🌌 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: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.4

Radius: 13.8

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.76 AU - 0.86 AU

Year: 464 Days

Day: 10.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 137.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,565,171 km

• M1: 171,738 km (0.117 R)
• M2: 648,357 km (0.071 R)
• M3: 1,415,495 km (0.084 R)
• M4: 1,869,076 km (0.11 R)
• M5: 2,325,798 km (0.062 R)
• M6: 2,949,771 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 10.4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.94 AU - 1.1 AU

Year: 655 Days

Day: 5.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,565,171 km

• M1: 129,701 km (0.053 R)
• M2: 460,911 km (0.057 R)
• M3: 843,732 km (0.039 R)
• M4: 1,206,656 km (0.094 R)
• M5: 1,707,959 km (0.071 R)
• M6: 2,031,539 km (0.108 R)
• M7: 2,365,292 km (0.095 R)
• M8: 3,045,663 km (0.12 R)
• M9: 3,392,132 km (0.082 R)
• M10: 3,851,696 km (0.112 R)
• M11: 4,594,151 km (0.089 R)
• M12: 5,767,596 km (0.107 R)
• M13: 6,260,671 km (0.035 R)
• M14: 6,803,262 km (0.092 R)
• M15: 8,126,904 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.1

Radius: 14.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.79 AU - 4.01 AU

Year: 3986 Days

Day: 10.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,565,171 km

• M1: 182,809 km (0.116 R)
• M2: 859,739 km (0.06 R)
• M3: 1,344,586 km (0.09 R)
• M4: 1,862,045 km (0.108 R)
• M5: 2,375,315 km (0.058 R)
• M6: 2,930,622 km (0.102 R)
• M7: 3,613,237 km (0.072 R)
• M8: 4,687,350 km (0.118 R)
• M9: 5,709,104 km (0.101 R)
• M10: 6,623,446 km (0.107 R)
• M11: 7,980,598 km (0.083 R)
• M12: 9,318,900 km (0.075 R)
• M13: 13,018,456 km (0.101 R)
• M14: 13,922,924 km (0.093 R)
• M15: 15,030,846 km (0.07 R)
• M16: 17,422,018 km (0.048 R)
• M17: 18,771,092 km (0.089 R)
• M18: 19,406,883 km (0.092 R)
• M19: 20,387,497 km (0.082 R)
• M20: 21,127,558 km (0.096 R)
• M21: 23,528,454 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 14.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.87 AU - 4.71 AU

Year: 4691 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,565,171 km

• M1: 185,501 km (0.058 R)
• M2: 652,097 km (0.093 R)
• M3: 1,321,697 km (0.118 R)
• M4: 1,860,250 km (0.106 R)
• M5: 2,725,673 km (0.037 R)
• M6: 3,811,155 km (0.104 R)
• M7: 5,347,974 km (0.116 R)
• M8: 5,838,207 km (0.115 R)
• M9: 6,564,953 km (0.085 R)
• M10: 8,445,249 km (0.112 R)
• M11: 11,216,699 km (0.099 R)
• M12: 11,712,316 km (0.063 R)
• M13: 13,078,145 km (0.076 R)
• M14: 14,369,324 km (0.084 R)
• M15: 15,555,785 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.4

Radius: 8.9

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.65 AU - 5.73 AU

Year: 6458 Days

Day: 14.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,565,171 km

• M1: 110,702 km (0.12 R)
• M2: 408,552 km (0.114 R)
• M3: 872,754 km (0.07 R)
• M4: 2,373,221 km (0.049 R)
• M5: 2,919,851 km (0.081 R)
• M6: 9,438,728 km (0.077 R)
• M7: 10,061,354 km (0.116 R)
• M8: 15,032,192 km (0.11 R)
• M9: 16,443,499 km (0.075 R)
• M10: 16,890,198 km (0.11 R)
• M11: 17,214,077 km (0.083 R)
• M12: 17,542,146 km (0.038 R)
• M13: 22,195,836 km (0.111 R)
• M14: 26,639,192 km (0.101 R)
• M15: 30,864,135 km (0.119 R)
• M16: 34,988,399 km (0.025 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.2

Radius: 7.9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.74 AU - 7.64 AU

Year: 12258 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,565,171 km

• M1: 100,679 km (0.059 R)
• M2: 665,262 km (0.118 R)
• M3: 1,203,066 km (0.094 R)
• M4: 1,472,791 km (0.103 R)
• M5: 2,623,348 km (0.117 R)
• M6: 3,342,914 km (0.044 R)
• M7: 3,771,213 km (0.081 R)
• M8: 4,308,419 km (0.09 R)
• M9: 4,763,645 km (0.115 R)
• M10: 7,013,597 km (0.067 R)
• M11: 8,160,115 km (0.103 R)
• M12: 9,678,085 km (0.111 R)
• M13: 10,194,197 km (0.085 R)
• M14: 11,517,390 km (0.079 R)
• M15: 12,294,701 km (0.111 R)
• M16: 13,525,293 km (0.087 R)
• M17: 16,110,344 km (0.056 R)
• M18: 17,393,146 km (0.114 R)
• M19: 20,022,777 km (0.026 R)
• M20: 21,073,702 km (0.097 R)
• M21: 27,904,640 km (0.099 R)
• M22: 30,291,774 km (0.112 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: 214 - 16,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit