🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.4

Radius: 12.8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.51 AU - 0.65 AU

Year: 295 Days

Day: 7.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,387,974 km

• M1: 159,172 km (0.06 R)
• M2: 565,480 km (0.047 R)
• M3: 1,066,483 km (0.056 R)
• M4: 1,487,152 km (0.096 R)
• M5: 3,296,987 km (0.062 R)
• M6: 3,946,541 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.3

Radius: 11.1

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.75 AU - 0.87 AU

Year: 486 Days

Day: 13.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,387,974 km

• M1: 138,079 km (0.114 R)
• M2: 522,097 km (0.089 R)
• M3: 880,383 km (0.072 R)
• M4: 1,310,777 km (0.107 R)
• M5: 1,695,991 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.5

Radius: 14.7

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.24 AU - 5.7 AU

Year: 7389 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,387,974 km

• M1: 340,485 km (0.097 R)
• M2: 895,343 km (0.085 R)
• M3: 2,275,533 km (0.086 R)
• M4: 3,301,475 km (0.12 R)
• M5: 3,961,052 km (0.095 R)
• M6: 8,265,133 km (0.034 R)
• M7: 8,775,112 km (0.115 R)
• M8: 10,908,228 km (0.067 R)
• M9: 12,031,110 km (0.114 R)
• M10: 16,869,853 km (0.103 R)
• M11: 17,360,683 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.6

Radius: 8.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.92 AU - 6.08 AU

Year: 7456 Days

Day: 14.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,387,974 km

• M1: 105,466 km (0.109 R)
• M2: 528,529 km (0.098 R)
• M3: 1,212,940 km (0.109 R)
• M4: 1,696,589 km (0.116 R)
• M5: 2,541,518 km (0.072 R)
• M6: 2,974,754 km (0.079 R)
• M7: 3,436,263 km (0.05 R)
• M8: 5,575,812 km (0.105 R)
• M9: 11,101,060 km (0.085 R)
• M10: 16,212,071 km (0.07 R)
• M11: 17,213,629 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.4

Radius: 7.7

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.36 AU - 6.98 AU

Year: 10220 Days

Day: 20.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,387,974 km

• M1: 96,939 km (0.065 R)
• M2: 806,931 km (0.092 R)
• M3: 1,093,261 km (0.099 R)
• M4: 1,502,112 km (0.057 R)
• M5: 2,370,079 km (0.085 R)
• M6: 2,626,939 km (0.045 R)
• M7: 2,902,348 km (0.041 R)
• M8: 3,412,926 km (0.073 R)
• M9: 3,820,730 km (0.034 R)
• M10: 4,064,275 km (0.102 R)
• M11: 4,889,008 km (0.107 R)
• M12: 5,891,613 km (0.086 R)
• M13: 6,254,537 km (0.055 R)
• M14: 6,709,614 km (0.047 R)
• M15: 6,985,173 km (0.08 R)
• M16: 11,126,641 km (0.114 R)
• M17: 11,401,901 km (0.088 R)
• M18: 11,738,347 km (0.118 R)
• M19: 12,372,193 km (0.066 R)
• M20: 12,847,316 km (0.048 R)
• M21: 14,216,884 km (0.115 R)
• M22: 14,937,048 km (0.061 R)
• M23: 16,951,832 km (0.119 R)
• M24: 21,683,164 km (0.11 R)
• M25: 26,049,328 km (0.096 R)
• M26: 32,848,401 km (0.045 R)
• M27: 34,105,023 km (0.11 R)
• M28: 35,393,510 km (0.053 R)
• M29: 36,714,010 km (0.099 R)
• M30: 39,325,690 km (0.112 R)
• M31: 42,997,121 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.2

Radius: 7.9

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.79 AU - 6.63 AU

Year: 10320 Days

Day: 18.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,387,974 km

• M1: 98,286 km (0.064 R)
• M2: 363,224 km (0.113 R)
• M3: 641,027 km (0.057 R)
• M4: 922,420 km (0.04 R)
• M5: 1,226,104 km (0.07 R)
• M6: 1,938,639 km (0.095 R)
• M7: 3,488,772 km (0.114 R)
• M8: 3,986,035 km (0.059 R)
• M9: 4,529,824 km (0.101 R)
• M10: 5,122,081 km (0.114 R)
• M11: 5,556,215 km (0.09 R)
• M12: 6,384,388 km (0.119 R)
• M13: 8,465,145 km (0.101 R)
• M14: 8,788,725 km (0.115 R)
• M15: 10,532,139 km (0.088 R)
• M16: 12,974,773 km (0.083 R)
• M17: 14,036,918 km (0.119 R)
• M18: 15,427,580 km (0.101 R)
• M19: 16,191,576 km (0.06 R)
• M20: 17,421,719 km (0.088 R)
• M21: 17,794,966 km (0.026 R)
• M22: 18,097,453 km (0.115 R)
• M23: 18,635,108 km (0.052 R)
• M24: 24,518,343 km (0.114 R)
• M25: 32,646,444 km (0.065 R)
• M26: 34,136,140 km (0.049 R)
• M27: 36,031,096 km (0.091 R)
• M28: 37,497,604 km (0.04 R)
• M29: 41,205,088 km (0.089 R)
• M30: 42,001,547 km (0.026 R)
• M31: 45,996,259 km (0.069 R)
• M32: 50,086,863 km (0.045 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 19,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit