🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.2

Radius: 14.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.13 AU - 1.81 AU

Year: 1230 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,825,959 km

• M1: 180,415 km (0.111 R)
• M2: 638,933 km (0.117 R)
• M3: 1,269,637 km (0.058 R)
• M4: 4,713,679 km (0.108 R)
• M5: 5,203,313 km (0.095 R)
• M6: 6,035,227 km (0.106 R)
• M7: 7,204,633 km (0.09 R)
• M8: 8,691,786 km (0.038 R)
• M9: 9,280,753 km (0.118 R)
• M10: 10,375,360 km (0.109 R)
• M11: 10,836,720 km (0.101 R)
• M12: 11,346,251 km (0.106 R)
• M13: 11,942,996 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.7

Radius: 14.3

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.47 AU - 2.23 AU

Year: 1737 Days

Day: 8.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,825,959 km

• M1: 177,872 km (0.089 R)
• M2: 718,818 km (0.105 R)
• M3: 1,167,611 km (0.116 R)
• M4: 1,822,700 km (0.086 R)
• M5: 2,512,795 km (0.061 R)
• M6: 3,386,896 km (0.09 R)
• M7: 4,212,676 km (0.098 R)
• M8: 8,372,843 km (0.089 R)
• M9: 8,840,037 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.9

Radius: 9.2

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.85 AU - 2.69 AU

Year: 2361 Days

Day: 8.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,825,959 km

• M1: 114,442 km (0.108 R)
• M2: 418,126 km (0.116 R)
• M3: 1,028,186 km (0.112 R)
• M4: 2,051,735 km (0.081 R)
• M5: 2,692,911 km (0.099 R)
• M6: 3,144,547 km (0.04 R)
• M7: 4,088,360 km (0.113 R)
• M8: 4,526,682 km (0.104 R)
• M9: 5,565,490 km (0.097 R)
• M10: 5,866,181 km (0.08 R)
• M11: 7,287,810 km (0.064 R)
• M12: 7,818,583 km (0.099 R)
• M13: 8,108,205 km (0.075 R)
• M14: 8,465,145 km (0.103 R)
• M15: 8,957,472 km (0.088 R)
• M16: 9,403,722 km (0.077 R)
• M17: 11,229,265 km (0.104 R)
• M18: 11,748,370 km (0.091 R)
• M19: 12,596,590 km (0.092 R)
• M20: 13,818,056 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 9.1

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.81 AU - 2.83 AU

Year: 3269 Days

Day: 13.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,825,959 km

• M1: 113,096 km (0.082 R)
• M2: 525,089 km (0.106 R)
• M3: 1,119,740 km (0.051 R)
• M4: 1,435,691 km (0.059 R)
• M5: 1,729,501 km (0.115 R)
• M6: 3,336,930 km (0.097 R)
• M7: 3,891,489 km (0.047 R)
• M8: 4,701,113 km (0.116 R)
• M9: 5,741,417 km (0.097 R)
• M10: 7,480,492 km (0.107 R)
• M11: 8,061,829 km (0.117 R)
• M12: 8,350,404 km (0.09 R)
• M13: 8,948,197 km (0.064 R)
• M14: 9,343,434 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.9

Radius: 10.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.66 AU - 3.74 AU

Year: 3951 Days

Day: 7.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 94.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,825,959 km

• M1: 130,599 km (0.107 R)
• M2: 458,368 km (0.116 R)
• M3: 791,522 km (0.118 R)
• M4: 1,186,461 km (0.116 R)
• M5: 2,148,525 km (0.099 R)
• M6: 3,013,051 km (0.083 R)
• M7: 3,467,379 km (0.05 R)
• M8: 3,949,234 km (0.075 R)
• M9: 4,633,944 km (0.116 R)
• M10: 5,133,002 km (0.078 R)
• M11: 5,996,631 km (0.083 R)
• M12: 7,114,576 km (0.105 R)
• M13: 10,198,386 km (0.059 R)
• M14: 10,721,979 km (0.065 R)
• M15: 11,861,166 km (0.039 R)
• M16: 12,757,108 km (0.044 R)
• M17: 13,201,414 km (0.119 R)
• M18: 13,655,892 km (0.097 R)
• M19: 14,163,478 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.8

Radius: 13.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.47 AU - 4.37 AU

Year: 5357 Days

Day: 11.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,825,959 km

• M1: 171,738 km (0.048 R)
• M2: 681,717 km (0.025 R)
• M3: 1,244,056 km (0.072 R)
• M4: 1,900,043 km (0.091 R)
• M5: 2,872,429 km (0.048 R)
• M6: 3,345,607 km (0.112 R)
• M7: 4,401,319 km (0.042 R)
• M8: 5,973,593 km (0.104 R)
• M9: 7,931,829 km (0.106 R)
• M10: 10,514,187 km (0.078 R)
• M11: 11,024,914 km (0.111 R)
• M12: 11,748,370 km (0.117 R)
• M13: 12,606,164 km (0.091 R)
• M14: 15,079,017 km (0.1 R)
• M15: 15,610,089 km (0.067 R)
• M16: 17,023,789 km (0.096 R)
• M17: 19,475,100 km (0.096 R)
• M18: 23,777,983 km (0.09 R)
• M19: 24,579,080 km (0.058 R)
• M20: 25,982,158 km (0.07 R)
• M21: 26,489,893 km (0.072 R)
• M22: 27,177,146 km (0.071 R)
• M23: 28,141,454 km (0.114 R)
• M24: 29,401,816 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.4

Radius: 3

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.19 AU - 9.87 AU

Year: 17196 Days

Day: 22.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,825,959 km

• M1: 40,242 km (0.095 R)
• M2: 187,297 km (0.102 R)
• M3: 340,934 km (0.088 R)
• M4: 555,756 km (0.087 R)
• M5: 675,584 km (0.1 R)
• M6: 780,452 km (0.077 R)
• M7: 1,738,926 km (0.091 R)
• M8: 2,027,500 km (0.1 R)
• M9: 2,449,216 km (0.119 R)
• M10: 3,419,807 km (0.074 R)
• M11: 5,030,079 km (0.079 R)
• M12: 7,776,397 km (0.11 R)
• M13: 8,158,170 km (0.097 R)
• M14: 9,593,113 km (0.058 R)
• M15: 11,235,698 km (0.094 R)
• M16: 11,872,237 km (0.11 R)
• M17: 13,649,908 km (0.092 R)
• M18: 14,601,799 km (0.115 R)
• M19: 27,445,225 km (0.045 R)
• M20: 27,795,883 km (0.056 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 16,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit