🌌 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: 688.7

Radius: 14.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.7 AU - 0.88 AU

Year: 468 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,832,160 km

• M1: 185,352 km (0.085 R)
• M2: 969,544 km (0.112 R)
• M3: 1,512,434 km (0.116 R)
• M4: 2,013,887 km (0.045 R)
• M5: 2,688,124 km (0.069 R)
• M6: 3,342,914 km (0.073 R)
• M7: 3,876,380 km (0.046 R)
• M8: 5,196,731 km (0.095 R)
• M9: 6,040,612 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.6

Radius: 8.4

Gravity: 13.98 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.86 AU - 1.26 AU

Year: 728 Days

Day: 5.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,832,160 km

• M1: 111,899 km (0.115 R)
• M2: 410,197 km (0.116 R)
• M3: 836,102 km (0.11 R)
• M4: 1,130,062 km (0.076 R)
• M5: 1,906,326 km (0.107 R)
• M6: 2,527,755 km (0.101 R)
• M7: 2,936,157 km (0.111 R)
• M8: 3,675,171 km (0.116 R)
• M9: 4,041,087 km (0.106 R)
• M10: 4,347,913 km (0.1 R)
• M11: 5,654,949 km (0.057 R)
• M12: 5,957,286 km (0.105 R)
• M13: 7,561,873 km (0.08 R)
• M14: 8,231,922 km (0.1 R)
• M15: 9,351,961 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.5

Radius: 8

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.79 AU - 2.75 AU

Year: 2281 Days

Day: 11 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,832,160 km

• M1: 99,483 km (0.056 R)
• M2: 380,278 km (0.093 R)
• M3: 703,708 km (0.088 R)
• M4: 971,788 km (0.098 R)
• M5: 1,679,834 km (0.098 R)
• M6: 2,849,391 km (0.061 R)
• M7: 3,794,101 km (0.111 R)
• M8: 4,910,700 km (0.119 R)
• M9: 5,167,559 km (0.041 R)
• M10: 5,888,172 km (0.073 R)
• M11: 7,018,982 km (0.084 R)
• M12: 7,651,333 km (0.069 R)
• M13: 8,586,319 km (0.099 R)
• M14: 9,960,974 km (0.034 R)
• M15: 12,655,681 km (0.088 R)
• M16: 13,820,898 km (0.111 R)
• M17: 14,193,397 km (0.117 R)
• M18: 16,622,867 km (0.107 R)
• M19: 17,044,284 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.6

Radius: 10.1

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.75 AU - 2.79 AU

Year: 2281 Days

Day: 14.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,832,160 km

• M1: 128,654 km (0.113 R)
• M2: 597,793 km (0.055 R)
• M3: 928,554 km (0.109 R)
• M4: 2,013,887 km (0.11 R)
• M5: 2,413,014 km (0.058 R)
• M6: 3,291,752 km (0.103 R)
• M7: 5,329,424 km (0.063 R)
• M8: 5,906,274 km (0.055 R)
• M9: 6,271,891 km (0.067 R)
• M10: 6,626,886 km (0.098 R)
• M11: 7,489,169 km (0.043 R)
• M12: 8,064,971 km (0.065 R)
• M13: 12,159,315 km (0.03 R)
• M14: 12,473,620 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916

Radius: 8

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.48 AU - 3.12 AU

Year: 3124 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,832,160 km

• M1: 99,483 km (0.056 R)
• M2: 793,318 km (0.046 R)
• M3: 1,591,871 km (0.073 R)
• M4: 2,148,225 km (0.108 R)
• M5: 2,518,630 km (0.074 R)
• M6: 2,931,071 km (0.095 R)
• M7: 3,292,948 km (0.112 R)
• M8: 4,041,087 km (0.116 R)
• M9: 4,443,954 km (0.082 R)
• M10: 5,815,168 km (0.104 R)
• M11: 7,448,179 km (0.087 R)
• M12: 9,558,556 km (0.087 R)
• M13: 11,371,533 km (0.052 R)
• M14: 12,498,005 km (0.079 R)
• M15: 13,697,031 km (0.075 R)
• M16: 14,248,300 km (0.12 R)
• M17: 14,814,079 km (0.047 R)
• M18: 15,181,940 km (0.112 R)
• M19: 15,826,707 km (0.111 R)
• M20: 21,191,137 km (0.092 R)
• M21: 22,200,623 km (0.119 R)
• M22: 22,751,891 km (0.084 R)
• M23: 23,596,072 km (0.074 R)
• M24: 24,242,784 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.1

Radius: 10.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.29 AU - 4.33 AU

Year: 4959 Days

Day: 5.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,832,160 km

• M1: 135,087 km (0.097 R)
• M2: 480,808 km (0.054 R)
• M3: 857,944 km (0.06 R)
• M4: 1,328,279 km (0.088 R)
• M5: 2,207,616 km (0.109 R)
• M6: 2,815,881 km (0.071 R)
• M7: 3,417,713 km (0.082 R)
• M8: 4,664,013 km (0.083 R)
• M9: 5,275,120 km (0.12 R)
• M10: 5,693,695 km (0.085 R)
• M11: 6,807,601 km (0.086 R)
• M12: 7,432,321 km (0.113 R)
• M13: 8,060,932 km (0.047 R)
• M14: 8,653,040 km (0.118 R)
• M15: 10,280,665 km (0.101 R)
• M16: 11,019,230 km (0.055 R)
• M17: 11,969,625 km (0.084 R)
• M18: 14,331,476 km (0.08 R)
• M19: 14,941,686 km (0.119 R)
• M20: 15,305,508 km (0.063 R)
• M21: 16,988,334 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.8

Radius: 4.2

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.38 AU - 9.52 AU

Year: 14948 Days

Day: 21.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,832,160 km

• M1: 52,210 km (0.105 R)
• M2: 203,902 km (0.086 R)
• M3: 356,193 km (0.056 R)
• M4: 513,420 km (0.093 R)
• M5: 659,727 km (0.061 R)
• M6: 801,695 km (0.112 R)
• M7: 1,098,048 km (0.062 R)
• M8: 1,322,146 km (0.086 R)
• M9: 2,040,665 km (0.096 R)
• M10: 2,296,178 km (0.111 R)
• M11: 3,049,104 km (0.09 R)
• M12: 4,124,563 km (0.101 R)
• M13: 4,720,262 km (0.11 R)
• M14: 5,283,198 km (0.11 R)
• M15: 7,948,135 km (0.079 R)
• M16: 10,257,477 km (0.101 R)
• M17: 10,487,409 km (0.054 R)
• M18: 15,413,817 km (0.04 R)
• M19: 15,959,550 km (0.116 R)
• M20: 17,153,640 km (0.092 R)
• M21: 18,406,223 km (0.057 R)
• M22: 19,227,814 km (0.085 R)
• M23: 19,860,015 km (0.101 R)
• M24: 20,145,298 km (0.114 R)
• M25: 21,463,255 km (0.115 R)
• M26: 21,991,037 km (0.066 R)
• M27: 25,007,528 km (0.063 R)
• M28: 28,922,953 km (0.108 R)
• M29: 29,197,615 km (0.097 R)
• M30: 33,328,012 km (0.09 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: 462 - 17,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit