🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.8

Radius: 13.6

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.1 AU - 1.76 AU

Year: 1140 Days

Day: 10.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,911,949 km

• M1: 169,195 km (0.084 R)
• M2: 645,066 km (0.115 R)
• M3: 1,127,370 km (0.054 R)
• M4: 1,573,620 km (0.08 R)
• M5: 2,071,931 km (0.103 R)
• M6: 2,506,363 km (0.096 R)
• M7: 2,939,897 km (0.095 R)
• M8: 3,369,243 km (0.05 R)
• M9: 3,855,586 km (0.115 R)
• M10: 4,882,575 km (0.093 R)
• M11: 5,921,682 km (0.062 R)
• M12: 6,440,488 km (0.057 R)
• M13: 6,967,222 km (0.096 R)
• M14: 7,593,887 km (0.109 R)
• M15: 9,014,319 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.3

Radius: 8.5

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.63 AU - 5.15 AU

Year: 6134 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,911,949 km

• M1: 105,766 km (0.116 R)
• M2: 543,339 km (0.085 R)
• M3: 810,820 km (0.089 R)
• M4: 1,139,936 km (0.116 R)
• M5: 1,521,710 km (0.084 R)
• M6: 2,562,911 km (0.097 R)
• M7: 3,673,825 km (0.053 R)
• M8: 4,067,417 km (0.102 R)
• M9: 4,857,592 km (0.116 R)
• M10: 5,992,442 km (0.087 R)
• M11: 7,918,365 km (0.103 R)
• M12: 9,187,404 km (0.094 R)
• M13: 9,524,747 km (0.115 R)
• M14: 10,179,537 km (0.116 R)
• M15: 12,122,963 km (0.067 R)
• M16: 12,839,686 km (0.119 R)
• M17: 13,857,251 km (0.12 R)
• M18: 14,697,841 km (0.106 R)
• M19: 15,810,700 km (0.116 R)
• M20: 16,666,100 km (0.118 R)
• M21: 18,939,090 km (0.106 R)
• M22: 27,765,963 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.9

Radius: 13.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.82 AU - 5.3 AU

Year: 6493 Days

Day: 8.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,911,949 km

• M1: 171,888 km (0.095 R)
• M2: 960,568 km (0.113 R)
• M3: 2,004,761 km (0.046 R)
• M4: 4,387,706 km (0.088 R)
• M5: 6,054,226 km (0.11 R)
• M6: 6,704,977 km (0.108 R)
• M7: 8,519,000 km (0.088 R)
• M8: 10,685,178 km (0.043 R)
• M9: 11,314,087 km (0.06 R)
• M10: 11,778,289 km (0.11 R)
• M11: 12,449,535 km (0.052 R)
• M12: 13,247,789 km (0.039 R)
• M13: 14,027,044 km (0.119 R)
• M14: 15,563,115 km (0.119 R)
• M15: 16,138,169 km (0.043 R)
• M16: 17,823,838 km (0.115 R)
• M17: 18,903,037 km (0.089 R)
• M18: 20,025,321 km (0.115 R)
• M19: 21,121,723 km (0.086 R)
• M20: 22,767,300 km (0.099 R)
• M21: 28,642,607 km (0.075 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.3

Radius: 5.6

Gravity: 24.66 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.48 AU - 10.8 AU

Year: 16936 Days

Day: 19.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,911,949 km

• M1: 77,492 km (0.075 R)
• M2: 323,431 km (0.084 R)
• M3: 571,015 km (0.114 R)
• M4: 823,985 km (0.11 R)
• M5: 1,111,512 km (0.093 R)
• M6: 1,300,454 km (0.104 R)
• M7: 1,479,523 km (0.113 R)
• M8: 2,020,918 km (0.088 R)
• M9: 2,283,911 km (0.115 R)
• M10: 2,592,382 km (0.06 R)
• M11: 3,716,460 km (0.048 R)
• M12: 4,468,937 km (0.114 R)
• M13: 4,810,619 km (0.065 R)
• M14: 5,623,833 km (0.091 R)
• M15: 5,820,853 km (0.097 R)
• M16: 9,139,233 km (0.078 R)
• M17: 9,973,241 km (0.114 R)
• M18: 11,224,777 km (0.088 R)
• M19: 15,143,194 km (0.07 R)
• M20: 17,783,596 km (0.072 R)
• M21: 18,380,642 km (0.119 R)
• M22: 18,990,851 km (0.113 R)
• M23: 19,345,697 km (0.078 R)
• M24: 27,741,878 km (0.093 R)
• M25: 30,316,308 km (0.044 R)
• M26: 35,397,100 km (0.111 R)
• M27: 36,477,047 km (0.107 R)
• M28: 39,704,172 km (0.076 R)
• M29: 46,398,528 km (0.112 R)
• M30: 48,182,333 km (0.082 R)
• M31: 51,028,133 km (0.033 R)
• M32: 51,541,702 km (0.091 R)
• M33: 56,137,947 km (0.059 R)
• M34: 59,475,326 km (0.096 R)
• M35: 65,327,296 km (0.113 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 - 12,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit