🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291

Radius: 11.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.1 AU - 1.44 AU

Year: 988 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,126,021 km

• M1: 147,952 km (0.071 R)
• M2: 546,331 km (0.09 R)
• M3: 1,075,160 km (0.108 R)
• M4: 1,754,933 km (0.059 R)
• M5: 2,250,850 km (0.097 R)
• M6: 2,661,496 km (0.08 R)
• M7: 3,346,953 km (0.115 R)
• M8: 3,732,018 km (0.108 R)
• M9: 4,513,368 km (0.115 R)
• M10: 5,294,717 km (0.113 R)
• M11: 5,858,103 km (0.115 R)
• M12: 6,746,714 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.5

Radius: 14.3

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.25 AU - 2.49 AU

Year: 2518 Days

Day: 7.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,126,021 km

• M1: 178,321 km (0.093 R)
• M2: 693,536 km (0.089 R)
• M3: 1,160,730 km (0.107 R)
• M4: 1,636,750 km (0.102 R)
• M5: 3,379,865 km (0.095 R)
• M6: 6,119,151 km (0.118 R)
• M7: 6,728,912 km (0.081 R)
• M8: 7,212,562 km (0.056 R)
• M9: 8,310,910 km (0.109 R)
• M10: 9,617,946 km (0.083 R)
• M11: 10,515,384 km (0.072 R)
• M12: 11,280,278 km (0.083 R)
• M13: 13,714,534 km (0.047 R)
• M14: 14,407,023 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.1

Radius: 13.6

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.31 AU - 3.13 AU

Year: 3096 Days

Day: 9 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,126,021 km

• M1: 169,494 km (0.112 R)
• M2: 1,001,707 km (0.073 R)
• M3: 1,576,313 km (0.084 R)
• M4: 4,846,672 km (0.113 R)
• M5: 6,132,166 km (0.089 R)
• M6: 7,413,322 km (0.099 R)
• M7: 8,591,406 km (0.068 R)
• M8: 9,146,563 km (0.096 R)
• M9: 12,600,928 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.8

Radius: 10.7

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.2 AU - 3.46 AU

Year: 3286 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,126,021 km

• M1: 133,142 km (0.117 R)
• M2: 518,057 km (0.082 R)
• M3: 2,237,535 km (0.09 R)
• M4: 2,667,330 km (0.117 R)
• M5: 3,627,898 km (0.095 R)
• M6: 4,605,819 km (0.105 R)
• M7: 5,393,452 km (0.066 R)
• M8: 7,262,378 km (0.088 R)
• M9: 7,895,925 km (0.073 R)
• M10: 9,085,228 km (0.059 R)
• M11: 11,448,127 km (0.088 R)
• M12: 11,928,186 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.6

Radius: 14.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.4 AU - 4.52 AU

Year: 5439 Days

Day: 13.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 14,126,021 km

• M1: 185,801 km (0.073 R)
• M2: 834,906 km (0.117 R)
• M3: 1,307,785 km (0.109 R)
• M4: 3,149,484 km (0.042 R)
• M5: 4,039,591 km (0.113 R)
• M6: 4,738,812 km (0.086 R)
• M7: 6,112,868 km (0.101 R)
• M8: 7,773,554 km (0.1 R)
• M9: 8,783,938 km (0.056 R)
• M10: 9,839,800 km (0.102 R)
• M11: 10,504,463 km (0.107 R)
• M12: 11,422,097 km (0.055 R)
• M13: 12,440,260 km (0.096 R)
• M14: 14,498,427 km (0.085 R)
• M15: 15,087,244 km (0.102 R)
• M16: 18,522,909 km (0.092 R)
• M17: 19,344,800 km (0.116 R)
• M18: 23,384,391 km (0.119 R)
• M19: 24,120,861 km (0.085 R)
• M20: 25,177,770 km (0.029 R)
• M21: 26,661,333 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.1

Radius: 11.3

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.68 AU - 4.82 AU

Year: 6048 Days

Day: 6.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,126,021 km

• M1: 141,220 km (0.109 R)
• M2: 650,152 km (0.097 R)
• M3: 1,505,254 km (0.112 R)
• M4: 2,070,584 km (0.112 R)
• M5: 2,700,242 km (0.057 R)
• M6: 3,326,309 km (0.119 R)
• M7: 4,143,861 km (0.105 R)
• M8: 5,062,392 km (0.054 R)
• M9: 5,555,317 km (0.081 R)
• M10: 10,176,395 km (0.036 R)
• M11: 12,041,731 km (0.042 R)
• M12: 15,944,440 km (0.102 R)
• M13: 17,005,987 km (0.115 R)
• M14: 18,314,519 km (0.097 R)
• M15: 21,131,148 km (0.095 R)
• M16: 24,063,266 km (0.051 R)
• M17: 28,052,294 km (0.07 R)
• M18: 30,062,590 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.7

Radius: 5.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.12 AU - 6.96 AU

Year: 10246 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,126,021 km

• M1: 63,429 km (0.083 R)
• M2: 262,694 km (0.12 R)
• M3: 697,874 km (0.053 R)
• M4: 1,105,229 km (0.112 R)
• M5: 2,493,497 km (0.108 R)
• M6: 4,088,061 km (0.086 R)
• M7: 4,485,094 km (0.092 R)
• M8: 5,139,285 km (0.101 R)
• M9: 6,944,333 km (0.102 R)
• M10: 8,548,172 km (0.12 R)
• M11: 10,590,931 km (0.12 R)
• M12: 12,234,862 km (0.115 R)
• M13: 12,466,290 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 19,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit