🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.9

Radius: 9.1

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.44 AU - 0.64 AU

Year: 274 Days

Day: 11.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,799,305 km

• M1: 113,246 km (0.116 R)
• M2: 399,277 km (0.052 R)
• M3: 846,574 km (0.086 R)
• M4: 1,571,825 km (0.089 R)
• M5: 2,092,575 km (0.07 R)
• M6: 2,580,264 km (0.107 R)
• M7: 3,427,138 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.1

Radius: 10.9

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.52 AU - 0.6 AU

Year: 289 Days

Day: 6.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 75,799,305 km

• M1: 135,536 km (0.061 R)
• M2: 536,308 km (0.081 R)
• M3: 927,357 km (0.117 R)
• M4: 1,703,022 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781

Radius: 9.4

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.78 AU - 0.8 AU

Year: 485 Days

Day: 11.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,799,305 km

• M1: 116,836 km (0.102 R)
• M2: 429,645 km (0.063 R)
• M3: 831,166 km (0.069 R)
• M4: 1,175,540 km (0.104 R)
• M5: 1,736,682 km (0.111 R)
• M6: 2,128,179 km (0.109 R)
• M7: 2,477,341 km (0.045 R)
• M8: 3,280,382 km (0.116 R)
• M9: 3,657,070 km (0.097 R)
• M10: 4,291,065 km (0.114 R)
• M11: 4,604,024 km (0.109 R)
• M12: 5,110,263 km (0.09 R)
• M13: 5,794,973 km (0.036 R)
• M14: 6,234,491 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 13.8

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.83 AU - 0.89 AU

Year: 551 Days

Day: 13.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,799,305 km

• M1: 171,589 km (0.076 R)
• M2: 673,490 km (0.053 R)
• M3: 2,371,425 km (0.094 R)
• M4: 2,839,816 km (0.117 R)
• M5: 3,275,745 km (0.083 R)
• M6: 3,743,687 km (0.117 R)
• M7: 4,313,056 km (0.08 R)
• M8: 6,156,700 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 14.6

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.54 AU - 2.18 AU

Year: 1751 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,799,305 km

• M1: 181,612 km (0.108 R)
• M2: 649,704 km (0.059 R)
• M3: 1,112,859 km (0.117 R)
• M4: 1,636,451 km (0.107 R)
• M5: 2,840,714 km (0.119 R)
• M6: 3,665,148 km (0.071 R)
• M7: 4,556,452 km (0.086 R)
• M8: 5,588,378 km (0.111 R)
• M9: 6,589,188 km (0.079 R)
• M10: 7,532,402 km (0.071 R)
• M11: 9,312,019 km (0.102 R)
• M12: 10,194,048 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.7

Radius: 12.7

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.88 AU - 2.88 AU

Year: 2534 Days

Day: 11.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,799,305 km

• M1: 159,322 km (0.104 R)
• M2: 927,208 km (0.12 R)
• M3: 1,359,246 km (0.084 R)
• M4: 2,633,671 km (0.11 R)
• M5: 3,619,670 km (0.084 R)
• M6: 4,589,663 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.2

Radius: 14.2

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.54 AU - 4.86 AU

Year: 7033 Days

Day: 7.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,799,305 km

• M1: 177,273 km (0.09 R)
• M2: 794,215 km (0.105 R)
• M3: 1,589,627 km (0.082 R)
• M4: 2,063,403 km (0.054 R)
• M5: 2,781,623 km (0.056 R)
• M6: 3,685,344 km (0.107 R)
• M7: 4,585,923 km (0.045 R)
• M8: 6,648,429 km (0.103 R)
• M9: 8,102,520 km (0.108 R)
• M10: 12,413,631 km (0.039 R)
• M11: 13,735,478 km (0.081 R)
• M12: 14,667,473 km (0.103 R)
• M13: 15,455,554 km (0.094 R)
• M14: 19,320,266 km (0.085 R)
• M15: 22,176,089 km (0.068 R)
• M16: 22,731,396 km (0.081 R)
• M17: 24,790,611 km (0.111 R)
• M18: 26,348,374 km (0.118 R)
• M19: 30,624,779 km (0.11 R)
• M20: 31,712,205 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.5

Radius: 7.4

Gravity: 14.29 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.92 AU - 10.06 AU

Year: 18606 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,799,305 km

• M1: 96,939 km (0.109 R)
• M2: 337,493 km (0.105 R)
• M3: 744,249 km (0.058 R)
• M4: 1,753,885 km (0.091 R)
• M5: 2,095,567 km (0.098 R)
• M6: 2,325,648 km (0.107 R)
• M7: 2,690,966 km (0.059 R)
• M8: 3,683,399 km (0.079 R)
• M9: 4,378,879 km (0.109 R)
• M10: 5,121,334 km (0.067 R)
• M11: 6,990,858 km (0.101 R)
• M12: 7,902,059 km (0.073 R)
• M13: 9,555,414 km (0.067 R)
• M14: 10,737,088 km (0.076 R)
• M15: 11,491,211 km (0.12 R)
• M16: 12,280,040 km (0.029 R)
• M17: 12,619,179 km (0.101 R)
• M18: 13,602,186 km (0.084 R)
• M19: 17,788,234 km (0.064 R)
• M20: 19,476,745 km (0.066 R)
• M21: 34,654,945 km (0.11 R)
• M22: 40,028,650 km (0.099 R)
• M23: 41,075,686 km (0.107 R)
• M24: 44,485,021 km (0.101 R)
• M25: 46,421,865 km (0.076 R)
• M26: 47,079,796 km (0.112 R)
• M27: 52,037,021 km (0.088 R)
• M28: 52,568,841 km (0.059 R)
• M29: 55,836,358 km (0.112 R)
• M30: 59,429,699 km (0.114 R)
• M31: 60,400,290 km (0.077 R)
• M32: 65,618,413 km (0.077 R)
• M33: 68,336,756 km (0.115 R)
• M34: 70,046,361 km (0.102 R)
• M35: 71,347,114 km (0.106 R)
• M36: 73,996,792 km (0.112 R)
• M37: 74,669,384 km (0.038 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 14,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit