🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992

Radius: 9.7

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.39 AU - 0.63 AU

Year: 256 Days

Day: 6.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,332,322 km

• M1: 120,576 km (0.058 R)
• M2: 573,259 km (0.051 R)
• M3: 896,839 km (0.089 R)
• M4: 1,203,964 km (0.1 R)
• M5: 1,519,765 km (0.1 R)
• M6: 1,855,313 km (0.111 R)
• M7: 2,257,282 km (0.109 R)
• M8: 2,939,449 km (0.04 R)
• M9: 3,400,360 km (0.119 R)
• M10: 3,765,229 km (0.087 R)
• M11: 4,219,857 km (0.075 R)
• M12: 4,601,331 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.2

Radius: 12.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.63 AU - 0.77 AU

Year: 412 Days

Day: 9.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 13,332,322 km

• M1: 158,424 km (0.089 R)
• M2: 710,889 km (0.094 R)
• M3: 1,818,811 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700

Radius: 13.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.58 AU - 0.82 AU

Year: 412 Days

Day: 10.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,332,322 km

• M1: 170,242 km (0.059 R)
• M2: 658,231 km (0.105 R)
• M3: 1,225,805 km (0.047 R)
• M4: 1,879,847 km (0.115 R)
• M5: 2,405,683 km (0.034 R)
• M6: 2,944,834 km (0.055 R)
• M7: 3,528,116 km (0.105 R)
• M8: 4,055,000 km (0.11 R)
• M9: 4,974,578 km (0.11 R)
• M10: 5,443,867 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.7

Radius: 11.7

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.64 AU - 0.94 AU

Year: 494 Days

Day: 5 Hours

Environment

Temp: -158 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,332,322 km

• M1: 145,559 km (0.053 R)
• M2: 627,713 km (0.104 R)
• M3: 1,028,336 km (0.077 R)
• M4: 1,455,288 km (0.048 R)
• M5: 1,932,206 km (0.109 R)
• M6: 2,351,529 km (0.104 R)
• M7: 2,716,697 km (0.073 R)
• M8: 3,366,999 km (0.113 R)
• M9: 3,746,080 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.7

Radius: 11.8

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.66 AU - 1.02 AU

Year: 541 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,332,322 km

• M1: 146,756 km (0.109 R)
• M2: 555,756 km (0.108 R)
• M3: 1,005,746 km (0.055 R)
• M4: 1,382,584 km (0.1 R)
• M5: 2,075,222 km (0.057 R)
• M6: 2,644,292 km (0.08 R)
• M7: 3,029,955 km (0.059 R)
• M8: 3,728,727 km (0.064 R)
• M9: 4,476,267 km (0.091 R)
• M10: 4,878,835 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.2

Radius: 10.3

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.73 AU - 2.61 AU

Year: 2247 Days

Day: 9.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,332,322 km

• M1: 128,205 km (0.068 R)
• M2: 1,457,083 km (0.027 R)
• M3: 2,377,110 km (0.116 R)
• M4: 2,871,382 km (0.086 R)
• M5: 4,622,125 km (0.104 R)
• M6: 5,338,998 km (0.045 R)
• M7: 6,970,962 km (0.102 R)
• M8: 8,136,927 km (0.061 R)
• M9: 8,859,036 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.1

Radius: 11.4

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.68 AU - 3.66 AU

Year: 3967 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 13,332,322 km

• M1: 142,866 km (0.081 R)
• M2: 527,781 km (0.093 R)
• M3: 925,712 km (0.113 R)
• M4: 1,300,604 km (0.071 R)
• M5: 2,210,309 km (0.095 R)
• M6: 3,248,518 km (0.028 R)
• M7: 3,770,914 km (0.079 R)
• M8: 4,442,758 km (0.077 R)
• M9: 5,219,171 km (0.063 R)
• M10: 5,996,182 km (0.113 R)
• M11: 6,473,848 km (0.095 R)
• M12: 7,106,647 km (0.095 R)
• M13: 8,495,962 km (0.08 R)
• M14: 9,976,233 km (0.099 R)
• M15: 10,821,162 km (0.05 R)
• M16: 16,286,271 km (0.106 R)
• M17: 16,923,558 km (0.075 R)
• M18: 18,935,201 km (0.071 R)
• M19: 21,928,953 km (0.082 R)
• M20: 25,071,855 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.1

Radius: 9.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.44 AU - 4.22 AU

Year: 5269 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,332,322 km

• M1: 113,246 km (0.083 R)
• M2: 499,358 km (0.103 R)
• M3: 827,127 km (0.108 R)
• M4: 1,216,380 km (0.082 R)
• M5: 2,336,569 km (0.076 R)
• M6: 4,884,520 km (0.104 R)
• M7: 5,893,259 km (0.118 R)
• M8: 6,338,163 km (0.096 R)
• M9: 6,881,352 km (0.083 R)
• M10: 10,541,564 km (0.116 R)
• M11: 11,482,833 km (0.118 R)
• M12: 12,252,664 km (0.114 R)
• M13: 12,707,890 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 18,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit