🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.9

Radius: 8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.64 AU - 0.94 AU

Year: 461 Days

Day: 9.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,842,222 km

• M1: 101,727 km (0.101 R)
• M2: 492,027 km (0.1 R)
• M3: 835,953 km (0.079 R)
• M4: 1,338,003 km (0.119 R)
• M5: 1,631,814 km (0.114 R)
• M6: 2,136,856 km (0.067 R)
• M7: 2,988,367 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.5

Radius: 8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.19 AU - 1.45 AU

Year: 995 Days

Day: 11.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,842,222 km

• M1: 101,278 km (0.096 R)
• M2: 388,206 km (0.095 R)
• M3: 771,626 km (0.062 R)
• M4: 1,103,583 km (0.099 R)
• M5: 1,383,780 km (0.092 R)
• M6: 2,062,955 km (0.041 R)
• M7: 2,316,673 km (0.104 R)
• M8: 2,613,325 km (0.092 R)
• M9: 3,168,932 km (0.077 R)
• M10: 4,339,385 km (0.111 R)
• M11: 5,188,353 km (0.032 R)
• M12: 5,531,531 km (0.079 R)
• M13: 6,025,653 km (0.105 R)
• M14: 6,487,012 km (0.036 R)
• M15: 7,732,116 km (0.078 R)
• M16: 7,989,573 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 12.9

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.47 AU - 1.61 AU

Year: 1254 Days

Day: 7.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,842,222 km

• M1: 160,369 km (0.112 R)
• M2: 1,475,783 km (0.078 R)
• M3: 2,163,784 km (0.071 R)
• M4: 3,071,992 km (0.084 R)
• M5: 5,526,744 km (0.119 R)
• M6: 6,133,214 km (0.072 R)
• M7: 7,533,450 km (0.11 R)
• M8: 9,508,441 km (0.025 R)
• M9: 11,306,757 km (0.1 R)
• M10: 11,880,764 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 12.1

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.89 AU - 1.97 AU

Year: 1759 Days

Day: 12.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,842,222 km

• M1: 154,235 km (0.11 R)
• M2: 870,510 km (0.086 R)
• M3: 1,352,514 km (0.084 R)
• M4: 1,761,216 km (0.083 R)
• M5: 2,279,423 km (0.042 R)
• M6: 3,176,262 km (0.067 R)
• M7: 4,002,790 km (0.097 R)
• M8: 5,181,322 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716

Radius: 11.9

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.33 AU - 3.05 AU

Year: 2894 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,842,222 km

• M1: 147,952 km (0.066 R)
• M2: 597,195 km (0.099 R)
• M3: 1,031,178 km (0.063 R)
• M4: 1,401,732 km (0.095 R)
• M5: 1,852,022 km (0.106 R)
• M6: 2,918,954 km (0.074 R)
• M7: 3,840,028 km (0.099 R)
• M8: 4,466,992 km (0.112 R)
• M9: 4,851,908 km (0.071 R)
• M10: 5,333,164 km (0.077 R)
• M11: 6,087,586 km (0.107 R)
• M12: 7,001,330 km (0.071 R)
• M13: 7,971,622 km (0.055 R)
• M14: 10,728,262 km (0.114 R)
• M15: 12,233,665 km (0.105 R)
• M16: 12,855,543 km (0.086 R)
• M17: 15,149,328 km (0.105 R)
• M18: 15,919,009 km (0.058 R)
• M19: 17,536,162 km (0.037 R)
• M20: 18,098,949 km (0.061 R)
• M21: 18,673,554 km (0.101 R)
• M22: 20,781,388 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.2

Radius: 14.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.18 AU - 3.36 AU

Year: 3024 Days

Day: 6.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,842,222 km

• M1: 185,352 km (0.109 R)
• M2: 751,879 km (0.118 R)
• M3: 1,452,296 km (0.111 R)
• M4: 2,323,704 km (0.113 R)
• M5: 2,798,827 km (0.064 R)
• M6: 4,844,877 km (0.105 R)
• M7: 6,527,404 km (0.084 R)
• M8: 10,610,678 km (0.067 R)
• M9: 11,471,763 km (0.096 R)
• M10: 12,705,497 km (0.11 R)
• M11: 14,247,552 km (0.118 R)
• M12: 15,911,080 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.5

Radius: 9.4

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.67 AU - 3.07 AU

Year: 3190 Days

Day: 5.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,842,222 km

• M1: 117,135 km (0.081 R)
• M2: 413,638 km (0.11 R)
• M3: 915,838 km (0.034 R)
• M4: 1,316,012 km (0.081 R)
• M5: 1,610,571 km (0.059 R)
• M6: 2,364,245 km (0.108 R)
• M7: 2,884,397 km (0.071 R)
• M8: 3,607,553 km (0.118 R)
• M9: 3,913,181 km (0.07 R)
• M10: 4,298,545 km (0.065 R)
• M11: 5,685,168 km (0.058 R)
• M12: 6,370,625 km (0.095 R)
• M13: 6,963,631 km (0.072 R)
• M14: 7,379,065 km (0.111 R)
• M15: 7,779,538 km (0.045 R)
• M16: 8,490,427 km (0.099 R)
• M17: 10,727,364 km (0.112 R)
• M18: 15,218,292 km (0.071 R)
• M19: 15,716,603 km (0.103 R)
• M20: 16,432,578 km (0.104 R)
• M21: 17,170,096 km (0.032 R)
• M22: 19,573,685 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.6

Radius: 13.2

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.68 AU - 4.92 AU

Year: 5849 Days

Day: 14.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,842,222 km

• M1: 164,109 km (0.057 R)
• M2: 756,068 km (0.102 R)
• M3: 1,788,443 km (0.106 R)
• M4: 2,224,072 km (0.04 R)
• M5: 2,823,211 km (0.111 R)
• M6: 3,485,182 km (0.071 R)
• M7: 4,475,819 km (0.065 R)
• M8: 5,235,028 km (0.084 R)
• M9: 6,335,619 km (0.09 R)
• M10: 7,808,410 km (0.05 R)
• M11: 8,746,688 km (0.081 R)
• M12: 9,243,353 km (0.111 R)
• M13: 10,707,019 km (0.087 R)
• M14: 14,715,793 km (0.075 R)
• M15: 15,719,744 km (0.104 R)
• M16: 16,455,467 km (0.091 R)
• M17: 19,630,382 km (0.118 R)
• M18: 20,701,054 km (0.115 R)
• M19: 22,880,845 km (0.089 R)
• M20: 23,826,154 km (0.102 R)
• M21: 28,947,786 km (0.105 R)
• M22: 30,806,241 km (0.102 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: 381 - 12,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit