🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.3

Radius: 13.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.75 AU - 0.93 AU

Year: 531 Days

Day: 8.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,401,392 km

• M1: 172,935 km (0.101 R)
• M2: 620,831 km (0.116 R)
• M3: 1,077,105 km (0.032 R)
• M4: 1,566,439 km (0.054 R)
• M5: 2,151,367 km (0.107 R)
• M6: 3,111,037 km (0.056 R)
• M7: 3,770,166 km (0.081 R)
• M8: 4,614,047 km (0.025 R)
• M9: 6,207,564 km (0.102 R)
• M10: 6,658,003 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 12.5

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.84 AU - 1.04 AU

Year: 629 Days

Day: 13.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,401,392 km

• M1: 156,779 km (0.117 R)
• M2: 558,150 km (0.066 R)
• M3: 1,076,805 km (0.085 R)
• M4: 1,528,741 km (0.065 R)
• M5: 1,993,691 km (0.032 R)
• M6: 2,594,925 km (0.083 R)
• M7: 3,096,227 km (0.105 R)
• M8: 4,062,480 km (0.047 R)
• M9: 4,600,583 km (0.116 R)
• M10: 5,220,068 km (0.094 R)
• M11: 5,621,589 km (0.075 R)
• M12: 6,176,447 km (0.072 R)
• M13: 6,726,967 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.4

Radius: 12.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.96 AU - 1.42 AU

Year: 896 Days

Day: 9.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,401,392 km

• M1: 156,779 km (0.12 R)
• M2: 644,767 km (0.101 R)
• M3: 1,076,656 km (0.094 R)
• M4: 1,565,542 km (0.066 R)
• M5: 1,995,636 km (0.102 R)
• M6: 2,640,552 km (0.037 R)
• M7: 3,054,041 km (0.106 R)
• M8: 3,668,738 km (0.074 R)
• M9: 4,980,263 km (0.056 R)
• M10: 5,527,941 km (0.101 R)
• M11: 5,983,466 km (0.112 R)
• M12: 6,385,436 km (0.112 R)
• M13: 7,244,127 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.4

Radius: 10.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.65 AU - 1.67 AU

Year: 1476 Days

Day: 14.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,401,392 km

• M1: 129,402 km (0.101 R)
• M2: 603,627 km (0.061 R)
• M3: 1,016,518 km (0.084 R)
• M4: 1,546,992 km (0.102 R)
• M5: 2,142,242 km (0.08 R)
• M6: 2,898,160 km (0.106 R)
• M7: 4,254,863 km (0.12 R)
• M8: 5,155,143 km (0.103 R)
• M9: 6,154,756 km (0.089 R)
• M10: 6,749,706 km (0.071 R)
• M11: 10,815,926 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.2

Radius: 8.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.24 AU - 3.92 AU

Year: 4676 Days

Day: 13.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,401,392 km

• M1: 105,766 km (0.083 R)
• M2: 556,504 km (0.113 R)
• M3: 1,015,022 km (0.092 R)
• M4: 1,303,745 km (0.06 R)
• M5: 1,637,498 km (0.113 R)
• M6: 3,324,962 km (0.097 R)
• M7: 5,013,025 km (0.11 R)
• M8: 6,196,793 km (0.04 R)
• M9: 7,207,177 km (0.085 R)
• M10: 7,949,332 km (0.094 R)
• M11: 10,009,444 km (0.107 R)
• M12: 10,482,622 km (0.066 R)
• M13: 11,592,189 km (0.114 R)
• M14: 12,905,360 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.3

Radius: 5.9

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.51 AU - 8.25 AU

Year: 15269 Days

Day: 24.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 53,401,392 km

• M1: 73,453 km (0.091 R)
• M2: 257,009 km (0.055 R)
• M3: 792,270 km (0.064 R)
• M4: 1,282,054 km (0.076 R)
• M5: 1,724,415 km (0.06 R)
• M6: 1,989,801 km (0.119 R)
• M7: 2,582,209 km (0.083 R)
• M8: 2,885,593 km (0.1 R)
• M9: 4,196,071 km (0.093 R)
• M10: 4,402,665 km (0.079 R)
• M11: 5,574,765 km (0.106 R)
• M12: 9,388,613 km (0.111 R)
• M13: 11,250,059 km (0.086 R)
• M14: 12,417,521 km (0.109 R)
• M15: 12,844,473 km (0.075 R)
• M16: 14,250,544 km (0.077 R)
• M17: 19,730,164 km (0.105 R)
• M18: 20,144,251 km (0.107 R)
• M19: 22,933,054 km (0.055 R)
• M20: 23,390,824 km (0.062 R)
• M21: 26,666,868 km (0.063 R)
• M22: 27,377,308 km (0.109 R)
• M23: 28,414,021 km (0.078 R)
• M24: 29,048,466 km (0.118 R)
• M25: 29,369,353 km (0.119 R)
• M26: 30,345,778 km (0.061 R)
• M27: 32,020,975 km (0.05 R)
• M28: 34,230,237 km (0.07 R)
• M29: 36,912,676 km (0.086 R)
• M30: 38,049,470 km (0.115 R)
• M31: 42,968,099 km (0.096 R)
• M32: 44,366,839 km (0.089 R)
• M33: 45,220,295 km (0.093 R)
• M34: 46,521,198 km (0.08 R)
• M35: 47,995,634 km (0.072 R)
• M36: 51,504,602 km (0.095 R)
• M37: 52,289,393 km (0.099 R)
• M38: 53,082,112 km (0.112 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: 423 - 18,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit