🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.2

Radius: 11.6

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.89 AU - 1.37 AU

Year: 815 Days

Day: 8.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,408,621 km

• M1: 144,512 km (0.117 R)
• M2: 578,345 km (0.118 R)
• M3: 1,089,222 km (0.092 R)
• M4: 1,508,844 km (0.117 R)
• M5: 1,913,357 km (0.078 R)
• M6: 3,006,768 km (0.105 R)
• M7: 3,378,668 km (0.116 R)
• M8: 3,739,797 km (0.105 R)
• M9: 4,572,160 km (0.1 R)
• M10: 6,047,494 km (0.114 R)
• M11: 6,873,424 km (0.103 R)
• M12: 7,457,304 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.9

Radius: 9.2

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.54 AU - 2.38 AU

Year: 1861 Days

Day: 13.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,408,621 km

• M1: 164,558 km (0.105 R)
• M2: 572,062 km (0.108 R)
• M3: 1,176,886 km (0.096 R)
• M4: 1,899,594 km (0.055 R)
• M5: 2,439,941 km (0.092 R)
• M6: 3,948,337 km (0.118 R)
• M7: 5,200,321 km (0.112 R)
• M8: 5,589,724 km (0.03 R)
• M9: 8,824,180 km (0.114 R)
• M10: 9,892,159 km (0.115 R)
• M11: 10,255,532 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.8

Radius: 8.8

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.21 AU - 3.37 AU

Year: 3161 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,408,621 km

• M1: 109,506 km (0.053 R)
• M2: 547,079 km (0.043 R)
• M3: 832,363 km (0.107 R)
• M4: 1,484,460 km (0.116 R)
• M5: 2,090,481 km (0.097 R)
• M6: 2,443,532 km (0.056 R)
• M7: 4,250,973 km (0.029 R)
• M8: 4,821,240 km (0.094 R)
• M9: 6,086,090 km (0.118 R)
• M10: 7,147,188 km (0.06 R)
• M11: 9,256,518 km (0.071 R)
• M12: 10,493,393 km (0.062 R)
• M13: 11,448,276 km (0.079 R)
• M14: 12,190,282 km (0.091 R)
• M15: 12,641,618 km (0.108 R)
• M16: 17,219,014 km (0.119 R)
• M17: 19,752,155 km (0.102 R)
• M18: 21,463,854 km (0.093 R)
• M19: 21,989,541 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.2

Radius: 14.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.71 AU - 4.83 AU

Year: 7066 Days

Day: 6.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,408,621 km

• M1: 183,407 km (0.12 R)
• M2: 644,767 km (0.113 R)
• M3: 1,150,108 km (0.048 R)
• M4: 1,700,329 km (0.082 R)
• M5: 2,169,319 km (0.049 R)
• M6: 3,050,749 km (0.097 R)
• M7: 3,540,084 km (0.12 R)
• M8: 4,239,454 km (0.113 R)
• M9: 4,736,867 km (0.108 R)
• M10: 5,397,940 km (0.1 R)
• M11: 6,051,832 km (0.113 R)
• M12: 7,055,933 km (0.105 R)
• M13: 7,961,599 km (0.099 R)
• M14: 9,395,045 km (0.113 R)
• M15: 10,491,897 km (0.114 R)
• M16: 11,356,124 km (0.094 R)
• M17: 12,322,526 km (0.096 R)
• M18: 14,419,440 km (0.084 R)
• M19: 16,340,875 km (0.09 R)
• M20: 17,155,435 km (0.109 R)
• M21: 20,221,144 km (0.045 R)
• M22: 27,988,565 km (0.061 R)
• M23: 29,750,529 km (0.113 R)
• M24: 30,658,588 km (0.096 R)
• M25: 35,930,716 km (0.111 R)
• M26: 38,128,309 km (0.117 R)
• M27: 40,169,272 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 13,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit