🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 12.1

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.56 AU - 0.66 AU

Year: 335 Days

Day: 7.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,967,155 km

• M1: 150,495 km (0.058 R)
• M2: 561,740 km (0.094 R)
• M3: 985,401 km (0.103 R)
• M4: 1,399,488 km (0.108 R)
• M5: 1,887,626 km (0.105 R)
• M6: 2,345,545 km (0.115 R)
• M7: 2,852,083 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761

Radius: 9.6

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.99 AU - 1.25 AU

Year: 833 Days

Day: 13.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,967,155 km

• M1: 119,379 km (0.055 R)
• M2: 455,376 km (0.103 R)
• M3: 965,804 km (0.106 R)
• M4: 1,302,249 km (0.083 R)
• M5: 1,666,670 km (0.071 R)
• M6: 2,252,346 km (0.103 R)
• M7: 2,832,187 km (0.102 R)
• M8: 3,862,617 km (0.104 R)
• M9: 5,088,721 km (0.105 R)
• M10: 5,841,647 km (0.04 R)
• M11: 6,213,398 km (0.069 R)
• M12: 6,845,599 km (0.051 R)
• M13: 7,259,087 km (0.083 R)
• M14: 7,616,476 km (0.038 R)
• M15: 7,935,569 km (0.035 R)
• M16: 8,470,082 km (0.114 R)
• M17: 8,866,367 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.9

Radius: 11.1

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.3 AU - 1.36 AU

Year: 1078 Days

Day: 7.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,967,155 km

• M1: 138,079 km (0.093 R)
• M2: 499,657 km (0.107 R)
• M3: 1,035,516 km (0.065 R)
• M4: 1,493,286 km (0.103 R)
• M5: 1,966,015 km (0.051 R)
• M6: 2,624,695 km (0.052 R)
• M7: 3,104,455 km (0.119 R)
• M8: 3,683,997 km (0.04 R)
• M9: 4,318,741 km (0.109 R)
• M10: 5,077,202 km (0.081 R)
• M11: 5,433,694 km (0.115 R)
• M12: 5,787,792 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 13.7

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.76 AU - 1.78 AU

Year: 1655 Days

Day: 12.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,967,155 km

• M1: 170,542 km (0.12 R)
• M2: 612,753 km (0.034 R)
• M3: 2,098,260 km (0.084 R)
• M4: 2,924,938 km (0.068 R)
• M5: 4,095,691 km (0.102 R)
• M6: 5,159,780 km (0.085 R)
• M7: 5,889,219 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.9

Radius: 14.6

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.02 AU - 2.54 AU

Year: 2420 Days

Day: 7.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 79,967,155 km

• M1: 186,997 km (0.095 R)
• M2: 1,034,020 km (0.093 R)
• M3: 2,544,660 km (0.08 R)
• M4: 5,065,683 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.8

Radius: 11.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.28 AU - 2.7 AU

Year: 2762 Days

Day: 13.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,967,155 km

• M1: 144,362 km (0.043 R)
• M2: 565,031 km (0.113 R)
• M3: 1,271,432 km (0.098 R)
• M4: 1,653,655 km (0.1 R)
• M5: 2,070,435 km (0.116 R)
• M6: 2,608,089 km (0.108 R)
• M7: 3,636,275 km (0.089 R)
• M8: 4,897,236 km (0.036 R)
• M9: 6,693,757 km (0.032 R)
• M10: 7,794,647 km (0.067 R)
• M11: 9,222,110 km (0.115 R)
• M12: 10,484,118 km (0.062 R)
• M13: 12,403,159 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.7

Radius: 10.3

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.13 AU - 2.89 AU

Year: 2795 Days

Day: 13.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,967,155 km

• M1: 128,056 km (0.079 R)
• M2: 570,865 km (0.078 R)
• M3: 894,595 km (0.119 R)
• M4: 1,280,259 km (0.106 R)
• M5: 1,661,584 km (0.097 R)
• M6: 2,078,962 km (0.087 R)
• M7: 2,903,545 km (0.1 R)
• M8: 3,271,257 km (0.118 R)
• M9: 3,912,433 km (0.056 R)
• M10: 4,384,863 km (0.109 R)
• M11: 4,728,639 km (0.092 R)
• M12: 5,240,264 km (0.106 R)
• M13: 5,681,129 km (0.043 R)
• M14: 6,062,753 km (0.099 R)
• M15: 7,154,518 km (0.071 R)
• M16: 8,234,615 km (0.114 R)
• M17: 8,582,430 km (0.05 R)
• M18: 12,532,113 km (0.118 R)
• M19: 12,853,599 km (0.111 R)
• M20: 13,657,687 km (0.074 R)
• M21: 14,344,641 km (0.048 R)
• M22: 15,787,662 km (0.11 R)
• M23: 16,380,219 km (0.117 R)
• M24: 19,080,460 km (0.086 R)
• M25: 19,445,330 km (0.105 R)
• M26: 20,188,981 km (0.095 R)
• M27: 21,080,584 km (0.101 R)
• M28: 22,737,380 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 8.2

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.72 AU - 4.2 AU

Year: 4524 Days

Day: 11.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,967,155 km

• M1: 102,026 km (0.118 R)
• M2: 386,411 km (0.097 R)
• M3: 885,470 km (0.07 R)
• M4: 1,523,804 km (0.111 R)
• M5: 2,549,297 km (0.118 R)
• M6: 2,814,235 km (0.07 R)
• M7: 3,265,422 km (0.077 R)
• M8: 3,681,005 km (0.081 R)
• M9: 4,221,353 km (0.117 R)
• M10: 4,666,556 km (0.044 R)
• M11: 5,299,654 km (0.115 R)
• M12: 6,612,675 km (0.049 R)
• M13: 6,924,586 km (0.062 R)
• M14: 7,411,079 km (0.045 R)
• M15: 7,850,747 km (0.109 R)
• M16: 9,430,500 km (0.038 R)
• M17: 12,019,740 km (0.074 R)
• M18: 15,209,466 km (0.119 R)
• M19: 18,551,482 km (0.097 R)
• M20: 24,067,754 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.6

Radius: 10.9

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.93 AU - 5.35 AU

Year: 8191 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,967,155 km

• M1: 135,984 km (0.08 R)
• M2: 775,665 km (0.1 R)
• M3: 1,174,343 km (0.109 R)
• M4: 1,644,081 km (0.098 R)
• M5: 2,140,297 km (0.092 R)
• M6: 2,549,148 km (0.063 R)
• M7: 2,889,932 km (0.069 R)
• M8: 3,414,272 km (0.106 R)
• M9: 4,572,459 km (0.069 R)
• M10: 5,138,238 km (0.109 R)
• M11: 6,652,617 km (0.112 R)
• M12: 7,380,112 km (0.07 R)
• M13: 10,255,233 km (0.08 R)
• M14: 11,682,547 km (0.077 R)
• M15: 13,238,065 km (0.118 R)
• M16: 14,927,324 km (0.119 R)
• M17: 16,887,356 km (0.069 R)
• M18: 19,444,432 km (0.097 R)
• M19: 21,005,336 km (0.118 R)
• M20: 22,328,829 km (0.057 R)
• M21: 26,543,001 km (0.049 R)
• M22: 29,983,452 km (0.103 R)
• M23: 32,674,120 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.3

Radius: 4.7

Gravity: 26.36 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.92 AU - 11.76 AU

Year: 23372 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,967,155 km

• M1: 70,311 km (0.113 R)
• M2: 494,122 km (0.083 R)
• M3: 1,149,360 km (0.116 R)
• M4: 1,927,868 km (0.038 R)
• M5: 2,130,872 km (0.041 R)
• M6: 3,144,098 km (0.117 R)
• M7: 3,786,621 km (0.106 R)
• M8: 4,408,649 km (0.093 R)
• M9: 4,583,080 km (0.038 R)
• M10: 5,606,180 km (0.061 R)
• M11: 7,388,788 km (0.115 R)
• M12: 7,989,573 km (0.094 R)
• M13: 10,534,233 km (0.072 R)
• M14: 10,846,594 km (0.063 R)
• M15: 11,954,964 km (0.107 R)
• M16: 14,091,671 km (0.055 R)
• M17: 16,056,339 km (0.077 R)
• M18: 16,469,978 km (0.073 R)
• M19: 17,318,796 km (0.091 R)
• M20: 18,736,685 km (0.1 R)
• M21: 19,755,296 km (0.082 R)
• M22: 25,406,655 km (0.037 R)
• M23: 26,653,105 km (0.069 R)
• M24: 28,900,962 km (0.108 R)
• M25: 31,529,098 km (0.109 R)
• M26: 36,255,942 km (0.108 R)
• M27: 46,080,333 km (0.084 R)
• M28: 48,614,670 km (0.091 R)
• M29: 55,072,811 km (0.12 R)
• M30: 59,879,241 km (0.108 R)
• M31: 60,275,376 km (0.109 R)
• M32: 61,675,612 km (0.099 R)
• M33: 69,221,328 km (0.106 R)
• M34: 71,421,464 km (0.031 R)
• M35: 76,192,589 km (0.046 R)
• M36: 77,124,883 km (0.16 R)
• M37: 78,064,657 km (0.153 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 13,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit