🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.9

Radius: 14.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.53 AU - 0.53 AU

Year: 262 Days

Day: 14.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 96.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,944,758 km

• M1: 181,612 km (0.09 R)
• M2: 794,813 km (0.111 R)
• M3: 1,443,171 km (0.04 R)
• M4: 2,535,086 km (0.059 R)
• M5: 3,550,855 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.9

Radius: 13.7

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.73 AU - 0.89 AU

Year: 494 Days

Day: 11.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,944,758 km

• M1: 170,691 km (0.078 R)
• M2: 617,690 km (0.117 R)
• M3: 1,086,978 km (0.061 R)
• M4: 1,541,456 km (0.114 R)
• M5: 2,000,872 km (0.1 R)
• M6: 2,476,294 km (0.096 R)
• M7: 2,919,552 km (0.111 R)
• M8: 4,036,001 km (0.099 R)
• M9: 4,523,989 km (0.029 R)
• M10: 5,020,056 km (0.115 R)
• M11: 5,824,144 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.4

Radius: 8.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.08 AU - 1.56 AU

Year: 1029 Days

Day: 9.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,944,758 km

• M1: 139,874 km (0.115 R)
• M2: 1,142,180 km (0.105 R)
• M3: 2,439,343 km (0.08 R)
• M4: 2,712,359 km (0.083 R)
• M5: 3,669,785 km (0.066 R)
• M6: 4,650,549 km (0.093 R)
• M7: 5,013,623 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.7

Radius: 9.5

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.49 AU - 3.59 AU

Year: 3595 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,944,758 km

• M1: 118,482 km (0.08 R)
• M2: 532,568 km (0.029 R)
• M3: 828,922 km (0.113 R)
• M4: 1,659,190 km (0.064 R)
• M5: 2,471,656 km (0.094 R)
• M6: 2,916,859 km (0.114 R)
• M7: 3,784,527 km (0.041 R)
• M8: 4,815,107 km (0.075 R)
• M9: 5,332,117 km (0.111 R)
• M10: 6,275,481 km (0.078 R)
• M11: 7,263,276 km (0.116 R)
• M12: 8,844,675 km (0.063 R)
• M13: 9,245,747 km (0.096 R)
• M14: 10,931,116 km (0.056 R)
• M15: 14,645,931 km (0.117 R)
• M16: 16,320,679 km (0.107 R)
• M17: 18,177,637 km (0.09 R)
• M18: 18,589,031 km (0.081 R)
• M19: 21,775,765 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.8

Radius: 13.4

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.76 AU - 4.08 AU

Year: 5264 Days

Day: 5.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,944,758 km

• M1: 167,101 km (0.066 R)
• M2: 669,899 km (0.051 R)
• M3: 1,436,738 km (0.07 R)
• M4: 1,941,481 km (0.069 R)
• M5: 3,020,231 km (0.116 R)
• M6: 6,494,792 km (0.073 R)
• M7: 7,824,268 km (0.096 R)
• M8: 8,435,674 km (0.103 R)
• M9: 8,955,677 km (0.112 R)
• M10: 11,493,455 km (0.05 R)
• M11: 14,309,186 km (0.027 R)
• M12: 15,519,134 km (0.096 R)
• M13: 17,685,759 km (0.099 R)
• M14: 22,082,291 km (0.046 R)
• M15: 27,854,675 km (0.048 R)
• M16: 32,573,291 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.2

Radius: 14.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.26 AU - 5.56 AU

Year: 8535 Days

Day: 14.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,944,758 km

• M1: 190,438 km (0.096 R)
• M2: 982,858 km (0.069 R)
• M3: 1,618,350 km (0.081 R)
• M4: 2,477,790 km (0.118 R)
• M5: 2,969,219 km (0.097 R)
• M6: 14,890,374 km (0.094 R)
• M7: 16,763,339 km (0.101 R)
• M8: 20,119,118 km (0.106 R)
• M9: 22,404,525 km (0.063 R)
• M10: 23,899,756 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546

Radius: 4.4

Gravity: 28.2 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.36 AU - 10.46 AU

Year: 22781 Days

Day: 18.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,944,758 km

• M1: 151,543 km (0.114 R)
• M2: 387,758 km (0.081 R)
• M3: 1,091,316 km (0.082 R)
• M4: 1,375,253 km (0.096 R)
• M5: 2,669,873 km (0.041 R)
• M6: 4,615,693 km (0.101 R)
• M7: 5,670,358 km (0.112 R)
• M8: 7,490,216 km (0.027 R)
• M9: 19,372,475 km (0.101 R)
• M10: 22,060,001 km (0.053 R)
• M11: 25,313,755 km (0.062 R)
• M12: 28,634,379 km (0.081 R)
• M13: 31,720,433 km (0.116 R)
• M14: 34,478,120 km (0.097 R)
• M15: 37,534,255 km (0.083 R)
• M16: 45,954,072 km (0.095 R)
• M17: 49,303,120 km (0.049 R)
• M18: 68,294,869 km (0.095 R)
• M19: 76,714,386 km (0.081 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 12,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit