🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.6

Radius: 13.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.32 AU - 1.54 AU

Year: 1180 Days

Day: 5.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,985,870 km

• M1: 162,912 km (0.067 R)
• M2: 676,033 km (0.09 R)
• M3: 1,196,035 km (0.114 R)
• M4: 1,626,278 km (0.028 R)
• M5: 2,396,558 km (0.098 R)
• M6: 3,897,174 km (0.045 R)
• M7: 4,320,536 km (0.095 R)
• M8: 5,200,770 km (0.088 R)
• M9: 6,197,241 km (0.115 R)
• M10: 6,945,829 km (0.069 R)
• M11: 7,806,466 km (0.104 R)
• M12: 9,258,762 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.5

Radius: 12.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.59 AU - 2.25 AU

Year: 1836 Days

Day: 11.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,985,870 km

• M1: 150,495 km (0.03 R)
• M2: 586,723 km (0.11 R)
• M3: 1,428,360 km (0.101 R)
• M4: 2,102,897 km (0.072 R)
• M5: 2,705,477 km (0.06 R)
• M6: 3,904,654 km (0.097 R)
• M7: 4,493,322 km (0.107 R)
• M8: 5,544,396 km (0.109 R)
• M9: 6,165,377 km (0.034 R)
• M10: 6,832,135 km (0.095 R)
• M11: 7,603,461 km (0.115 R)
• M12: 9,551,076 km (0.07 R)
• M13: 10,163,979 km (0.05 R)
• M14: 14,189,059 km (0.086 R)
• M15: 14,584,745 km (0.064 R)
• M16: 15,398,109 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.5

Radius: 8.4

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.95 AU - 4.93 AU

Year: 6458 Days

Day: 7.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 39,985,870 km

• M1: 104,719 km (0.113 R)
• M2: 366,066 km (0.093 R)
• M3: 756,666 km (0.074 R)
• M4: 1,346,082 km (0.064 R)
• M5: 1,659,340 km (0.118 R)
• M6: 2,229,906 km (0.106 R)
• M7: 2,543,014 km (0.103 R)
• M8: 3,640,315 km (0.117 R)
• M9: 3,952,226 km (0.069 R)
• M10: 4,360,479 km (0.064 R)
• M11: 5,443,717 km (0.114 R)
• M12: 6,556,426 km (0.12 R)
• M13: 7,542,725 km (0.107 R)
• M14: 7,813,946 km (0.08 R)
• M15: 8,835,998 km (0.113 R)
• M16: 9,535,368 km (0.089 R)
• M17: 9,807,038 km (0.082 R)
• M18: 11,243,477 km (0.109 R)
• M19: 13,825,386 km (0.098 R)
• M20: 14,409,267 km (0.1 R)
• M21: 17,108,461 km (0.06 R)
• M22: 18,682,380 km (0.036 R)
• M23: 20,201,696 km (0.113 R)
• M24: 20,953,276 km (0.108 R)
• M25: 23,402,193 km (0.093 R)
• M26: 24,823,074 km (0.081 R)
• M27: 25,947,751 km (0.075 R)
• M28: 27,378,355 km (0.074 R)
• M29: 29,621,426 km (0.068 R)
• M30: 31,183,227 km (0.069 R)
• M31: 31,782,816 km (0.109 R)
• M32: 32,085,452 km (0.039 R)
• M33: 32,696,559 km (0.12 R)
• M34: 35,760,025 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.9

Radius: 11.6

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.1 AU - 6.12 AU

Year: 7973 Days

Day: 8.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,985,870 km

• M1: 153,338 km (0.104 R)
• M2: 940,372 km (0.06 R)
• M3: 1,635,254 km (0.046 R)
• M4: 2,106,039 km (0.099 R)
• M5: 3,242,384 km (0.059 R)
• M6: 3,876,230 km (0.09 R)
• M7: 4,939,422 km (0.039 R)
• M8: 6,989,063 km (0.109 R)
• M9: 8,164,304 km (0.117 R)
• M10: 9,128,911 km (0.116 R)
• M11: 9,945,266 km (0.057 R)
• M12: 13,323,635 km (0.076 R)
• M13: 21,565,131 km (0.082 R)
• M14: 25,093,846 km (0.096 R)
• M15: 28,359,119 km (0.092 R)
• M16: 32,091,735 km (0.12 R)
• M17: 33,471,925 km (0.031 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.5

Radius: 5.3

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.53 AU - 6.87 AU

Year: 11971 Days

Day: 19.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,985,870 km

• M1: 65,973 km (0.062 R)
• M2: 255,214 km (0.098 R)
• M3: 834,307 km (0.097 R)
• M4: 1,325,587 km (0.117 R)
• M5: 2,489,009 km (0.094 R)
• M6: 2,797,181 km (0.108 R)
• M7: 3,951,628 km (0.09 R)
• M8: 5,908,667 km (0.113 R)
• M9: 10,287,397 km (0.093 R)
• M10: 14,053,972 km (0.102 R)
• M11: 17,589,867 km (0.066 R)
• M12: 18,078,454 km (0.109 R)
• M13: 19,229,460 km (0.056 R)
• M14: 19,747,966 km (0.092 R)
• M15: 37,868,756 km (0.059 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 14,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit