🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.1

Radius: 14.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.51 AU - 1.85 AU

Year: 1503 Days

Day: 8.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,447,645 km

• M1: 177,872 km (0.119 R)
• M2: 629,957 km (0.09 R)
• M3: 1,235,080 km (0.11 R)
• M4: 1,769,593 km (0.042 R)
• M5: 2,259,975 km (0.102 R)
• M6: 3,118,966 km (0.109 R)
• M7: 3,570,004 km (0.114 R)
• M8: 4,383,816 km (0.073 R)
• M9: 4,913,692 km (0.109 R)
• M10: 5,967,309 km (0.116 R)
• M11: 6,596,219 km (0.059 R)
• M12: 7,115,623 km (0.09 R)
• M13: 7,742,887 km (0.118 R)
• M14: 9,168,554 km (0.11 R)
• M15: 9,976,084 km (0.114 R)
• M16: 11,520,532 km (0.096 R)
• M17: 12,313,251 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.2

Radius: 8.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.97 AU - 2.91 AU

Year: 2631 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,447,645 km

• M1: 109,506 km (0.075 R)
• M2: 572,212 km (0.119 R)
• M3: 839,394 km (0.087 R)
• M4: 1,303,895 km (0.105 R)
• M5: 1,932,057 km (0.099 R)
• M6: 2,804,212 km (0.117 R)
• M7: 3,250,014 km (0.109 R)
• M8: 3,811,604 km (0.091 R)
• M9: 4,152,837 km (0.079 R)
• M10: 4,533,863 km (0.101 R)
• M11: 5,544,396 km (0.064 R)
• M12: 6,175,101 km (0.046 R)
• M13: 7,169,478 km (0.067 R)
• M14: 7,775,499 km (0.111 R)
• M15: 9,279,556 km (0.074 R)
• M16: 10,545,752 km (0.059 R)
• M17: 11,329,346 km (0.084 R)
• M18: 12,227,980 km (0.03 R)
• M19: 13,663,821 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.2

Radius: 10.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.39 AU - 3.77 AU

Year: 4676 Days

Day: 11.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,447,645 km

• M1: 135,835 km (0.067 R)
• M2: 648,656 km (0.062 R)
• M3: 1,710,352 km (0.084 R)
• M4: 2,429,918 km (0.034 R)
• M5: 3,552,052 km (0.104 R)
• M6: 4,892,299 km (0.084 R)
• M7: 5,476,778 km (0.052 R)
• M8: 10,010,641 km (0.12 R)
• M9: 10,577,916 km (0.102 R)
• M10: 11,209,368 km (0.043 R)
• M11: 11,955,114 km (0.079 R)
• M12: 15,646,142 km (0.074 R)
• M13: 16,134,729 km (0.038 R)
• M14: 20,035,044 km (0.101 R)
• M15: 23,590,537 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 13.6

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.31 AU - 5.49 AU

Year: 6371 Days

Day: 10.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,447,645 km

• M1: 169,195 km (0.096 R)
• M2: 809,773 km (0.117 R)
• M3: 1,386,623 km (0.074 R)
• M4: 2,234,543 km (0.1 R)
• M5: 2,879,909 km (0.095 R)
• M6: 3,363,259 km (0.084 R)
• M7: 6,025,503 km (0.092 R)
• M8: 6,549,694 km (0.079 R)
• M9: 9,296,760 km (0.11 R)
• M10: 9,998,523 km (0.088 R)
• M11: 11,657,264 km (0.099 R)
• M12: 17,401,524 km (0.119 R)
• M13: 19,437,551 km (0.093 R)
• M14: 20,150,235 km (0.11 R)
• M15: 24,550,207 km (0.069 R)
• M16: 33,647,703 km (0.047 R)
• M17: 34,365,024 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.9

Radius: 11

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.72 AU - 5.44 AU

Year: 7903 Days

Day: 12.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,447,645 km

• M1: 137,630 km (0.086 R)
• M2: 1,999,226 km (0.111 R)
• M3: 2,879,310 km (0.12 R)
• M4: 7,378,317 km (0.068 R)
• M5: 10,097,856 km (0.08 R)
• M6: 11,209,967 km (0.105 R)
• M7: 11,613,432 km (0.115 R)
• M8: 12,544,829 km (0.068 R)
• M9: 15,144,840 km (0.102 R)
• M10: 15,693,864 km (0.089 R)
• M11: 17,065,676 km (0.104 R)
• M12: 18,954,050 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.4

Radius: 4.9

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.45 AU - 7.87 AU

Year: 11864 Days

Day: 18 Hours

Environment

Temp: -223 °C

Axial Tilt: 155 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,447,645 km

• M1: 61,036 km (0.088 R)
• M2: 374,294 km (0.106 R)
• M3: 578,794 km (0.068 R)
• M4: 1,144,723 km (0.049 R)
• M5: 1,882,390 km (0.111 R)
• M6: 2,422,438 km (0.064 R)
• M7: 6,674,459 km (0.065 R)
• M8: 7,832,496 km (0.06 R)
• M9: 10,347,834 km (0.073 R)
• M10: 12,366,209 km (0.116 R)
• M11: 12,527,475 km (0.059 R)
• M12: 15,301,469 km (0.116 R)
• M13: 23,391,273 km (0.088 R)
• M14: 28,850,398 km (0.119 R)
• M15: 29,515,361 km (0.106 R)
• M16: 32,278,134 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.8

Radius: 5.8

Gravity: 27.73 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.02 AU - 8.74 AU

Year: 15269 Days

Day: 17.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,447,645 km

• M1: 72,106 km (0.055 R)
• M2: 417,827 km (0.032 R)
• M3: 771,476 km (0.033 R)
• M4: 1,009,038 km (0.096 R)
• M5: 1,367,025 km (0.067 R)
• M6: 1,972,298 km (0.088 R)
• M7: 4,151,191 km (0.11 R)
• M8: 4,958,122 km (0.081 R)
• M9: 6,315,573 km (0.114 R)
• M10: 6,966,922 km (0.107 R)
• M11: 7,903,854 km (0.097 R)
• M12: 11,527,264 km (0.093 R)
• M13: 15,733,806 km (0.072 R)
• M14: 16,282,831 km (0.062 R)
• M15: 19,398,954 km (0.077 R)
• M16: 23,090,731 km (0.077 R)
• M17: 23,392,769 km (0.075 R)
• M18: 23,697,350 km (0.028 R)
• M19: 24,731,969 km (0.108 R)
• M20: 28,589,948 km (0.108 R)
• M21: 30,119,437 km (0.11 R)
• M22: 36,239,635 km (0.082 R)
• M23: 39,877,108 km (0.1 R)
• M24: 46,574,604 km (0.069 R)
• M25: 47,218,174 km (0.095 R)
• M26: 55,770,984 km (0.106 R)
• M27: 68,150,656 km (0.102 R)
• M28: 69,188,417 km (0.047 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 18,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit