🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.5

Radius: 14.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.67 AU - 0.69 AU

Year: 387 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,201,771 km

• M1: 184,005 km (0.104 R)
• M2: 721,361 km (0.073 R)
• M3: 1,200,224 km (0.101 R)
• M4: 1,671,307 km (0.036 R)
• M5: 2,735,547 km (0.088 R)
• M6: 3,613,387 km (0.064 R)
• M7: 5,179,377 km (0.038 R)
• M8: 5,843,143 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.2

Radius: 11.6

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.86 AU - 1.2 AU

Year: 722 Days

Day: 9.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,201,771 km

• M1: 144,362 km (0.077 R)
• M2: 665,711 km (0.087 R)
• M3: 1,030,430 km (0.095 R)
• M4: 1,597,556 km (0.107 R)
• M5: 1,968,708 km (0.082 R)
• M6: 2,419,596 km (0.1 R)
• M7: 3,366,850 km (0.093 R)
• M8: 3,956,265 km (0.074 R)
• M9: 4,348,810 km (0.113 R)
• M10: 6,784,114 km (0.111 R)
• M11: 7,233,655 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340

Radius: 13

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.13 AU - 2.33 AU

Year: 2299 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,201,771 km

• M1: 161,715 km (0.086 R)
• M2: 663,018 km (0.089 R)
• M3: 1,103,883 km (0.041 R)
• M4: 1,651,560 km (0.102 R)
• M5: 2,096,016 km (0.049 R)
• M6: 2,594,775 km (0.066 R)
• M7: 3,038,632 km (0.104 R)
• M8: 3,549,808 km (0.117 R)
• M9: 4,172,733 km (0.1 R)
• M10: 5,264,947 km (0.063 R)
• M11: 6,791,743 km (0.065 R)
• M12: 7,370,238 km (0.084 R)
• M13: 8,566,273 km (0.111 R)
• M14: 9,179,625 km (0.041 R)
• M15: 9,756,324 km (0.117 R)
• M16: 10,562,956 km (0.113 R)
• M17: 12,971,781 km (0.098 R)
• M18: 13,740,265 km (0.073 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.2

Radius: 6.3

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.89 AU - 7.61 AU

Year: 10785 Days

Day: 21.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,201,771 km

• M1: 80,633 km (0.117 R)
• M2: 316,399 km (0.106 R)
• M3: 1,223,711 km (0.082 R)
• M4: 1,480,271 km (0.089 R)
• M5: 1,819,559 km (0.106 R)
• M6: 2,138,053 km (0.049 R)
• M7: 4,493,621 km (0.078 R)
• M8: 4,763,795 km (0.093 R)
• M9: 5,173,394 km (0.076 R)
• M10: 5,403,325 km (0.107 R)
• M11: 5,640,289 km (0.079 R)
• M12: 5,955,042 km (0.109 R)
• M13: 11,022,222 km (0.097 R)
• M14: 12,193,722 km (0.112 R)
• M15: 12,661,216 km (0.112 R)
• M16: 13,384,671 km (0.038 R)
• M17: 17,714,781 km (0.073 R)
• M18: 20,193,917 km (0.077 R)
• M19: 21,013,863 km (0.099 R)
• M20: 21,941,071 km (0.107 R)
• M21: 23,516,636 km (0.103 R)
• M22: 25,448,393 km (0.105 R)
• M23: 26,695,890 km (0.058 R)
• M24: 27,983,628 km (0.073 R)
• M25: 33,663,410 km (0.067 R)
• M26: 33,891,697 km (0.075 R)
• M27: 34,582,540 km (0.051 R)
• M28: 37,562,230 km (0.108 R)
• M29: 38,426,307 km (0.042 R)
• M30: 41,097,826 km (0.08 R)
• M31: 46,665,709 km (0.104 R)
• M32: 46,949,497 km (0.09 R)
• M33: 47,663,976 km (0.116 R)
• M34: 47,951,802 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.2

Radius: 6.7

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.06 AU - 8.32 AU

Year: 14720 Days

Day: 24.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 143.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,201,771 km

• M1: 86,767 km (0.108 R)
• M2: 460,761 km (0.058 R)
• M3: 1,058,854 km (0.068 R)
• M4: 1,519,316 km (0.083 R)
• M5: 2,053,231 km (0.088 R)
• M6: 3,315,089 km (0.112 R)
• M7: 4,742,253 km (0.083 R)
• M8: 4,993,577 km (0.07 R)
• M9: 5,253,578 km (0.099 R)
• M10: 7,009,109 km (0.063 R)
• M11: 8,376,434 km (0.04 R)
• M12: 9,027,184 km (0.068 R)
• M13: 10,481,575 km (0.089 R)
• M14: 11,181,842 km (0.053 R)
• M15: 12,260,593 km (0.117 R)
• M16: 17,719,868 km (0.104 R)
• M17: 18,249,594 km (0.119 R)
• M18: 24,420,207 km (0.092 R)
• M19: 25,552,064 km (0.068 R)
• M20: 25,936,830 km (0.065 R)
• M21: 26,325,635 km (0.084 R)
• M22: 33,658,773 km (0.082 R)
• M23: 42,513,172 km (0.079 R)
• M24: 47,980,076 km (0.068 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 11,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit