🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.8

Radius: 10.9

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.63 AU - 0.89 AU

Year: 435 Days

Day: 6.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,618,543 km

• M1: 135,835 km (0.105 R)
• M2: 495,767 km (0.111 R)
• M3: 966,552 km (0.096 R)
• M4: 1,457,382 km (0.109 R)
• M5: 1,871,021 km (0.116 R)
• M6: 2,270,746 km (0.108 R)
• M7: 2,615,270 km (0.119 R)
• M8: 3,084,558 km (0.082 R)
• M9: 3,609,348 km (0.114 R)
• M10: 3,960,454 km (0.059 R)
• M11: 4,305,876 km (0.077 R)
• M12: 4,963,209 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.7

Radius: 13.3

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.13 AU - 1.37 AU

Year: 917 Days

Day: 9.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,618,543 km

• M1: 165,455 km (0.058 R)
• M2: 734,675 km (0.081 R)
• M3: 1,411,007 km (0.074 R)
• M4: 1,950,457 km (0.118 R)
• M5: 2,395,660 km (0.106 R)
• M6: 3,045,962 km (0.093 R)
• M7: 3,510,464 km (0.091 R)
• M8: 4,006,979 km (0.113 R)
• M9: 4,434,679 km (0.081 R)
• M10: 5,143,025 km (0.061 R)
• M11: 5,727,654 km (0.11 R)
• M12: 6,655,160 km (0.099 R)
• M13: 7,121,307 km (0.075 R)
• M14: 7,632,783 km (0.119 R)
• M15: 8,446,296 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.5

Radius: 10.2

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.09 AU - 3.25 AU

Year: 2862 Days

Day: 14 Hours

Environment

Temp: -198 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,618,543 km

• M1: 296,952 km (0.107 R)
• M2: 2,921,347 km (0.118 R)
• M3: 4,650,549 km (0.058 R)
• M4: 6,801,617 km (0.076 R)
• M5: 8,021,438 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 13.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.19 AU - 5.81 AU

Year: 7334 Days

Day: 11.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,618,543 km

• M1: 169,195 km (0.076 R)
• M2: 680,222 km (0.114 R)
• M3: 1,631,066 km (0.046 R)
• M4: 2,252,794 km (0.096 R)
• M5: 2,988,816 km (0.113 R)
• M6: 4,744,048 km (0.093 R)
• M7: 5,925,572 km (0.076 R)
• M8: 6,961,537 km (0.101 R)
• M9: 9,391,904 km (0.087 R)
• M10: 11,096,572 km (0.037 R)
• M11: 11,708,128 km (0.1 R)
• M12: 13,110,907 km (0.095 R)
• M13: 17,171,891 km (0.055 R)
• M14: 18,907,824 km (0.103 R)
• M15: 20,153,526 km (0.057 R)
• M16: 22,004,201 km (0.078 R)
• M17: 22,484,111 km (0.083 R)
• M18: 22,970,903 km (0.088 R)
• M19: 23,630,928 km (0.042 R)
• M20: 26,219,720 km (0.113 R)
• M21: 28,234,504 km (0.114 R)
• M22: 28,896,624 km (0.067 R)
• M23: 30,845,884 km (0.042 R)
• M24: 31,649,524 km (0.056 R)
• M25: 33,614,342 km (0.09 R)
• M26: 35,769,150 km (0.069 R)
• M27: 36,992,711 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.4

Radius: 8.4

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.35 AU - 6.49 AU

Year: 8278 Days

Day: 7.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,618,543 km

• M1: 122,072 km (0.045 R)
• M2: 417,528 km (0.108 R)
• M3: 1,056,909 km (0.082 R)
• M4: 1,367,175 km (0.117 R)
• M5: 2,126,235 km (0.07 R)
• M6: 3,526,919 km (0.082 R)
• M7: 4,177,969 km (0.113 R)
• M8: 7,328,201 km (0.054 R)
• M9: 9,175,436 km (0.086 R)
• M10: 10,158,144 km (0.096 R)
• M11: 13,585,731 km (0.097 R)
• M12: 16,212,520 km (0.084 R)
• M13: 16,546,272 km (0.1 R)
• M14: 22,612,317 km (0.119 R)
• M15: 24,835,939 km (0.068 R)
• M16: 27,767,758 km (0.087 R)
• M17: 28,826,762 km (0.101 R)
• M18: 34,859,296 km (0.115 R)
• M19: 35,192,450 km (0.089 R)
• M20: 36,091,085 km (0.096 R)
• M21: 40,203,381 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.7

Radius: 8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.3 AU - 5.78 AU

Year: 8554 Days

Day: 5.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 86 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 31,618,543 km

• M1: 100,829 km (0.078 R)
• M2: 435,031 km (0.091 R)
• M3: 836,850 km (0.067 R)
• M4: 1,113,008 km (0.113 R)
• M5: 1,870,273 km (0.113 R)
• M6: 2,553,336 km (0.057 R)
• M7: 3,392,880 km (0.073 R)
• M8: 3,784,976 km (0.094 R)
• M9: 4,231,525 km (0.099 R)
• M10: 4,608,512 km (0.094 R)
• M11: 5,372,060 km (0.078 R)
• M12: 6,313,030 km (0.093 R)
• M13: 6,705,425 km (0.118 R)
• M14: 7,010,306 km (0.078 R)
• M15: 8,018,296 km (0.088 R)
• M16: 8,284,730 km (0.066 R)
• M17: 10,956,997 km (0.116 R)
• M18: 11,668,933 km (0.078 R)
• M19: 14,827,991 km (0.11 R)
• M20: 15,580,618 km (0.093 R)
• M21: 18,383,484 km (0.078 R)
• M22: 19,524,467 km (0.108 R)
• M23: 21,652,197 km (0.11 R)
• M24: 22,394,502 km (0.095 R)
• M25: 23,929,675 km (0.098 R)
• M26: 24,403,751 km (0.093 R)
• M27: 24,803,477 km (0.107 R)
• M28: 26,112,009 km (0.071 R)
• M29: 27,037,870 km (0.03 R)
• M30: 28,423,595 km (0.113 R)
• M31: 30,868,174 km (0.057 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 12,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit