🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.7

Radius: 14.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.47 AU - 0.71 AU

Year: 307 Days

Day: 9.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,955,432 km

• M1: 175,329 km (0.047 R)
• M2: 712,834 km (0.107 R)
• M3: 1,259,464 km (0.038 R)
• M4: 1,711,400 km (0.066 R)
• M5: 2,184,129 km (0.105 R)
• M6: 2,632,773 km (0.117 R)
• M7: 3,303,420 km (0.059 R)
• M8: 3,768,520 km (0.111 R)
• M9: 4,369,006 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.8

Radius: 11.4

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.08 AU - 1.56 AU

Year: 1029 Days

Day: 8.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 74.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,955,432 km

• M1: 141,819 km (0.06 R)
• M2: 639,980 km (0.084 R)
• M3: 1,017,266 km (0.06 R)
• M4: 1,582,297 km (0.093 R)
• M5: 1,958,386 km (0.066 R)
• M6: 2,417,801 km (0.103 R)
• M7: 2,793,142 km (0.091 R)
• M8: 4,383,816 km (0.086 R)
• M9: 5,701,923 km (0.029 R)
• M10: 6,173,455 km (0.095 R)
• M11: 6,764,068 km (0.115 R)
• M12: 7,592,990 km (0.042 R)
• M13: 8,352,348 km (0.073 R)
• M14: 8,792,615 km (0.093 R)
• M15: 10,022,609 km (0.111 R)
• M16: 10,968,965 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338

Radius: 14.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.09 AU - 5.15 AU

Year: 7858 Days

Day: 12.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,955,432 km

• M1: 178,021 km (0.109 R)
• M2: 794,065 km (0.094 R)
• M3: 1,267,543 km (0.093 R)
• M4: 1,827,787 km (0.087 R)
• M5: 2,436,201 km (0.104 R)
• M6: 3,258,242 km (0.068 R)
• M7: 3,835,989 km (0.103 R)
• M8: 4,356,888 km (0.102 R)
• M9: 6,054,675 km (0.12 R)
• M10: 6,865,495 km (0.113 R)
• M11: 7,932,876 km (0.067 R)
• M12: 9,067,127 km (0.086 R)
• M13: 10,041,607 km (0.115 R)
• M14: 20,366,404 km (0.031 R)
• M15: 23,404,886 km (0.081 R)
• M16: 25,235,814 km (0.109 R)
• M17: 25,811,617 km (0.106 R)
• M18: 27,246,260 km (0.1 R)
• M19: 32,061,068 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.6

Radius: 4.9

Gravity: 22.02 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.07 AU - 6.69 AU

Year: 9671 Days

Day: 23.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,955,432 km

• M1: 63,280 km (0.102 R)
• M2: 246,836 km (0.041 R)
• M3: 420,071 km (0.091 R)
• M4: 576,550 km (0.051 R)
• M5: 806,931 km (0.119 R)
• M6: 1,303,147 km (0.088 R)
• M7: 1,981,723 km (0.104 R)
• M8: 2,627,387 km (0.099 R)
• M9: 3,151,878 km (0.049 R)
• M10: 3,643,905 km (0.111 R)
• M11: 3,895,529 km (0.107 R)
• M12: 4,868,663 km (0.12 R)
• M13: 5,689,506 km (0.093 R)
• M14: 6,859,062 km (0.112 R)
• M15: 7,641,310 km (0.076 R)
• M16: 8,923,513 km (0.093 R)
• M17: 11,421,648 km (0.105 R)
• M18: 12,015,701 km (0.112 R)
• M19: 18,465,015 km (0.113 R)
• M20: 21,309,618 km (0.088 R)
• M21: 23,217,590 km (0.118 R)
• M22: 24,698,908 km (0.05 R)
• M23: 29,519,250 km (0.03 R)
• M24: 33,493,168 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.6

Radius: 3.2

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.64 AU - 9 AU

Year: 17766 Days

Day: 18.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,955,432 km

• M1: 90,208 km (0.116 R)
• M2: 382,073 km (0.093 R)
• M3: 614,548 km (0.078 R)
• M4: 1,354,160 km (0.114 R)
• M5: 1,786,199 km (0.081 R)
• M6: 2,073,426 km (0.085 R)
• M7: 3,864,711 km (0.073 R)
• M8: 3,986,933 km (0.077 R)
• M9: 4,213,723 km (0.102 R)
• M10: 4,720,411 km (0.062 R)
• M11: 7,011,203 km (0.114 R)
• M12: 7,230,215 km (0.081 R)
• M13: 8,892,696 km (0.106 R)
• M14: 9,632,457 km (0.071 R)
• M15: 10,649,573 km (0.117 R)
• M16: 18,636,304 km (0.062 R)
• M17: 26,838,008 km (0.107 R)
• M18: 27,643,592 km (0.043 R)
• M19: 32,114,474 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 17,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit