🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.5

Radius: 13.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.56 AU - 0.64 AU

Year: 327 Days

Day: 7 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,355,843 km

• M1: 166,652 km (0.115 R)
• M2: 622,028 km (0.116 R)
• M3: 1,044,792 km (0.107 R)
• M4: 1,514,230 km (0.085 R)
• M5: 1,975,589 km (0.111 R)
• M6: 2,410,919 km (0.11 R)
• M7: 2,911,025 km (0.05 R)
• M8: 3,360,866 km (0.1 R)
• M9: 3,916,622 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.4

Radius: 13.4

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.62 AU - 0.74 AU

Year: 394 Days

Day: 8.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,355,843 km

• M1: 167,101 km (0.098 R)
• M2: 695,032 km (0.118 R)
• M3: 1,422,676 km (0.1 R)
• M4: 1,848,132 km (0.048 R)
• M5: 2,768,757 km (0.091 R)
• M6: 3,204,835 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.8

Radius: 12.1

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.96 AU - 1.34 AU

Year: 867 Days

Day: 14.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,355,843 km

• M1: 151,692 km (0.076 R)
• M2: 615,745 km (0.066 R)
• M3: 1,193,043 km (0.109 R)
• M4: 1,648,419 km (0.062 R)
• M5: 2,028,846 km (0.05 R)
• M6: 2,424,233 km (0.071 R)
• M7: 2,846,698 km (0.082 R)
• M8: 3,304,617 km (0.113 R)
• M9: 3,721,097 km (0.11 R)
• M10: 4,108,257 km (0.12 R)
• M11: 4,626,165 km (0.045 R)
• M12: 5,131,057 km (0.049 R)
• M13: 5,692,498 km (0.036 R)
• M14: 7,124,299 km (0.05 R)
• M15: 8,919,175 km (0.092 R)
• M16: 9,503,654 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.1

Radius: 10.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.95 AU - 1.51 AU

Year: 959 Days

Day: 11.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,355,843 km

• M1: 126,859 km (0.095 R)
• M2: 547,379 km (0.09 R)
• M3: 922,869 km (0.111 R)
• M4: 1,317,658 km (0.09 R)
• M5: 1,672,205 km (0.095 R)
• M6: 2,179,342 km (0.093 R)
• M7: 2,807,952 km (0.089 R)
• M8: 4,252,170 km (0.099 R)
• M9: 5,104,279 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.6

Radius: 11.1

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.42 AU - 1.48 AU

Year: 1227 Days

Day: 10 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,355,843 km

• M1: 139,276 km (0.091 R)
• M2: 526,285 km (0.086 R)
• M3: 973,733 km (0.06 R)
• M4: 2,196,546 km (0.116 R)
• M5: 2,876,617 km (0.048 R)
• M6: 3,363,858 km (0.055 R)
• M7: 3,806,069 km (0.107 R)
• M8: 4,340,732 km (0.116 R)
• M9: 4,925,061 km (0.082 R)
• M10: 5,888,172 km (0.095 R)
• M11: 6,750,604 km (0.109 R)
• M12: 8,495,364 km (0.055 R)
• M13: 9,289,280 km (0.074 R)
• M14: 10,293,680 km (0.115 R)
• M15: 12,150,489 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830

Radius: 12.8

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.12 AU - 2.5 AU

Year: 2468 Days

Day: 11.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,355,843 km

• M1: 159,471 km (0.078 R)
• M2: 606,470 km (0.106 R)
• M3: 1,014,423 km (0.098 R)
• M4: 1,858,305 km (0.104 R)
• M5: 2,477,191 km (0.091 R)
• M6: 3,128,690 km (0.093 R)
• M7: 3,606,057 km (0.103 R)
• M8: 4,091,352 km (0.038 R)
• M9: 5,841,647 km (0.104 R)
• M10: 7,148,385 km (0.12 R)
• M11: 8,406,802 km (0.076 R)
• M12: 9,807,936 km (0.048 R)
• M13: 10,798,722 km (0.049 R)
• M14: 12,669,892 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.1

Radius: 9.6

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.06 AU - 3.3 AU

Year: 3084 Days

Day: 8.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,355,843 km

• M1: 119,379 km (0.101 R)
• M2: 462,108 km (0.066 R)
• M3: 825,780 km (0.072 R)
• M4: 1,191,248 km (0.096 R)
• M5: 1,837,211 km (0.067 R)
• M6: 2,474,050 km (0.078 R)
• M7: 2,942,740 km (0.063 R)
• M8: 3,359,519 km (0.039 R)
• M9: 4,141,916 km (0.068 R)
• M10: 4,805,084 km (0.097 R)
• M11: 5,162,323 km (0.11 R)
• M12: 6,038,219 km (0.104 R)
• M13: 6,454,849 km (0.091 R)
• M14: 7,565,314 km (0.105 R)
• M15: 8,384,661 km (0.106 R)
• M16: 8,939,370 km (0.113 R)
• M17: 11,573,938 km (0.083 R)
• M18: 12,438,016 km (0.062 R)
• M19: 12,840,733 km (0.116 R)
• M20: 13,719,322 km (0.102 R)
• M21: 14,935,702 km (0.108 R)
• M22: 15,390,779 km (0.081 R)
• M23: 18,606,834 km (0.085 R)
• M24: 20,340,822 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.6

Radius: 13.1

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.35 AU - 4.71 AU

Year: 6777 Days

Day: 6.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,355,843 km

• M1: 163,959 km (0.082 R)
• M2: 822,040 km (0.12 R)
• M3: 1,273,377 km (0.117 R)
• M4: 2,163,933 km (0.091 R)
• M5: 2,783,418 km (0.114 R)
• M6: 3,711,374 km (0.113 R)
• M7: 4,994,774 km (0.107 R)
• M8: 5,724,063 km (0.037 R)
• M9: 6,717,842 km (0.107 R)
• M10: 8,230,576 km (0.117 R)
• M11: 9,372,157 km (0.114 R)
• M12: 10,483,071 km (0.096 R)
• M13: 11,209,069 km (0.11 R)
• M14: 12,360,823 km (0.107 R)
• M15: 12,914,485 km (0.098 R)
• M16: 14,398,645 km (0.097 R)
• M17: 15,584,358 km (0.09 R)
• M18: 18,997,882 km (0.049 R)
• M19: 21,198,168 km (0.104 R)
• M20: 22,731,396 km (0.084 R)
• M21: 23,716,947 km (0.063 R)
• M22: 26,511,884 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.4

Radius: 6.5

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.6 AU - 6.02 AU

Year: 9844 Days

Day: 19.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,355,843 km

• M1: 81,381 km (0.119 R)
• M2: 1,115,402 km (0.079 R)
• M3: 1,542,354 km (0.077 R)
• M4: 2,234,244 km (0.073 R)
• M5: 2,912,671 km (0.116 R)
• M6: 3,154,122 km (0.097 R)
• M7: 3,388,990 km (0.088 R)
• M8: 4,471,780 km (0.114 R)
• M9: 4,794,163 km (0.078 R)
• M10: 5,402,578 km (0.053 R)
• M11: 5,654,052 km (0.069 R)
• M12: 6,612,675 km (0.108 R)
• M13: 8,506,584 km (0.118 R)
• M14: 9,516,519 km (0.05 R)
• M15: 10,604,245 km (0.036 R)
• M16: 10,910,771 km (0.118 R)
• M17: 11,587,552 km (0.091 R)
• M18: 12,532,711 km (0.089 R)
• M19: 13,274,717 km (0.112 R)
• M20: 14,045,594 km (0.113 R)
• M21: 18,352,966 km (0.1 R)
• M22: 19,244,120 km (0.114 R)
• M23: 25,594,999 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 18,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit