🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.3

Radius: 10.3

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.7 AU - 0.98 AU

Year: 531 Days

Day: 8.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,700,519 km

• M1: 128,205 km (0.07 R)
• M2: 521,199 km (0.078 R)
• M3: 997,219 km (0.099 R)
• M4: 1,424,471 km (0.051 R)
• M5: 1,833,621 km (0.11 R)
• M6: 2,173,208 km (0.115 R)
• M7: 2,688,872 km (0.032 R)
• M8: 3,418,760 km (0.109 R)
• M9: 3,884,608 km (0.097 R)
• M10: 4,662,517 km (0.096 R)
• M11: 5,072,565 km (0.117 R)
• M12: 6,056,470 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.4

Radius: 12.9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.73 AU - 1.17 AU

Year: 639 Days

Day: 5.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,700,519 km

• M1: 160,369 km (0.105 R)
• M2: 643,869 km (0.097 R)
• M3: 1,340,696 km (0.106 R)
• M4: 2,864,500 km (0.103 R)
• M5: 3,546,218 km (0.084 R)
• M6: 5,268,089 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.2

Radius: 9.9

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1 AU - 1.46 AU

Year: 942 Days

Day: 5.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,700,519 km

• M1: 123,119 km (0.12 R)
• M2: 460,612 km (0.065 R)
• M3: 885,619 km (0.108 R)
• M4: 1,736,981 km (0.077 R)
• M5: 2,195,648 km (0.092 R)
• M6: 2,901,451 km (0.086 R)
• M7: 3,505,976 km (0.062 R)
• M8: 3,910,788 km (0.074 R)
• M9: 4,277,751 km (0.105 R)
• M10: 4,594,899 km (0.091 R)
• M11: 5,178,330 km (0.091 R)
• M12: 5,810,381 km (0.108 R)
• M13: 8,529,771 km (0.059 R)
• M14: 9,440,822 km (0.06 R)
• M15: 10,165,774 km (0.088 R)
• M16: 10,605,591 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.1

Radius: 6.3

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.57 AU - 9.25 AU

Year: 15356 Days

Day: 19.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,700,519 km

• M1: 78,389 km (0.065 R)
• M2: 303,235 km (0.11 R)
• M3: 669,899 km (0.051 R)
• M4: 1,194,090 km (0.119 R)
• M5: 2,210,907 km (0.104 R)
• M6: 3,327,805 km (0.09 R)
• M7: 3,710,177 km (0.117 R)
• M8: 5,034,866 km (0.069 R)
• M9: 6,647,980 km (0.116 R)
• M10: 6,846,197 km (0.075 R)
• M11: 10,106,383 km (0.068 R)
• M12: 10,689,815 km (0.086 R)
• M13: 13,628,067 km (0.093 R)
• M14: 14,013,431 km (0.103 R)
• M15: 16,990,279 km (0.059 R)
• M16: 19,786,413 km (0.04 R)
• M17: 23,419,098 km (0.115 R)
• M18: 34,157,532 km (0.105 R)
• M19: 35,227,307 km (0.096 R)
• M20: 35,588,885 km (0.117 R)
• M21: 42,936,982 km (0.062 R)
• M22: 43,349,424 km (0.095 R)
• M23: 44,743,676 km (0.096 R)
• M24: 46,311,611 km (0.063 R)
• M25: 47,621,341 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.6

Radius: 7.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.81 AU - 10.63 AU

Year: 17774 Days

Day: 20.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,700,519 km

• M1: 95,743 km (0.101 R)
• M2: 468,241 km (0.096 R)
• M3: 712,535 km (0.095 R)
• M4: 1,200,224 km (0.046 R)
• M5: 1,791,285 km (0.113 R)
• M6: 2,161,091 km (0.069 R)
• M7: 2,453,255 km (0.111 R)
• M8: 2,910,875 km (0.101 R)
• M9: 3,492,512 km (0.087 R)
• M10: 3,823,273 km (0.111 R)
• M11: 4,714,427 km (0.102 R)
• M12: 5,269,286 km (0.102 R)
• M13: 5,998,276 km (0.062 R)
• M14: 6,937,751 km (0.047 R)
• M15: 8,338,585 km (0.099 R)
• M16: 9,779,961 km (0.058 R)
• M17: 10,535,430 km (0.025 R)
• M18: 11,177,504 km (0.057 R)
• M19: 11,740,890 km (0.103 R)
• M20: 14,008,644 km (0.07 R)
• M21: 14,784,608 km (0.05 R)
• M22: 17,083,329 km (0.106 R)
• M23: 26,633,059 km (0.025 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.7

Radius: 6.7

Gravity: 15.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.4 AU - 10.86 AU

Year: 19042 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,700,519 km

• M1: 83,326 km (0.072 R)
• M2: 379,231 km (0.056 R)
• M3: 867,219 km (0.09 R)
• M4: 1,139,637 km (0.111 R)
• M5: 1,453,343 km (0.083 R)
• M6: 1,682,078 km (0.052 R)
• M7: 2,450,712 km (0.12 R)
• M8: 2,728,964 km (0.12 R)
• M9: 3,266,769 km (0.111 R)
• M10: 3,517,944 km (0.062 R)
• M11: 3,782,133 km (0.088 R)
• M12: 4,585,923 km (0.117 R)
• M13: 5,383,130 km (0.11 R)
• M14: 7,063,563 km (0.08 R)
• M15: 7,824,417 km (0.108 R)
• M16: 8,744,295 km (0.104 R)
• M17: 10,981,381 km (0.074 R)
• M18: 12,331,352 km (0.028 R)
• M19: 14,446,966 km (0.092 R)
• M20: 17,207,345 km (0.115 R)
• M21: 17,628,314 km (0.104 R)
• M22: 20,581,675 km (0.039 R)
• M23: 21,830,518 km (0.062 R)
• M24: 26,767,098 km (0.062 R)
• M25: 27,105,339 km (0.113 R)
• M26: 31,514,736 km (0.095 R)
• M27: 38,058,745 km (0.027 R)
• M28: 38,343,580 km (0.12 R)
• M29: 39,061,799 km (0.1 R)
• M30: 39,496,979 km (0.115 R)
• M31: 40,377,213 km (0.063 R)
• M32: 41,270,462 km (0.069 R)
• M33: 51,981,221 km (0.108 R)
• M34: 54,108,802 km (0.118 R)
• M35: 72,820,653 km (0.108 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 11,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit