🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.9

Radius: 10.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.66 AU - 0.96 AU

Year: 478 Days

Day: 13.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,229,243 km

• M1: 131,796 km (0.099 R)
• M2: 509,231 km (0.115 R)
• M3: 940,971 km (0.078 R)
• M4: 1,432,699 km (0.079 R)
• M5: 1,861,895 km (0.045 R)
• M6: 2,367,536 km (0.118 R)
• M7: 2,932,866 km (0.089 R)
• M8: 3,528,116 km (0.093 R)
• M9: 4,163,458 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.4

Radius: 13

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1 AU - 1.14 AU

Year: 726 Days

Day: 10.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,229,243 km

• M1: 161,715 km (0.086 R)
• M2: 642,224 km (0.099 R)
• M3: 1,065,137 km (0.119 R)
• M4: 1,487,900 km (0.111 R)
• M5: 1,897,200 km (0.111 R)
• M6: 2,566,950 km (0.072 R)
• M7: 3,001,532 km (0.11 R)
• M8: 3,513,156 km (0.065 R)
• M9: 4,885,567 km (0.099 R)
• M10: 5,297,410 km (0.085 R)
• M11: 6,069,485 km (0.08 R)
• M12: 6,937,452 km (0.106 R)
• M13: 7,718,502 km (0.084 R)
• M14: 8,130,644 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.1

Radius: 14.7

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.11 AU - 1.37 AU

Year: 906 Days

Day: 6.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,229,243 km

• M1: 182,809 km (0.117 R)
• M2: 729,439 km (0.12 R)
• M3: 1,222,065 km (0.097 R)
• M4: 1,696,141 km (0.062 R)
• M5: 2,785,662 km (0.079 R)
• M6: 3,443,593 km (0.089 R)
• M7: 4,043,182 km (0.109 R)
• M8: 5,092,611 km (0.117 R)
• M9: 6,103,444 km (0.082 R)
• M10: 7,387,442 km (0.077 R)
• M11: 8,682,960 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.2

Radius: 10.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.32 AU - 2.02 AU

Year: 1416 Days

Day: 11.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,229,243 km

• M1: 134,488 km (0.067 R)
• M2: 516,262 km (0.038 R)
• M3: 865,723 km (0.116 R)
• M4: 1,222,514 km (0.113 R)
• M5: 2,390,873 km (0.068 R)
• M6: 2,759,034 km (0.091 R)
• M7: 3,652,731 km (0.075 R)
• M8: 4,084,321 km (0.087 R)
• M9: 4,533,713 km (0.12 R)
• M10: 4,981,609 km (0.116 R)
• M11: 5,458,976 km (0.116 R)
• M12: 6,142,638 km (0.101 R)
• M13: 6,734,298 km (0.11 R)
• M14: 7,186,083 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.6

Radius: 8.1

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.83 AU - 2.33 AU

Year: 1968 Days

Day: 9.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,229,243 km

• M1: 100,829 km (0.029 R)
• M2: 355,295 km (0.12 R)
• M3: 668,254 km (0.115 R)
• M4: 1,152,652 km (0.111 R)
• M5: 1,934,450 km (0.086 R)
• M6: 2,198,939 km (0.059 R)
• M7: 2,999,587 km (0.083 R)
• M8: 3,458,254 km (0.07 R)
• M9: 5,074,061 km (0.108 R)
• M10: 5,823,546 km (0.102 R)
• M11: 6,097,609 km (0.056 R)
• M12: 6,354,319 km (0.102 R)
• M13: 6,972,009 km (0.119 R)
• M14: 7,453,864 km (0.1 R)
• M15: 8,264,684 km (0.117 R)
• M16: 9,266,541 km (0.09 R)
• M17: 11,012,049 km (0.058 R)
• M18: 13,738,919 km (0.047 R)
• M19: 15,852,438 km (0.114 R)
• M20: 16,192,025 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 15

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.69 AU - 2.69 AU

Year: 2126 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,229,243 km

• M1: 186,549 km (0.098 R)
• M2: 661,372 km (0.108 R)
• M3: 1,665,473 km (0.068 R)
• M4: 2,487,065 km (0.109 R)
• M5: 3,487,874 km (0.038 R)
• M6: 4,288,672 km (0.09 R)
• M7: 5,084,981 km (0.094 R)
• M8: 5,818,609 km (0.05 R)
• M9: 7,259,087 km (0.036 R)
• M10: 7,798,088 km (0.079 R)
• M11: 9,641,583 km (0.03 R)
• M12: 11,221,785 km (0.036 R)
• M13: 11,724,434 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.9

Radius: 11.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.59 AU - 4.69 AU

Year: 5526 Days

Day: 9.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,229,243 km

• M1: 140,772 km (0.087 R)
• M2: 635,941 km (0.061 R)
• M3: 1,133,952 km (0.098 R)
• M4: 1,552,078 km (0.102 R)
• M5: 2,014,934 km (0.111 R)
• M6: 2,745,570 km (0.084 R)
• M7: 3,123,454 km (0.119 R)
• M8: 4,810,469 km (0.119 R)
• M9: 5,363,682 km (0.084 R)
• M10: 6,899,903 km (0.109 R)
• M11: 7,899,665 km (0.074 R)
• M12: 8,871,752 km (0.118 R)
• M13: 12,117,577 km (0.111 R)
• M14: 15,485,773 km (0.085 R)
• M15: 16,142,508 km (0.076 R)
• M16: 18,093,414 km (0.096 R)
• M17: 20,765,082 km (0.08 R)
• M18: 24,481,392 km (0.096 R)
• M19: 27,739,634 km (0.113 R)
• M20: 28,619,419 km (0.028 R)
• M21: 32,037,132 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 16,796 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit