🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.9

Radius: 9.6

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.46 AU - 0.66 AU

Year: 289 Days

Day: 5.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,292,534 km

• M1: 119,379 km (0.053 R)
• M2: 457,470 km (0.054 R)
• M3: 849,866 km (0.104 R)
• M4: 1,217,278 km (0.107 R)
• M5: 2,044,255 km (0.089 R)
• M6: 2,429,170 km (0.107 R)
• M7: 2,756,490 km (0.086 R)
• M8: 3,103,109 km (0.096 R)
• M9: 3,637,472 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.9

Radius: 11.4

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.67 AU - 1.03 AU

Year: 541 Days

Day: 6.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,292,534 km

• M1: 142,268 km (0.105 R)
• M2: 501,901 km (0.118 R)
• M3: 932,144 km (0.099 R)
• M4: 1,368,521 km (0.069 R)
• M5: 2,208,513 km (0.117 R)
• M6: 2,642,646 km (0.097 R)
• M7: 3,859,775 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22

Radius: 8.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.13 AU - 1.47 AU

Year: 1023 Days

Day: 6.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,292,534 km

• M1: 108,309 km (0.071 R)
• M2: 490,083 km (0.085 R)
• M3: 827,426 km (0.095 R)
• M4: 1,637,199 km (0.116 R)
• M5: 2,144,186 km (0.094 R)
• M6: 2,777,584 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.6

Radius: 13.1

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.24 AU - 1.84 AU

Year: 1319 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,292,534 km

• M1: 162,912 km (0.09 R)
• M2: 675,434 km (0.092 R)
• M3: 1,292,675 km (0.074 R)
• M4: 1,713,793 km (0.078 R)
• M5: 2,661,795 km (0.093 R)
• M6: 3,137,666 km (0.111 R)
• M7: 3,833,445 km (0.113 R)
• M8: 4,919,376 km (0.058 R)
• M9: 5,729,000 km (0.083 R)
• M10: 8,129,597 km (0.056 R)
• M11: 9,537,612 km (0.108 R)
• M12: 10,463,773 km (0.099 R)
• M13: 11,695,861 km (0.114 R)
• M14: 12,458,062 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.5

Radius: 13

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.32 AU - 3.32 AU

Year: 3269 Days

Day: 5.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,292,534 km

• M1: 162,014 km (0.12 R)
• M2: 711,188 km (0.099 R)
• M3: 1,335,759 km (0.041 R)
• M4: 3,479,198 km (0.09 R)
• M5: 3,972,871 km (0.119 R)
• M6: 5,348,573 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.1

Radius: 7

Gravity: 13.41 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.56 AU - 7.24 AU

Year: 11176 Days

Day: 18.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,292,534 km

• M1: 88,861 km (0.104 R)
• M2: 364,121 km (0.074 R)
• M3: 592,108 km (0.119 R)
• M4: 1,121,086 km (0.085 R)
• M5: 1,571,974 km (0.043 R)
• M6: 1,946,867 km (0.107 R)
• M7: 2,229,008 km (0.056 R)
• M8: 2,640,552 km (0.081 R)
• M9: 3,772,260 km (0.118 R)
• M10: 4,328,315 km (0.057 R)
• M11: 4,687,500 km (0.086 R)
• M12: 7,913,279 km (0.108 R)
• M13: 10,472,001 km (0.106 R)
• M14: 11,509,761 km (0.03 R)
• M15: 11,908,888 km (0.074 R)
• M16: 13,038,651 km (0.072 R)
• M17: 17,074,802 km (0.112 R)
• M18: 18,277,120 km (0.071 R)
• M19: 20,849,006 km (0.107 R)
• M20: 21,527,882 km (0.068 R)
• M21: 22,662,282 km (0.103 R)
• M22: 36,157,656 km (0.064 R)
• M23: 43,249,642 km (0.089 R)
• M24: 44,075,273 km (0.116 R)
• M25: 50,757,510 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.5

Radius: 7.4

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.57 AU - 8.81 AU

Year: 13308 Days

Day: 24.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,292,534 km

• M1: 95,743 km (0.066 R)
• M2: 400,623 km (0.071 R)
• M3: 696,827 km (0.12 R)
• M4: 1,128,118 km (0.104 R)
• M5: 1,727,407 km (0.086 R)
• M6: 2,013,438 km (0.067 R)
• M7: 2,312,633 km (0.101 R)
• M8: 2,581,162 km (0.108 R)
• M9: 3,589,003 km (0.083 R)
• M10: 4,307,671 km (0.053 R)
• M11: 4,807,178 km (0.118 R)
• M12: 5,086,926 km (0.082 R)
• M13: 6,690,615 km (0.093 R)
• M14: 7,000,432 km (0.11 R)
• M15: 7,442,195 km (0.117 R)
• M16: 8,204,845 km (0.078 R)
• M17: 9,206,403 km (0.106 R)
• M18: 10,287,397 km (0.101 R)
• M19: 12,757,557 km (0.067 R)
• M20: 15,329,743 km (0.118 R)
• M21: 15,597,822 km (0.058 R)
• M22: 25,926,957 km (0.09 R)
• M23: 27,968,220 km (0.111 R)
• M24: 28,976,808 km (0.065 R)
• M25: 32,698,504 km (0.11 R)
• M26: 45,062,918 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 10,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit