🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.1

Radius: 12.7

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.45 AU - 0.65 AU

Year: 277 Days

Day: 12.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 97.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,784,139 km

• M1: 157,975 km (0.08 R)
• M2: 969,095 km (0.09 R)
• M3: 1,518,119 km (0.083 R)
• M4: 2,255,038 km (0.112 R)
• M5: 2,687,975 km (0.053 R)
• M6: 3,666,045 km (0.056 R)
• M7: 4,078,337 km (0.072 R)
• M8: 4,562,286 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.6

Radius: 10.8

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.58 AU - 0.8 AU

Year: 389 Days

Day: 9.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,784,139 km

• M1: 134,339 km (0.085 R)
• M2: 524,041 km (0.097 R)
• M3: 975,079 km (0.12 R)
• M4: 1,349,074 km (0.1 R)
• M5: 2,107,984 km (0.11 R)
• M6: 2,689,620 km (0.085 R)
• M7: 3,034,892 km (0.063 R)
• M8: 3,456,010 km (0.1 R)
• M9: 4,121,870 km (0.063 R)
• M10: 4,499,605 km (0.119 R)
• M11: 4,930,147 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.7

Radius: 11

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.86 AU - 1.02 AU

Year: 618 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,784,139 km

• M1: 136,732 km (0.107 R)
• M2: 517,010 km (0.064 R)
• M3: 977,173 km (0.054 R)
• M4: 1,535,622 km (0.067 R)
• M5: 2,385,787 km (0.101 R)
• M6: 2,998,839 km (0.111 R)
• M7: 3,811,155 km (0.117 R)
• M8: 5,100,390 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.3

Radius: 13.8

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.42 AU - 1.68 AU

Year: 1309 Days

Day: 10.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,784,139 km

• M1: 173,833 km (0.097 R)
• M2: 619,784 km (0.081 R)
• M3: 1,069,026 km (0.084 R)
• M4: 1,871,918 km (0.047 R)
• M5: 5,444,016 km (0.115 R)
• M6: 6,820,616 km (0.113 R)
• M7: 9,056,805 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.8

Radius: 10.9

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.05 AU - 3.51 AU

Year: 4029 Days

Day: 12.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,784,139 km

• M1: 136,134 km (0.117 R)
• M2: 599,289 km (0.051 R)
• M3: 967,599 km (0.045 R)
• M4: 1,371,513 km (0.074 R)
• M5: 1,915,601 km (0.077 R)
• M6: 2,616,616 km (0.104 R)
• M7: 3,103,109 km (0.075 R)
• M8: 3,912,284 km (0.119 R)
• M9: 4,379,029 km (0.11 R)
• M10: 4,961,563 km (0.11 R)
• M11: 6,158,496 km (0.101 R)
• M12: 6,661,892 km (0.077 R)
• M13: 7,573,542 km (0.085 R)
• M14: 8,041,334 km (0.063 R)
• M15: 9,397,289 km (0.106 R)
• M16: 9,980,272 km (0.068 R)
• M17: 13,110,757 km (0.113 R)
• M18: 14,870,477 km (0.04 R)
• M19: 15,720,343 km (0.107 R)
• M20: 16,782,637 km (0.103 R)
• M21: 17,766,542 km (0.075 R)
• M22: 18,208,754 km (0.089 R)
• M23: 21,018,950 km (0.091 R)
• M24: 22,016,618 km (0.085 R)
• M25: 22,453,743 km (0.088 R)
• M26: 25,437,772 km (0.116 R)
• M27: 25,999,960 km (0.09 R)
• M28: 27,652,269 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 8.9

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.95 AU - 4.23 AU

Year: 4614 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,784,139 km

• M1: 110,852 km (0.046 R)
• M2: 499,806 km (0.059 R)
• M3: 989,291 km (0.094 R)
• M4: 1,357,601 km (0.047 R)
• M5: 1,661,284 km (0.073 R)
• M6: 1,996,234 km (0.105 R)
• M7: 2,877,665 km (0.068 R)
• M8: 3,243,132 km (0.119 R)
• M9: 3,661,258 km (0.061 R)
• M10: 4,138,475 km (0.108 R)
• M11: 4,760,354 km (0.111 R)
• M12: 5,793,327 km (0.091 R)
• M13: 6,539,073 km (0.115 R)
• M14: 7,036,785 km (0.114 R)
• M15: 8,449,437 km (0.096 R)
• M16: 10,392,265 km (0.064 R)
• M17: 11,874,481 km (0.084 R)
• M18: 15,599,019 km (0.097 R)
• M19: 15,950,574 km (0.113 R)
• M20: 18,043,598 km (0.065 R)
• M21: 18,496,131 km (0.108 R)
• M22: 19,831,143 km (0.111 R)
• M23: 20,803,080 km (0.103 R)
• M24: 23,143,539 km (0.069 R)
• M25: 25,411,442 km (0.054 R)
• M26: 26,144,322 km (0.096 R)
• M27: 27,227,710 km (0.074 R)
• M28: 27,737,839 km (0.116 R)
• M29: 28,340,868 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.5

Radius: 7.8

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.34 AU - 7.98 AU

Year: 14379 Days

Day: 16.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 93.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,784,139 km

• M1: 102,624 km (0.109 R)
• M2: 354,397 km (0.118 R)
• M3: 684,709 km (0.071 R)
• M4: 1,324,689 km (0.08 R)
• M5: 1,713,045 km (0.096 R)
• M6: 2,099,457 km (0.078 R)
• M7: 3,589,900 km (0.086 R)
• M8: 4,865,970 km (0.116 R)
• M9: 5,174,590 km (0.079 R)
• M10: 6,583,653 km (0.066 R)
• M11: 8,670,992 km (0.078 R)
• M12: 10,930,219 km (0.049 R)
• M13: 11,341,613 km (0.075 R)
• M14: 12,008,819 km (0.066 R)
• M15: 13,893,304 km (0.086 R)
• M16: 17,352,455 km (0.065 R)
• M17: 18,237,925 km (0.073 R)
• M18: 18,484,612 km (0.119 R)
• M19: 20,805,473 km (0.088 R)
• M20: 21,437,524 km (0.043 R)
• M21: 29,596,443 km (0.111 R)
• M22: 30,395,744 km (0.105 R)
• M23: 36,790,006 km (0.092 R)
• M24: 44,917,209 km (0.054 R)
• M25: 57,978,899 km (0.092 R)
• M26: 59,951,945 km (0.111 R)
• M27: 60,497,828 km (0.027 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 12,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit