🌌 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: 628.8

Radius: 10.5

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.45 AU - 0.75 AU

Year: 327 Days

Day: 11.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,644,650 km

• M1: 132,544 km (0.104 R)
• M2: 496,067 km (0.073 R)
• M3: 888,312 km (0.111 R)
• M4: 1,277,267 km (0.112 R)
• M5: 1,631,814 km (0.107 R)
• M6: 2,029,744 km (0.095 R)
• M7: 2,874,822 km (0.111 R)
• M8: 3,211,118 km (0.099 R)
• M9: 3,677,415 km (0.055 R)
• M10: 4,343,275 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.4

Radius: 12.7

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.47 AU - 0.79 AU

Year: 351 Days

Day: 14.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,644,650 km

• M1: 158,275 km (0.117 R)
• M2: 581,188 km (0.101 R)
• M3: 1,118,992 km (0.094 R)
• M4: 1,986,809 km (0.05 R)
• M5: 2,787,756 km (0.094 R)
• M6: 3,326,757 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.3

Radius: 13

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.87 AU - 1.13 AU

Year: 703 Days

Day: 12.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,644,650 km

• M1: 170,093 km (0.039 R)
• M2: 1,012,030 km (0.049 R)
• M3: 1,438,683 km (0.077 R)
• M4: 1,854,714 km (0.108 R)
• M5: 2,609,585 km (0.119 R)
• M6: 3,499,094 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.1

Radius: 13.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.84 AU - 1.36 AU

Year: 811 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,644,650 km

• M1: 167,849 km (0.107 R)
• M2: 710,141 km (0.071 R)
• M3: 1,171,202 km (0.086 R)
• M4: 1,735,634 km (0.066 R)
• M5: 3,122,257 km (0.05 R)
• M6: 3,682,501 km (0.07 R)
• M7: 4,166,002 km (0.079 R)
• M8: 4,847,719 km (0.111 R)
• M9: 5,317,756 km (0.099 R)
• M10: 6,080,256 km (0.103 R)
• M11: 6,737,439 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.1

Radius: 14.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.06 AU - 4.6 AU

Year: 5269 Days

Day: 9.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,644,650 km

• M1: 180,565 km (0.028 R)
• M2: 808,726 km (0.11 R)
• M3: 1,268,440 km (0.113 R)
• M4: 2,010,446 km (0.068 R)
• M5: 2,953,212 km (0.062 R)
• M6: 3,636,724 km (0.098 R)
• M7: 4,101,226 km (0.093 R)
• M8: 4,711,136 km (0.106 R)
• M9: 5,352,313 km (0.105 R)
• M10: 6,673,711 km (0.064 R)
• M11: 8,009,769 km (0.089 R)
• M12: 10,967,618 km (0.075 R)
• M13: 11,597,276 km (0.096 R)
• M14: 12,508,925 km (0.066 R)
• M15: 17,342,582 km (0.088 R)
• M16: 19,852,086 km (0.116 R)
• M17: 22,984,067 km (0.072 R)
• M18: 27,213,498 km (0.113 R)
• M19: 29,096,786 km (0.1 R)
• M20: 30,399,783 km (0.116 R)
• M21: 31,838,466 km (0.055 R)
• M22: 32,525,270 km (0.085 R)
• M23: 33,221,947 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.1

Radius: 14.5

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.61 AU - 4.19 AU

Year: 5414 Days

Day: 11.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,644,650 km

• M1: 180,415 km (0.1 R)
• M2: 632,350 km (0.11 R)
• M3: 1,254,977 km (0.071 R)
• M4: 1,788,293 km (0.062 R)
• M5: 2,710,265 km (0.106 R)
• M6: 3,516,148 km (0.076 R)
• M7: 4,913,392 km (0.096 R)
• M8: 7,470,170 km (0.104 R)
• M9: 9,137,737 km (0.04 R)
• M10: 9,759,615 km (0.078 R)
• M11: 10,233,542 km (0.105 R)
• M12: 15,449,720 km (0.104 R)
• M13: 16,333,844 km (0.102 R)
• M14: 18,074,265 km (0.098 R)
• M15: 18,856,812 km (0.079 R)
• M16: 20,211,271 km (0.094 R)
• M17: 22,512,086 km (0.09 R)
• M18: 23,037,922 km (0.092 R)
• M19: 24,823,223 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337

Radius: 14.2

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.91 AU - 4.91 AU

Year: 7648 Days

Day: 14 Hours

Environment

Temp: -233 °C

Axial Tilt: 140.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,644,650 km

• M1: 176,825 km (0.065 R)
• M2: 680,222 km (0.093 R)
• M3: 1,188,555 km (0.049 R)
• M4: 1,809,685 km (0.088 R)
• M5: 3,924,251 km (0.092 R)
• M6: 6,190,210 km (0.119 R)
• M7: 7,110,536 km (0.12 R)
• M8: 8,120,322 km (0.109 R)
• M9: 10,970,161 km (0.032 R)
• M10: 12,118,774 km (0.05 R)
• M11: 15,869,043 km (0.073 R)
• M12: 17,527,036 km (0.119 R)
• M13: 18,039,858 km (0.091 R)
• M14: 19,433,811 km (0.118 R)
• M15: 20,543,228 km (0.089 R)
• M16: 24,125,349 km (0.081 R)
• M17: 25,898,533 km (0.117 R)
• M18: 30,895,401 km (0.113 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: 320 - 11,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit