🌌 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: 329.6

Radius: 11.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.51 AU - 0.57 AU

Year: 274 Days

Day: 11.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,529,537 km

• M1: 147,952 km (0.12 R)
• M2: 596,596 km (0.113 R)
• M3: 1,052,870 km (0.072 R)
• M4: 1,428,660 km (0.073 R)
• M5: 1,902,436 km (0.075 R)
• M6: 2,342,852 km (0.066 R)
• M7: 3,249,266 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.8

Radius: 10.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.53 AU - 0.59 AU

Year: 289 Days

Day: 10.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 15,529,537 km

• M1: 138,528 km (0.077 R)
• M2: 523,892 km (0.115 R)
• M3: 1,001,109 km (0.099 R)
• M4: 1,414,597 km (0.1 R)
• M5: 1,800,560 km (0.094 R)
• M6: 3,347,103 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.2

Radius: 13

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.35 AU - 1.37 AU

Year: 1095 Days

Day: 11.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,529,537 km

• M1: 161,715 km (0.059 R)
• M2: 697,874 km (0.051 R)
• M3: 1,135,149 km (0.059 R)
• M4: 1,566,290 km (0.113 R)
• M5: 2,823,510 km (0.112 R)
• M6: 4,146,105 km (0.075 R)
• M7: 5,309,228 km (0.041 R)
• M8: 5,748,597 km (0.057 R)
• M9: 6,379,302 km (0.039 R)
• M10: 7,683,646 km (0.087 R)
• M11: 8,578,391 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.9

Radius: 13.8

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.85 AU - 1.93 AU

Year: 1794 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 15,529,537 km

• M1: 171,589 km (0.087 R)
• M2: 615,146 km (0.096 R)
• M3: 1,057,657 km (0.091 R)
• M4: 1,629,420 km (0.043 R)
• M5: 2,060,561 km (0.064 R)
• M6: 3,245,825 km (0.104 R)
• M7: 3,908,992 km (0.071 R)
• M8: 4,826,626 km (0.106 R)
• M9: 5,267,640 km (0.102 R)
• M10: 6,524,113 km (0.099 R)
• M11: 7,186,383 km (0.112 R)
• M12: 7,971,771 km (0.097 R)
• M13: 8,618,483 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290

Radius: 9.4

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.25 AU - 2.69 AU

Year: 2680 Days

Day: 5.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 74.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 15,529,537 km

• M1: 117,883 km (0.104 R)
• M2: 460,462 km (0.115 R)
• M3: 764,296 km (0.116 R)
• M4: 1,154,896 km (0.073 R)
• M5: 1,618,799 km (0.119 R)
• M6: 2,640,552 km (0.116 R)
• M7: 3,306,861 km (0.031 R)
• M8: 3,899,268 km (0.078 R)
• M9: 4,600,883 km (0.045 R)
• M10: 5,317,606 km (0.1 R)
• M11: 5,796,469 km (0.091 R)
• M12: 7,052,492 km (0.102 R)
• M13: 8,819,991 km (0.119 R)
• M14: 10,162,632 km (0.083 R)
• M15: 11,264,720 km (0.089 R)
• M16: 11,863,859 km (0.031 R)
• M17: 12,444,598 km (0.11 R)
• M18: 13,044,336 km (0.057 R)
• M19: 13,371,806 km (0.085 R)
• M20: 14,214,939 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.1

Radius: 13.3

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.27 AU - 4.03 AU

Year: 4813 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 15,529,537 km

• M1: 165,754 km (0.107 R)
• M2: 639,232 km (0.081 R)
• M3: 1,081,892 km (0.037 R)
• M4: 1,738,626 km (0.075 R)
• M5: 2,206,419 km (0.119 R)
• M6: 3,217,850 km (0.096 R)
• M7: 3,956,265 km (0.11 R)
• M8: 4,994,325 km (0.077 R)
• M9: 5,622,187 km (0.105 R)
• M10: 6,763,170 km (0.093 R)
• M11: 10,020,365 km (0.037 R)
• M12: 10,650,172 km (0.045 R)
• M13: 11,402,200 km (0.038 R)
• M14: 11,840,522 km (0.085 R)
• M15: 13,437,479 km (0.094 R)
• M16: 14,712,203 km (0.091 R)
• M17: 16,187,387 km (0.082 R)
• M18: 18,085,335 km (0.067 R)
• M19: 19,568,598 km (0.101 R)
• M20: 21,204,451 km (0.082 R)
• M21: 22,093,362 km (0.115 R)
• M22: 24,747,078 km (0.085 R)
• M23: 25,566,276 km (0.111 R)
• M24: 28,935,519 km (0.099 R)
• M25: 29,753,221 km (0.061 R)
• M26: 30,492,833 km (0.086 R)
• M27: 31,625,289 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.8

Radius: 12.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.84 AU - 4.7 AU

Year: 6091 Days

Day: 7.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,529,537 km

• M1: 200,461 km (0.092 R)
• M2: 864,376 km (0.087 R)
• M3: 1,306,139 km (0.12 R)
• M4: 1,785,750 km (0.117 R)
• M5: 2,320,413 km (0.036 R)
• M6: 6,163,133 km (0.1 R)
• M7: 7,594,336 km (0.093 R)
• M8: 10,038,316 km (0.064 R)
• M9: 11,252,453 km (0.103 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 14,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit