🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.2

Radius: 12.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.54 AU - 0.58 AU

Year: 289 Days

Day: 12.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,303,118 km

• M1: 160,818 km (0.067 R)
• M2: 571,314 km (0.057 R)
• M3: 1,070,522 km (0.082 R)
• M4: 1,991,746 km (0.105 R)
• M5: 2,534,338 km (0.118 R)
• M6: 3,071,693 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.2

Radius: 8.2

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1 AU - 1.14 AU

Year: 764 Days

Day: 10.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,303,118 km

• M1: 102,026 km (0.079 R)
• M2: 427,252 km (0.068 R)
• M3: 761,453 km (0.092 R)
• M4: 1,251,386 km (0.077 R)
• M5: 1,660,237 km (0.066 R)
• M6: 2,014,784 km (0.108 R)
• M7: 2,704,580 km (0.094 R)
• M8: 3,046,561 km (0.059 R)
• M9: 3,306,562 km (0.108 R)
• M10: 3,620,119 km (0.031 R)
• M11: 4,050,512 km (0.111 R)
• M12: 4,336,543 km (0.09 R)
• M13: 5,741,716 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.5

Radius: 11.6

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.02 AU - 1.42 AU

Year: 930 Days

Day: 13.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,303,118 km

• M1: 144,362 km (0.07 R)
• M2: 505,940 km (0.082 R)
• M3: 936,632 km (0.056 R)
• M4: 1,595,312 km (0.059 R)
• M5: 2,341,356 km (0.092 R)
• M6: 2,842,360 km (0.119 R)
• M7: 3,228,322 km (0.097 R)
• M8: 3,720,948 km (0.079 R)
• M9: 4,231,974 km (0.083 R)
• M10: 4,603,725 km (0.059 R)
• M11: 5,068,376 km (0.09 R)
• M12: 6,357,910 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.8

Radius: 12.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.12 AU - 1.62 AU

Year: 1107 Days

Day: 5.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,303,118 km

• M1: 157,975 km (0.088 R)
• M2: 601,234 km (0.087 R)
• M3: 1,025,194 km (0.083 R)
• M4: 1,658,292 km (0.107 R)
• M5: 2,174,854 km (0.091 R)
• M6: 2,637,859 km (0.071 R)
• M7: 3,420,855 km (0.097 R)
• M8: 3,891,340 km (0.099 R)
• M9: 4,633,794 km (0.113 R)
• M10: 5,651,359 km (0.047 R)
• M11: 6,812,537 km (0.075 R)
• M12: 7,388,040 km (0.096 R)
• M13: 8,392,590 km (0.082 R)
• M14: 9,340,741 km (0.084 R)
• M15: 10,174,151 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.3

Radius: 14.7

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.85 AU - 1.87 AU

Year: 1751 Days

Day: 11.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 59.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,303,118 km

• M1: 184,753 km (0.09 R)
• M2: 972,835 km (0.104 R)
• M3: 1,681,630 km (0.064 R)
• M4: 2,281,667 km (0.116 R)
• M5: 2,778,332 km (0.107 R)
• M6: 3,428,334 km (0.102 R)
• M7: 3,994,862 km (0.047 R)
• M8: 6,178,841 km (0.101 R)
• M9: 7,239,340 km (0.085 R)
• M10: 8,060,333 km (0.107 R)
• M11: 9,261,604 km (0.083 R)
• M12: 10,058,362 km (0.105 R)
• M13: 12,685,451 km (0.113 R)
• M14: 13,211,886 km (0.062 R)
• M15: 13,837,504 km (0.097 R)
• M16: 14,482,869 km (0.081 R)
• M17: 15,013,493 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.5

Radius: 11.9

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.44 AU - 3.36 AU

Year: 3409 Days

Day: 11.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,303,118 km

• M1: 149,598 km (0.08 R)
• M2: 528,529 km (0.036 R)
• M3: 1,063,940 km (0.045 R)
• M4: 1,657,694 km (0.056 R)
• M5: 2,128,030 km (0.091 R)
• M6: 3,740,246 km (0.098 R)
• M7: 4,442,159 km (0.067 R)
• M8: 5,204,211 km (0.118 R)
• M9: 6,138,001 km (0.074 R)
• M10: 7,408,835 km (0.029 R)
• M11: 8,089,056 km (0.114 R)
• M12: 9,073,111 km (0.099 R)
• M13: 9,852,067 km (0.102 R)
• M14: 10,507,006 km (0.066 R)
• M15: 10,888,032 km (0.035 R)
• M16: 12,040,983 km (0.055 R)
• M17: 15,494,300 km (0.117 R)
• M18: 16,211,772 km (0.112 R)
• M19: 16,664,305 km (0.047 R)
• M20: 19,054,430 km (0.057 R)
• M21: 19,558,575 km (0.037 R)
• M22: 20,136,472 km (0.066 R)
• M23: 21,326,224 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.7

Radius: 11.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.53 AU - 5.57 AU

Year: 6699 Days

Day: 7.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,303,118 km

• M1: 139,276 km (0.098 R)
• M2: 567,126 km (0.11 R)
• M3: 1,985,912 km (0.091 R)
• M4: 3,354,583 km (0.076 R)
• M5: 3,958,659 km (0.05 R)
• M6: 4,408,948 km (0.119 R)
• M7: 4,893,346 km (0.065 R)
• M8: 5,878,897 km (0.063 R)
• M9: 6,924,885 km (0.108 R)
• M10: 8,430,588 km (0.094 R)
• M11: 10,539,320 km (0.07 R)
• M12: 11,884,204 km (0.118 R)
• M13: 15,713,461 km (0.119 R)
• M14: 17,402,272 km (0.079 R)
• M15: 23,879,560 km (0.047 R)
• M16: 26,435,440 km (0.082 R)
• M17: 29,701,012 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.5

Radius: 4

Gravity: 18.28 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.48 AU - 11.06 AU

Year: 19482 Days

Day: 19.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,303,118 km

• M1: 50,414 km (0.106 R)
• M2: 188,194 km (0.087 R)
• M3: 321,336 km (0.105 R)
• M4: 520,301 km (0.083 R)
• M5: 866,920 km (0.087 R)
• M6: 1,108,520 km (0.098 R)
• M7: 1,271,432 km (0.112 R)
• M8: 1,927,868 km (0.077 R)
• M9: 2,221,977 km (0.093 R)
• M10: 3,926,795 km (0.081 R)
• M11: 4,158,222 km (0.09 R)
• M12: 4,337,590 km (0.047 R)
• M13: 4,841,585 km (0.036 R)
• M14: 5,313,716 km (0.073 R)
• M15: 6,427,772 km (0.116 R)
• M16: 7,123,701 km (0.076 R)
• M17: 9,307,232 km (0.119 R)
• M18: 10,035,025 km (0.088 R)
• M19: 10,688,319 km (0.096 R)
• M20: 10,968,815 km (0.072 R)
• M21: 13,982,165 km (0.066 R)
• M22: 14,250,095 km (0.102 R)
• M23: 15,144,540 km (0.096 R)
• M24: 16,002,783 km (0.035 R)
• M25: 16,667,447 km (0.047 R)
• M26: 17,504,596 km (0.063 R)
• M27: 18,369,272 km (0.07 R)
• M28: 20,013,802 km (0.108 R)
• M29: 20,525,725 km (0.079 R)
• M30: 26,234,829 km (0.116 R)
• M31: 32,098,617 km (0.079 R)
• M32: 38,909,957 km (0.1 R)
• M33: 41,469,876 km (0.089 R)
• M34: 43,568,585 km (0.059 R)
• M35: 44,861,110 km (0.114 R)
• M36: 45,736,856 km (0.086 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 15,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit