🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.9

Radius: 14.5

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.55 AU - 0.57 AU

Year: 284 Days

Day: 5.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 39,368,693 km

• M1: 180,415 km (0.053 R)
• M2: 873,203 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.6

Radius: 11.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.43 AU - 1.89 AU

Year: 1451 Days

Day: 7.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,368,693 km

• M1: 147,653 km (0.072 R)
• M2: 618,886 km (0.068 R)
• M3: 1,063,940 km (0.11 R)
• M4: 1,455,737 km (0.074 R)
• M5: 1,966,763 km (0.111 R)
• M6: 2,336,569 km (0.094 R)
• M7: 4,405,059 km (0.026 R)
• M8: 4,806,430 km (0.088 R)
• M9: 5,816,964 km (0.071 R)
• M10: 6,324,998 km (0.063 R)
• M11: 8,057,790 km (0.109 R)
• M12: 9,201,765 km (0.07 R)
• M13: 12,325,518 km (0.096 R)
• M14: 12,817,695 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.8

Radius: 12.5

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.38 AU - 2.2 AU

Year: 1624 Days

Day: 9.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,368,693 km

• M1: 155,881 km (0.08 R)
• M2: 771,775 km (0.074 R)
• M3: 1,221,766 km (0.106 R)
• M4: 1,683,126 km (0.105 R)
• M5: 3,356,527 km (0.063 R)
• M6: 3,746,529 km (0.029 R)
• M7: 4,848,617 km (0.068 R)
• M8: 6,391,120 km (0.075 R)
• M9: 7,759,492 km (0.114 R)
• M10: 8,368,954 km (0.085 R)
• M11: 9,540,604 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.4

Radius: 12.4

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.01 AU - 3.15 AU

Year: 2811 Days

Day: 13.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,368,693 km

• M1: 154,535 km (0.07 R)
• M2: 653,892 km (0.047 R)
• M3: 1,130,062 km (0.086 R)
• M4: 1,735,784 km (0.099 R)
• M5: 2,236,039 km (0.102 R)
• M6: 3,274,398 km (0.044 R)
• M7: 3,704,492 km (0.109 R)
• M8: 4,543,287 km (0.105 R)
• M9: 6,684,930 km (0.088 R)
• M10: 7,894,878 km (0.11 R)
• M11: 9,541,053 km (0.088 R)
• M12: 10,189,560 km (0.11 R)
• M13: 12,490,973 km (0.104 R)
• M14: 13,454,832 km (0.103 R)
• M15: 14,221,970 km (0.117 R)
• M16: 14,916,852 km (0.108 R)
• M17: 15,530,503 km (0.091 R)
• M18: 15,948,928 km (0.117 R)
• M19: 16,972,776 km (0.078 R)
• M20: 18,560,907 km (0.115 R)
• M21: 18,973,049 km (0.045 R)
• M22: 21,062,183 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455

Radius: 5.3

Gravity: 16.2 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.03 AU - 6.29 AU

Year: 9133 Days

Day: 24.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,368,693 km

• M1: 78,240 km (0.112 R)
• M2: 269,426 km (0.068 R)
• M3: 445,652 km (0.099 R)
• M4: 1,014,573 km (0.104 R)
• M5: 1,271,133 km (0.067 R)
• M6: 1,440,179 km (0.087 R)
• M7: 1,945,820 km (0.116 R)
• M8: 3,891,489 km (0.105 R)
• M9: 5,279,458 km (0.097 R)
• M10: 6,220,429 km (0.054 R)
• M11: 6,393,215 km (0.097 R)
• M12: 7,974,763 km (0.092 R)
• M13: 8,683,259 km (0.117 R)
• M14: 9,119,187 km (0.036 R)
• M15: 9,893,506 km (0.111 R)
• M16: 12,588,212 km (0.084 R)
• M17: 12,809,617 km (0.095 R)
• M18: 13,779,161 km (0.07 R)
• M19: 14,981,479 km (0.117 R)
• M20: 15,799,480 km (0.116 R)
• M21: 16,186,789 km (0.074 R)
• M22: 21,499,159 km (0.094 R)
• M23: 22,135,099 km (0.108 R)
• M24: 22,538,714 km (0.046 R)
• M25: 24,803,925 km (0.11 R)
• M26: 26,305,589 km (0.071 R)
• M27: 28,432,123 km (0.055 R)
• M28: 30,970,948 km (0.074 R)
• M29: 32,398,560 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 14,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit