🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.2

Radius: 10.3

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.65 AU - 1.01 AU

Year: 496 Days

Day: 11.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,177,504 km

• M1: 128,056 km (0.12 R)
• M2: 466,297 km (0.096 R)
• M3: 806,333 km (0.036 R)
• M4: 1,158,486 km (0.114 R)
• M5: 1,615,358 km (0.077 R)
• M6: 2,342,852 km (0.11 R)
• M7: 2,972,659 km (0.025 R)
• M8: 3,298,932 km (0.054 R)
• M9: 4,256,059 km (0.092 R)
• M10: 4,598,639 km (0.081 R)
• M11: 5,258,964 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.1

Radius: 11.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.12 AU - 1.52 AU

Year: 995 Days

Day: 12.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,177,504 km

• M1: 145,559 km (0.068 R)
• M2: 536,308 km (0.07 R)
• M3: 921,373 km (0.113 R)
• M4: 1,413,849 km (0.058 R)
• M5: 2,156,453 km (0.05 R)
• M6: 2,600,609 km (0.094 R)
• M7: 3,044,017 km (0.11 R)
• M8: 3,718,554 km (0.117 R)
• M9: 4,737,017 km (0.092 R)
• M10: 5,720,323 km (0.109 R)
• M11: 6,270,993 km (0.096 R)
• M12: 6,749,407 km (0.108 R)
• M13: 7,252,056 km (0.105 R)
• M14: 7,756,201 km (0.081 R)
• M15: 8,259,298 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.1

Radius: 8.9

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.69 AU - 3.31 AU

Year: 3409 Days

Day: 11.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,177,504 km

• M1: 110,702 km (0.106 R)
• M2: 445,054 km (0.117 R)
• M3: 744,549 km (0.053 R)
• M4: 1,779,616 km (0.08 R)
• M5: 2,138,801 km (0.064 R)
• M6: 2,987,619 km (0.055 R)
• M7: 3,556,540 km (0.079 R)
• M8: 4,130,996 km (0.078 R)
• M9: 4,671,343 km (0.115 R)
• M10: 5,007,789 km (0.108 R)
• M11: 5,360,541 km (0.07 R)
• M12: 7,064,011 km (0.054 R)
• M13: 7,904,003 km (0.103 R)
• M14: 8,453,028 km (0.114 R)
• M15: 8,737,114 km (0.08 R)
• M16: 9,704,264 km (0.114 R)
• M17: 10,213,944 km (0.091 R)
• M18: 10,907,181 km (0.075 R)
• M19: 14,698,888 km (0.107 R)
• M20: 16,009,964 km (0.098 R)
• M21: 16,335,938 km (0.056 R)
• M22: 17,626,668 km (0.082 R)
• M23: 19,719,243 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.9

Radius: 9.3

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.69 AU - 3.81 AU

Year: 4764 Days

Day: 6.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,177,504 km

• M1: 115,938 km (0.119 R)
• M2: 526,435 km (0.111 R)
• M3: 1,217,577 km (0.06 R)
• M4: 1,783,955 km (0.072 R)
• M5: 2,108,432 km (0.114 R)
• M6: 2,428,422 km (0.108 R)
• M7: 3,046,112 km (0.079 R)
• M8: 4,823,783 km (0.119 R)
• M9: 7,709,676 km (0.063 R)
• M10: 9,110,959 km (0.107 R)
• M11: 10,999,782 km (0.116 R)
• M12: 11,584,261 km (0.1 R)
• M13: 13,321,840 km (0.109 R)
• M14: 18,211,895 km (0.118 R)
• M15: 20,302,525 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.1

Radius: 12.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.88 AU - 4.42 AU

Year: 5546 Days

Day: 5.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,177,504 km

• M1: 159,771 km (0.08 R)
• M2: 570,716 km (0.107 R)
• M3: 1,047,933 km (0.094 R)
• M4: 2,789,701 km (0.114 R)
• M5: 3,948,935 km (0.107 R)
• M6: 4,572,459 km (0.113 R)
• M7: 5,005,246 km (0.033 R)
• M8: 5,829,380 km (0.096 R)
• M9: 6,879,856 km (0.045 R)
• M10: 8,850,659 km (0.066 R)
• M11: 9,788,637 km (0.104 R)
• M12: 13,056,304 km (0.075 R)
• M13: 13,710,046 km (0.091 R)
• M14: 14,557,967 km (0.104 R)
• M15: 19,752,753 km (0.042 R)
• M16: 23,591,135 km (0.119 R)
• M17: 24,398,066 km (0.086 R)
• M18: 24,891,141 km (0.048 R)
• M19: 25,307,023 km (0.086 R)
• M20: 26,324,139 km (0.057 R)
• M21: 28,079,520 km (0.063 R)
• M22: 31,434,103 km (0.118 R)
• M23: 32,708,378 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.8

Radius: 10.2

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.18 AU - 5.54 AU

Year: 8141 Days

Day: 11.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,177,504 km

• M1: 127,607 km (0.075 R)
• M2: 570,267 km (0.109 R)
• M3: 1,279,660 km (0.059 R)
• M4: 1,811,032 km (0.058 R)
• M5: 2,717,146 km (0.049 R)
• M6: 3,505,078 km (0.075 R)
• M7: 6,102,696 km (0.036 R)
• M8: 11,182,890 km (0.106 R)
• M9: 13,481,162 km (0.044 R)
• M10: 15,678,306 km (0.08 R)
• M11: 16,347,607 km (0.049 R)
• M12: 16,827,367 km (0.08 R)
• M13: 19,292,291 km (0.115 R)
• M14: 21,741,358 km (0.086 R)
• M15: 28,019,681 km (0.099 R)
• M16: 30,629,865 km (0.098 R)
• M17: 34,282,297 km (0.12 R)
• M18: 36,213,007 km (0.103 R)
• M19: 36,794,344 km (0.046 R)
• M20: 37,263,932 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.6

Radius: 5.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 8.06 AU - 12.8 AU

Year: 22097 Days

Day: 22.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,177,504 km

• M1: 75,846 km (0.055 R)
• M2: 321,037 km (0.099 R)
• M3: 851,661 km (0.094 R)
• M4: 1,391,111 km (0.059 R)
• M5: 1,679,087 km (0.119 R)
• M6: 2,375,165 km (0.098 R)
• M7: 4,452,332 km (0.072 R)
• M8: 6,508,555 km (0.064 R)
• M9: 10,085,888 km (0.061 R)
• M10: 10,566,397 km (0.06 R)
• M11: 11,834,388 km (0.118 R)
• M12: 15,791,102 km (0.101 R)
• M13: 15,983,635 km (0.05 R)
• M14: 19,573,685 km (0.081 R)
• M15: 20,094,734 km (0.06 R)
• M16: 22,513,582 km (0.089 R)
• M17: 24,859,127 km (0.041 R)
• M18: 31,324,597 km (0.086 R)
• M19: 34,239,512 km (0.081 R)
• M20: 34,562,194 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 12,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit