)
• M15: 15,647,040 km (0.105 R)
• M16: 16,394,730 km (0.116 R)
• M17: 17,428,451 km (0.089 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: 485 - 13,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit