🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.2

Radius: 12.2

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.43 AU - 0.59 AU

Year: 247 Days

Day: 8.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,806,243 km

• M1: 155,432 km (0.043 R)
• M2: 761,902 km (0.042 R)
• M3: 1,153,250 km (0.109 R)
• M4: 1,731,895 km (0.048 R)
• M5: 2,337,018 km (0.089 R)
• M6: 2,953,062 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.3

Radius: 9.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.57 AU - 0.81 AU

Year: 389 Days

Day: 14.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,806,243 km

• M1: 118,182 km (0.085 R)
• M2: 478,863 km (0.068 R)
• M3: 821,592 km (0.099 R)
• M4: 1,196,035 km (0.114 R)
• M5: 1,515,875 km (0.117 R)
• M6: 1,928,915 km (0.091 R)
• M7: 2,269,101 km (0.082 R)
• M8: 2,613,924 km (0.065 R)
• M9: 3,253,454 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.8

Radius: 8.4

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.63 AU - 0.95 AU

Year: 476 Days

Day: 7.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,806,243 km

• M1: 104,569 km (0.114 R)
• M2: 369,656 km (0.07 R)
• M3: 655,388 km (0.097 R)
• M4: 1,170,903 km (0.078 R)
• M5: 1,509,293 km (0.043 R)
• M6: 1,812,977 km (0.081 R)
• M7: 2,305,453 km (0.062 R)
• M8: 2,574,131 km (0.092 R)
• M9: 2,863,902 km (0.103 R)
• M10: 3,142,154 km (0.093 R)
• M11: 3,866,955 km (0.106 R)
• M12: 4,698,869 km (0.091 R)
• M13: 5,133,900 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.4

Radius: 11.3

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.96 AU - 0.96 AU

Year: 638 Days

Day: 9.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,806,243 km

• M1: 142,118 km (0.094 R)
• M2: 666,459 km (0.041 R)
• M3: 1,030,879 km (0.109 R)
• M4: 1,401,433 km (0.111 R)
• M5: 1,781,411 km (0.095 R)
• M6: 3,064,812 km (0.065 R)
• M7: 3,501,189 km (0.053 R)
• M8: 3,864,861 km (0.034 R)
• M9: 4,683,311 km (0.072 R)
• M10: 5,080,792 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.8

Radius: 14.7

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.2 AU - 1.38 AU

Year: 994 Days

Day: 7 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,806,243 km

• M1: 182,809 km (0.079 R)
• M2: 673,041 km (0.034 R)
• M3: 1,132,306 km (0.111 R)
• M4: 1,658,143 km (0.099 R)
• M5: 2,211,206 km (0.082 R)
• M6: 3,133,776 km (0.088 R)
• M7: 3,913,779 km (0.026 R)
• M8: 4,820,492 km (0.083 R)
• M9: 5,382,531 km (0.09 R)
• M10: 6,774,689 km (0.051 R)
• M11: 7,679,008 km (0.099 R)
• M12: 8,934,583 km (0.115 R)
• M13: 9,554,218 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433

Radius: 8.1

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.12 AU - 1.84 AU

Year: 1221 Days

Day: 5.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,806,243 km

• M1: 100,679 km (0.044 R)
• M2: 379,679 km (0.117 R)
• M3: 690,843 km (0.12 R)
• M4: 960,568 km (0.07 R)
• M5: 1,323,941 km (0.077 R)
• M6: 2,046,648 km (0.079 R)
• M7: 2,655,512 km (0.043 R)
• M8: 3,238,943 km (0.065 R)
• M9: 3,765,079 km (0.119 R)
• M10: 4,313,056 km (0.11 R)
• M11: 5,547,687 km (0.072 R)
• M12: 6,300,763 km (0.034 R)
• M13: 6,656,656 km (0.037 R)
• M14: 8,295,052 km (0.102 R)
• M15: 8,614,593 km (0.082 R)
• M16: 9,916,544 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.5

Radius: 13.2

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.86 AU - 2.32 AU

Year: 2049 Days

Day: 8 Hours

Environment

Temp: -195 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,806,243 km

• M1: 165,156 km (0.081 R)
• M2: 623,823 km (0.106 R)
• M3: 1,467,256 km (0.116 R)
• M4: 2,167,374 km (0.094 R)
• M5: 2,615,420 km (0.058 R)
• M6: 3,215,307 km (0.038 R)
• M7: 4,917,432 km (0.044 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.2

Radius: 14

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.15 AU - 2.31 AU

Year: 2259 Days

Day: 11.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,806,243 km

• M1: 193,729 km (0.117 R)
• M2: 967,898 km (0.053 R)
• M3: 1,563,148 km (0.072 R)
• M4: 2,521,771 km (0.105 R)
• M5: 4,152,837 km (0.088 R)
• M6: 5,651,209 km (0.065 R)
• M7: 6,452,156 km (0.097 R)
• M8: 8,309,264 km (0.067 R)
• M9: 9,223,158 km (0.106 R)
• M10: 9,815,864 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.7

Radius: 13.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.94 AU - 6.56 AU

Year: 8159 Days

Day: 8 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,806,243 km

• M1: 165,455 km (0.083 R)
• M2: 692,489 km (0.066 R)
• M3: 1,109,867 km (0.114 R)
• M4: 1,880,445 km (0.094 R)
• M5: 3,044,915 km (0.056 R)
• M6: 3,482,339 km (0.059 R)
• M7: 5,522,256 km (0.096 R)
• M8: 10,923,936 km (0.041 R)
• M9: 11,409,231 km (0.075 R)
• M10: 12,215,713 km (0.074 R)
• M11: 15,041,767 km (0.091 R)
• M12: 18,009,040 km (0.063 R)
• M13: 19,736,896 km (0.034 R)
• M14: 24,331,196 km (0.052 R)
• M15: 25,328,715 km (0.062 R)
• M16: 27,139,747 km (0.042 R)
• M17: 29,780,747 km (0.07 R)
• M18: 30,347,873 km (0.073 R)
• M19: 31,797,177 km (0.042 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179

Radius: 7.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.58 AU - 11.18 AU

Year: 19485 Days

Day: 16.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,806,243 km

• M1: 102,923 km (0.09 R)
• M2: 377,435 km (0.078 R)
• M3: 1,270,236 km (0.089 R)
• M4: 1,747,602 km (0.079 R)
• M5: 2,175,452 km (0.08 R)
• M6: 4,413,287 km (0.085 R)
• M7: 6,094,318 km (0.114 R)
• M8: 18,884,936 km (0.038 R)
• M9: 37,489,825 km (0.108 R)
• M10: 42,571,216 km (0.051 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 15,265 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit