🌌 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: 598.4

Radius: 14.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.52 AU - 0.7 AU

Year: 318 Days

Day: 10.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,445,878 km

• M1: 175,329 km (0.04 R)
• M2: 761,752 km (0.106 R)
• M3: 1,213,837 km (0.068 R)
• M4: 1,711,400 km (0.099 R)
• M5: 2,154,658 km (0.078 R)
• M6: 3,036,687 km (0.09 R)
• M7: 3,539,934 km (0.052 R)
• M8: 4,185,449 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.2

Radius: 9.6

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.57 AU - 0.71 AU

Year: 341 Days

Day: 8.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,445,878 km

• M1: 119,529 km (0.095 R)
• M2: 421,268 km (0.096 R)
• M3: 749,934 km (0.072 R)
• M4: 1,114,504 km (0.08 R)
• M5: 1,471,445 km (0.113 R)
• M6: 2,313,531 km (0.09 R)
• M7: 2,660,449 km (0.095 R)
• M8: 2,967,124 km (0.09 R)
• M9: 3,507,472 km (0.07 R)
• M10: 4,059,338 km (0.061 R)
• M11: 4,524,438 km (0.096 R)
• M12: 5,320,448 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.9

Radius: 11.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.52 AU - 2.22 AU

Year: 1705 Days

Day: 5.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,445,878 km

• M1: 138,079 km (0.057 R)
• M2: 505,042 km (0.096 R)
• M3: 988,692 km (0.09 R)
• M4: 1,510,490 km (0.093 R)
• M5: 2,143,289 km (0.049 R)
• M6: 2,559,919 km (0.036 R)
• M7: 3,264,525 km (0.074 R)
• M8: 3,687,438 km (0.066 R)
• M9: 6,332,777 km (0.118 R)
• M10: 6,818,521 km (0.095 R)
• M11: 8,311,807 km (0.104 R)
• M12: 8,805,630 km (0.051 R)
• M13: 9,165,862 km (0.04 R)
• M14: 11,082,958 km (0.085 R)
• M15: 11,646,045 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.6

Radius: 12

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.81 AU - 1.93 AU

Year: 1705 Days

Day: 12.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,445,878 km

• M1: 149,299 km (0.066 R)
• M2: 565,181 km (0.116 R)
• M3: 1,085,183 km (0.098 R)
• M4: 1,695,093 km (0.094 R)
• M5: 2,359,607 km (0.061 R)
• M6: 3,145,594 km (0.11 R)
• M7: 4,209,684 km (0.081 R)
• M8: 4,980,263 km (0.106 R)
• M9: 5,567,135 km (0.037 R)
• M10: 6,521,270 km (0.071 R)
• M11: 7,497,995 km (0.111 R)
• M12: 7,978,354 km (0.04 R)
• M13: 10,313,576 km (0.039 R)
• M14: 11,712,466 km (0.058 R)
• M15: 13,112,553 km (0.066 R)
• M16: 14,276,574 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.7

Radius: 14.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.48 AU - 3.8 AU

Year: 3710 Days

Day: 11.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 92 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,445,878 km

• M1: 191,186 km (0.112 R)
• M2: 769,681 km (0.093 R)
• M3: 1,250,040 km (0.085 R)
• M4: 1,940,434 km (0.087 R)
• M5: 3,992,767 km (0.09 R)
• M6: 5,730,496 km (0.101 R)
• M7: 6,330,832 km (0.097 R)
• M8: 7,633,979 km (0.098 R)
• M9: 9,813,620 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.1

Radius: 14.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.24 AU - 4.06 AU

Year: 4650 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,445,878 km

• M1: 187,297 km (0.118 R)
• M2: 672,891 km (0.034 R)
• M3: 2,060,561 km (0.118 R)
• M4: 2,799,575 km (0.056 R)
• M5: 3,581,672 km (0.099 R)
• M6: 4,189,189 km (0.116 R)
• M7: 4,812,564 km (0.101 R)
• M8: 6,500,925 km (0.087 R)
• M9: 8,440,910 km (0.12 R)
• M10: 9,316,357 km (0.115 R)
• M11: 9,861,641 km (0.096 R)
• M12: 11,295,387 km (0.083 R)
• M13: 12,210,328 km (0.118 R)
• M14: 14,629,924 km (0.047 R)
• M15: 15,138,407 km (0.059 R)
• M16: 16,071,598 km (0.119 R)
• M17: 16,674,179 km (0.118 R)
• M18: 17,291,719 km (0.083 R)
• M19: 20,681,906 km (0.055 R)
• M20: 22,051,325 km (0.116 R)
• M21: 24,651,336 km (0.082 R)
• M22: 25,615,943 km (0.117 R)
• M23: 26,355,854 km (0.1 R)
• M24: 28,486,127 km (0.094 R)
• M25: 29,014,058 km (0.109 R)
• M26: 29,638,181 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.7

Radius: 4.5

Gravity: 21.12 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.16 AU - 8.3 AU

Year: 15745 Days

Day: 15.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 123.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,445,878 km

• M1: 55,950 km (0.086 R)
• M2: 246,687 km (0.054 R)
• M3: 678,576 km (0.053 R)
• M4: 1,905,278 km (0.08 R)
• M5: 2,119,802 km (0.091 R)
• M6: 3,119,415 km (0.12 R)
• M7: 3,817,887 km (0.071 R)
• M8: 5,518,067 km (0.059 R)
• M9: 6,219,980 km (0.117 R)
• M10: 7,577,731 km (0.113 R)
• M11: 9,679,431 km (0.065 R)
• M12: 10,046,245 km (0.04 R)
• M13: 14,781,317 km (0.063 R)
• M14: 18,173,000 km (0.082 R)
• M15: 19,300,070 km (0.064 R)
• M16: 20,730,076 km (0.116 R)
• M17: 28,628,844 km (0.06 R)
• M18: 43,610,771 km (0.104 R)
• M19: 44,465,723 km (0.07 R)
• M20: 52,829,441 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 11,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit