🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.6

Radius: 12.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.62 AU - 1.02 AU

Year: 513 Days

Day: 9.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,345,802 km

• M1: 160,519 km (0.105 R)
• M2: 674,836 km (0.054 R)
• M3: 1,156,990 km (0.103 R)
• M4: 1,798,765 km (0.111 R)
• M5: 2,460,735 km (0.065 R)
• M6: 3,070,646 km (0.097 R)
• M7: 3,476,655 km (0.06 R)
• M8: 4,100,926 km (0.101 R)
• M9: 4,595,796 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26

Radius: 12.2

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.73 AU - 2.88 AU

Year: 2408 Days

Day: 10.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 144.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,345,802 km

• M1: 151,842 km (0.093 R)
• M2: 1,011,880 km (0.08 R)
• M3: 1,426,565 km (0.112 R)
• M4: 1,924,427 km (0.091 R)
• M5: 3,196,458 km (0.093 R)
• M6: 5,466,306 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.9

Radius: 12.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.33 AU - 2.57 AU

Year: 2647 Days

Day: 8.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,345,802 km

• M1: 150,645 km (0.046 R)
• M2: 1,210,995 km (0.069 R)
• M3: 1,594,863 km (0.118 R)
• M4: 2,175,153 km (0.098 R)
• M5: 2,836,974 km (0.054 R)
• M6: 3,514,652 km (0.058 R)
• M7: 4,486,590 km (0.025 R)
• M8: 6,257,829 km (0.085 R)
• M9: 6,983,977 km (0.09 R)
• M10: 8,279,345 km (0.076 R)
• M11: 9,534,919 km (0.059 R)
• M12: 10,091,274 km (0.06 R)
• M13: 10,913,613 km (0.095 R)
• M14: 11,966,184 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.2

Radius: 9.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.76 AU - 2.8 AU

Year: 3199 Days

Day: 10.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,345,802 km

• M1: 130,898 km (0.085 R)
• M2: 468,840 km (0.058 R)
• M3: 1,024,895 km (0.111 R)
• M4: 1,436,888 km (0.07 R)
• M5: 2,690,069 km (0.072 R)
• M6: 3,937,715 km (0.095 R)
• M7: 4,344,322 km (0.078 R)
• M8: 5,053,566 km (0.096 R)
• M9: 5,559,506 km (0.109 R)
• M10: 6,616,863 km (0.063 R)
• M11: 7,524,474 km (0.12 R)
• M12: 9,585,633 km (0.107 R)
• M13: 14,981,180 km (0.051 R)
• M14: 18,093,862 km (0.086 R)
• M15: 18,482,967 km (0.08 R)
• M16: 18,934,602 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.3

Radius: 14.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.09 AU - 6.25 AU

Year: 8114 Days

Day: 9.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,345,802 km

• M1: 205,547 km (0.077 R)
• M2: 816,356 km (0.1 R)
• M3: 1,359,994 km (0.119 R)
• M4: 2,184,129 km (0.082 R)
• M5: 3,143,650 km (0.109 R)
• M6: 4,397,429 km (0.083 R)
• M7: 7,504,428 km (0.119 R)
• M8: 10,219,629 km (0.065 R)
• M9: 10,937,400 km (0.098 R)
• M10: 12,531,215 km (0.082 R)
• M11: 15,502,678 km (0.068 R)
• M12: 16,040,183 km (0.087 R)
• M13: 17,294,860 km (0.082 R)
• M14: 18,315,417 km (0.028 R)
• M15: 19,298,574 km (0.112 R)
• M16: 21,042,436 km (0.118 R)
• M17: 25,765,092 km (0.078 R)
• M18: 33,435,274 km (0.099 R)
• M19: 34,333,908 km (0.1 R)
• M20: 42,242,250 km (0.114 R)
• M21: 43,160,332 km (0.034 R)
• M22: 44,494,895 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618

Radius: 3.9

Gravity: 40.63 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.31 AU - 6.07 AU

Year: 9369 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,345,802 km

• M1: 98,286 km (0.112 R)
• M2: 464,651 km (0.034 R)
• M3: 623,374 km (0.106 R)
• M4: 809,175 km (0.081 R)
• M5: 969,693 km (0.111 R)
• M6: 2,635,914 km (0.118 R)
• M7: 4,139,223 km (0.119 R)
• M8: 4,826,027 km (0.114 R)
• M9: 5,039,803 km (0.105 R)
• M10: 5,685,916 km (0.1 R)
• M11: 6,349,233 km (0.104 R)
• M12: 7,378,317 km (0.094 R)
• M13: 7,911,483 km (0.083 R)
• M14: 8,691,487 km (0.076 R)
• M15: 11,660,705 km (0.049 R)
• M16: 13,311,967 km (0.068 R)
• M17: 17,926,163 km (0.084 R)
• M18: 19,417,355 km (0.074 R)
• M19: 20,350,546 km (0.067 R)
• M20: 27,541,716 km (0.037 R)
• M21: 34,654,945 km (0.052 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 11,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit