🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 14.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.63 AU - 0.69 AU

Year: 364 Days

Day: 10.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,747,794 km

• M1: 176,675 km (0.116 R)
• M2: 724,054 km (0.104 R)
• M3: 1,346,082 km (0.111 R)
• M4: 1,809,237 km (0.093 R)
• M5: 2,841,612 km (0.046 R)
• M6: 3,316,734 km (0.101 R)
• M7: 4,471,480 km (0.099 R)
• M8: 4,921,471 km (0.049 R)
• M9: 5,433,843 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.4

Radius: 11.7

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.58 AU - 0.76 AU

Year: 372 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,747,794 km

• M1: 145,559 km (0.1 R)
• M2: 560,842 km (0.095 R)
• M3: 926,460 km (0.073 R)
• M4: 1,293,423 km (0.094 R)
• M5: 1,745,508 km (0.119 R)
• M6: 2,275,982 km (0.092 R)
• M7: 3,396,470 km (0.108 R)
• M8: 4,026,427 km (0.112 R)
• M9: 4,629,456 km (0.049 R)
• M10: 5,132,254 km (0.1 R)
• M11: 5,637,596 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.5

Radius: 8.8

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.61 AU - 0.95 AU

Year: 467 Days

Day: 5.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,747,794 km

• M1: 109,506 km (0.113 R)
• M2: 505,342 km (0.107 R)
• M3: 980,464 km (0.098 R)
• M4: 1,655,600 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.7

Radius: 12.5

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.7 AU - 2.86 AU

Year: 3144 Days

Day: 14.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,747,794 km

• M1: 155,432 km (0.079 R)
• M2: 595,998 km (0.068 R)
• M3: 1,134,700 km (0.062 R)
• M4: 1,647,222 km (0.091 R)
• M5: 2,236,638 km (0.055 R)
• M6: 2,667,031 km (0.045 R)
• M7: 3,088,897 km (0.113 R)
• M8: 4,528,477 km (0.066 R)
• M9: 5,066,431 km (0.102 R)
• M10: 7,452,816 km (0.119 R)
• M11: 9,040,349 km (0.025 R)
• M12: 12,664,806 km (0.077 R)
• M13: 13,517,514 km (0.036 R)
• M14: 13,957,930 km (0.063 R)
• M15: 14,499,175 km (0.088 R)
• M16: 15,527,810 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.8

Radius: 3.1

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.53 AU - 10.81 AU

Year: 20395 Days

Day: 17.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,747,794 km

• M1: 63,280 km (0.071 R)
• M2: 196,871 km (0.103 R)
• M3: 377,286 km (0.052 R)
• M4: 771,626 km (0.107 R)
• M5: 2,892,176 km (0.079 R)
• M6: 12,249,074 km (0.091 R)
• M7: 13,800,104 km (0.111 R)
• M8: 14,966,818 km (0.098 R)
• M9: 15,093,228 km (0.114 R)
• M10: 15,541,723 km (0.068 R)
• M11: 16,803,431 km (0.026 R)
• M12: 17,354,550 km (0.107 R)
• M13: 21,877,791 km (0.054 R)
• M14: 25,834,505 km (0.05 R)
• M15: 31,365,886 km (0.076 R)
• M16: 37,519,744 km (0.065 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 18,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit