🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.6

Radius: 8.8

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.44 AU - 1.78 AU

Year: 1299 Days

Day: 5.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,039,562 km

• M1: 109,506 km (0.115 R)
• M2: 470,037 km (0.103 R)
• M3: 863,329 km (0.09 R)
• M4: 1,261,110 km (0.06 R)
• M5: 1,544,598 km (0.118 R)
• M6: 1,996,832 km (0.118 R)
• M7: 2,582,358 km (0.064 R)
• M8: 3,838,532 km (0.067 R)
• M9: 4,815,705 km (0.108 R)
• M10: 5,421,427 km (0.083 R)
• M11: 5,845,836 km (0.107 R)
• M12: 6,923,090 km (0.099 R)
• M13: 8,336,341 km (0.075 R)
• M14: 9,523,101 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.5

Radius: 12.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.8 AU - 2.84 AU

Year: 2247 Days

Day: 12.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,039,562 km

• M1: 154,235 km (0.096 R)
• M2: 546,032 km (0.081 R)
• M3: 1,085,033 km (0.098 R)
• M4: 1,649,017 km (0.1 R)
• M5: 3,028,459 km (0.119 R)
• M6: 3,786,173 km (0.112 R)
• M7: 5,173,094 km (0.117 R)
• M8: 5,867,378 km (0.067 R)
• M9: 7,154,668 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.9

Radius: 11.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.34 AU - 3.52 AU

Year: 3189 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,039,562 km

• M1: 138,079 km (0.093 R)
• M2: 752,776 km (0.057 R)
• M3: 1,189,901 km (0.072 R)
• M4: 2,240,079 km (0.107 R)
• M5: 3,668,888 km (0.078 R)
• M6: 4,455,623 km (0.108 R)
• M7: 5,949,059 km (0.096 R)
• M8: 6,447,818 km (0.047 R)
• M9: 6,914,264 km (0.109 R)
• M10: 7,720,447 km (0.083 R)
• M11: 10,241,769 km (0.048 R)
• M12: 10,959,390 km (0.119 R)
• M13: 13,976,480 km (0.115 R)
• M14: 19,478,840 km (0.101 R)
• M15: 21,529,527 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.1

Radius: 12.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.16 AU - 3.24 AU

Year: 3640 Days

Day: 10.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,039,562 km

• M1: 155,432 km (0.113 R)
• M2: 560,992 km (0.089 R)
• M3: 1,001,259 km (0.086 R)
• M4: 1,886,429 km (0.091 R)
• M5: 2,288,847 km (0.109 R)
• M6: 3,383,904 km (0.093 R)
• M7: 3,806,667 km (0.051 R)
• M8: 4,341,480 km (0.06 R)
• M9: 5,053,566 km (0.102 R)
• M10: 6,505,413 km (0.088 R)
• M11: 7,355,727 km (0.058 R)
• M12: 7,750,366 km (0.096 R)
• M13: 8,369,103 km (0.076 R)
• M14: 8,862,477 km (0.115 R)
• M15: 9,738,971 km (0.105 R)
• M16: 11,106,146 km (0.057 R)
• M17: 11,589,197 km (0.05 R)
• M18: 12,163,952 km (0.031 R)
• M19: 12,878,731 km (0.062 R)
• M20: 14,003,109 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290

Radius: 14.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.55 AU - 3.97 AU

Year: 3742 Days

Day: 13.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,039,562 km

• M1: 177,872 km (0.104 R)
• M2: 662,868 km (0.089 R)
• M3: 2,238,134 km (0.1 R)
• M4: 3,291,752 km (0.068 R)
• M5: 3,884,309 km (0.051 R)
• M6: 4,421,515 km (0.084 R)
• M7: 5,452,244 km (0.075 R)
• M8: 6,609,982 km (0.067 R)
• M9: 7,589,100 km (0.032 R)
• M10: 8,113,889 km (0.034 R)
• M11: 8,564,179 km (0.097 R)
• M12: 10,802,013 km (0.105 R)
• M13: 11,830,648 km (0.118 R)
• M14: 13,719,322 km (0.104 R)
• M15: 16,101,069 km (0.091 R)
• M16: 18,196,038 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.9

Radius: 5.3

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.04 AU - 9.14 AU

Year: 14630 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 90.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,039,562 km

• M1: 99,632 km (0.117 R)
• M2: 391,797 km (0.051 R)
• M3: 583,282 km (0.086 R)
• M4: 1,154,447 km (0.116 R)
• M5: 1,340,696 km (0.048 R)
• M6: 1,686,716 km (0.071 R)
• M7: 2,369,032 km (0.118 R)
• M8: 3,242,833 km (0.096 R)
• M9: 4,973,830 km (0.117 R)
• M10: 5,218,722 km (0.051 R)
• M11: 7,717,006 km (0.057 R)
• M12: 8,469,035 km (0.096 R)
• M13: 12,917,477 km (0.11 R)
• M14: 15,088,740 km (0.08 R)
• M15: 17,915,542 km (0.104 R)
• M16: 20,603,816 km (0.109 R)
• M17: 21,475,971 km (0.055 R)
• M18: 22,043,545 km (0.1 R)
• M19: 23,463,828 km (0.109 R)
• M20: 23,806,556 km (0.087 R)
• M21: 32,643,751 km (0.118 R)
• M22: 39,813,529 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 15,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit