🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.7

Radius: 12.9

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.6 AU - 0.64 AU

Year: 326 Days

Day: 7.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,887,310 km

• M1: 160,369 km (0.073 R)
• M2: 562,039 km (0.067 R)
• M3: 1,056,460 km (0.108 R)
• M4: 1,548,338 km (0.112 R)
• M5: 2,054,428 km (0.037 R)
• M6: 2,651,622 km (0.035 R)
• M7: 3,173,569 km (0.106 R)
• M8: 3,666,644 km (0.061 R)
• M9: 4,454,127 km (0.096 R)
• M10: 5,044,739 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.7

Radius: 10

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.69 AU - 0.95 AU

Year: 495 Days

Day: 10.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,887,310 km

• M1: 125,064 km (0.063 R)
• M2: 512,822 km (0.068 R)
• M3: 1,201,271 km (0.034 R)
• M4: 1,564,345 km (0.081 R)
• M5: 2,612,577 km (0.095 R)
• M6: 3,511,361 km (0.098 R)
• M7: 3,862,467 km (0.097 R)
• M8: 4,341,779 km (0.11 R)
• M9: 4,763,346 km (0.108 R)
• M10: 5,143,773 km (0.091 R)
• M11: 5,909,714 km (0.104 R)
• M12: 6,448,117 km (0.118 R)
• M13: 6,852,480 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.3

Radius: 13.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.13 AU - 1.19 AU

Year: 833 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,887,310 km

• M1: 167,101 km (0.114 R)
• M2: 595,250 km (0.054 R)
• M3: 1,066,932 km (0.085 R)
• M4: 1,652,009 km (0.086 R)
• M5: 2,090,780 km (0.113 R)
• M6: 2,564,855 km (0.112 R)
• M7: 3,249,864 km (0.084 R)
• M8: 4,084,171 km (0.031 R)
• M9: 4,536,256 km (0.117 R)
• M10: 5,486,951 km (0.1 R)
• M11: 6,000,221 km (0.112 R)
• M12: 6,884,195 km (0.058 R)
• M13: 7,759,342 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557

Radius: 13.5

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.06 AU - 1.54 AU

Year: 988 Days

Day: 10.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,887,310 km

• M1: 167,998 km (0.094 R)
• M2: 738,265 km (0.05 R)
• M3: 1,349,522 km (0.107 R)
• M4: 1,935,647 km (0.09 R)
• M5: 3,161,751 km (0.119 R)
• M6: 5,367,721 km (0.099 R)
• M7: 5,797,067 km (0.115 R)
• M8: 6,228,358 km (0.063 R)
• M9: 6,836,772 km (0.063 R)
• M10: 7,897,870 km (0.081 R)
• M11: 9,120,384 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.1

Radius: 8.9

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.02 AU - 3.62 AU

Year: 4034 Days

Day: 5.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,887,310 km

• M1: 110,852 km (0.091 R)
• M2: 400,324 km (0.092 R)
• M3: 831,315 km (0.104 R)
• M4: 1,143,825 km (0.095 R)
• M5: 1,607,280 km (0.118 R)
• M6: 1,959,433 km (0.08 R)
• M7: 2,644,890 km (0.049 R)
• M8: 3,237,448 km (0.085 R)
• M9: 4,435,278 km (0.111 R)
• M10: 5,161,875 km (0.065 R)
• M11: 5,640,438 km (0.073 R)
• M12: 7,569,503 km (0.12 R)
• M13: 8,225,041 km (0.079 R)
• M14: 11,231,359 km (0.081 R)
• M15: 12,230,075 km (0.079 R)
• M16: 14,078,506 km (0.065 R)
• M17: 14,568,289 km (0.042 R)
• M18: 15,013,044 km (0.088 R)
• M19: 16,762,292 km (0.099 R)
• M20: 18,064,990 km (0.083 R)
• M21: 19,101,703 km (0.082 R)
• M22: 21,364,670 km (0.09 R)
• M23: 22,894,458 km (0.12 R)
• M24: 23,724,278 km (0.032 R)
• M25: 24,495,903 km (0.051 R)
• M26: 26,007,889 km (0.097 R)
• M27: 29,041,734 km (0.119 R)

Asteroid Belt

Center: 5.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.4

Radius: 6.3

Gravity: 17.29 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.97 AU - 7.57 AU

Year: 13072 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,887,310 km

• M1: 78,389 km (0.096 R)
• M2: 509,530 km (0.104 R)
• M3: 962,363 km (0.114 R)
• M4: 1,767,948 km (0.109 R)
• M5: 3,026,215 km (0.03 R)
• M6: 3,245,526 km (0.072 R)
• M7: 3,798,589 km (0.079 R)
• M8: 4,923,266 km (0.118 R)
• M9: 5,508,194 km (0.073 R)
• M10: 5,836,112 km (0.111 R)
• M11: 6,981,882 km (0.082 R)
• M12: 8,798,300 km (0.053 R)
• M13: 10,683,382 km (0.109 R)
• M14: 12,019,740 km (0.105 R)
• M15: 12,885,613 km (0.096 R)
• M16: 14,879,902 km (0.045 R)
• M17: 21,991,186 km (0.096 R)
• M18: 22,816,368 km (0.058 R)
• M19: 25,816,404 km (0.086 R)
• M20: 28,419,556 km (0.069 R)
• M21: 28,743,286 km (0.062 R)
• M22: 32,467,974 km (0.107 R)
• M23: 33,297,494 km (0.061 R)
• M24: 43,373,958 km (0.097 R)
• M25: 54,140,816 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.8

Radius: 7

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.4 AU - 12.34 AU

Year: 20678 Days

Day: 24.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,887,310 km

• M1: 87,066 km (0.1 R)
• M2: 325,525 km (0.071 R)
• M3: 861,085 km (0.093 R)
• M4: 1,104,032 km (0.087 R)
• M5: 1,364,781 km (0.034 R)
• M6: 1,921,884 km (0.115 R)
• M7: 6,041,660 km (0.088 R)
• M8: 6,565,701 km (0.038 R)
• M9: 7,075,830 km (0.08 R)
• M10: 9,226,449 km (0.069 R)
• M11: 17,734,678 km (0.031 R)
• M12: 19,315,329 km (0.078 R)
• M13: 23,527,108 km (0.075 R)
• M14: 26,264,300 km (0.057 R)
• M15: 26,687,063 km (0.092 R)
• M16: 27,114,315 km (0.055 R)
• M17: 33,338,185 km (0.1 R)
• M18: 34,334,507 km (0.113 R)
• M19: 36,386,241 km (0.072 R)
• M20: 43,029,733 km (0.118 R)
• M21: 43,469,850 km (0.075 R)
• M22: 44,210,210 km (0.084 R)
• M23: 53,421,998 km (0.11 R)
• M24: 62,511,265 km (0.112 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 10,401 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit