🌌 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: 798.5

Radius: 14.6

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.47 AU - 0.55 AU

Year: 251 Days

Day: 13.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,250,684 km

• M1: 181,612 km (0.086 R)
• M2: 640,279 km (0.047 R)
• M3: 1,184,516 km (0.101 R)
• M4: 1,641,089 km (0.053 R)
• M5: 2,242,023 km (0.062 R)
• M6: 2,792,244 km (0.1 R)
• M7: 3,920,362 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.4

Radius: 14.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.61 AU - 0.79 AU

Year: 404 Days

Day: 9.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,250,684 km

• M1: 180,415 km (0.074 R)
• M2: 758,162 km (0.088 R)
• M3: 1,530,386 km (0.059 R)
• M4: 2,105,740 km (0.104 R)
• M5: 2,571,288 km (0.066 R)
• M6: 3,128,091 km (0.099 R)
• M7: 3,643,157 km (0.107 R)
• M8: 4,255,162 km (0.03 R)
• M9: 5,055,660 km (0.063 R)
• M10: 5,573,119 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.5

Radius: 9.5

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.59 AU - 0.97 AU

Year: 476 Days

Day: 10.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,250,684 km

• M1: 118,182 km (0.115 R)
• M2: 544,237 km (0.09 R)
• M3: 871,557 km (0.114 R)
• M4: 1,219,223 km (0.108 R)
• M5: 1,531,882 km (0.082 R)
• M6: 2,615,420 km (0.112 R)
• M7: 2,931,071 km (0.095 R)
• M8: 3,319,876 km (0.091 R)
• M9: 3,704,193 km (0.058 R)
• M10: 4,244,092 km (0.107 R)
• M11: 4,577,545 km (0.097 R)
• M12: 5,151,253 km (0.087 R)
• M13: 5,447,158 km (0.109 R)
• M14: 6,182,431 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950

Radius: 14.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.73 AU - 1.01 AU

Year: 560 Days

Day: 8.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,250,684 km

• M1: 182,809 km (0.052 R)
• M2: 740,958 km (0.107 R)
• M3: 1,251,237 km (0.113 R)
• M4: 1,760,468 km (0.05 R)
• M5: 2,704,430 km (0.115 R)
• M6: 3,795,597 km (0.118 R)
• M7: 4,489,881 km (0.072 R)
• M8: 5,215,431 km (0.087 R)
• M9: 6,330,084 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.4

Radius: 11.8

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.94 AU - 0.96 AU

Year: 639 Days

Day: 9.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,250,684 km

• M1: 146,756 km (0.057 R)
• M2: 534,812 km (0.117 R)
• M3: 1,170,603 km (0.102 R)
• M4: 1,671,756 km (0.059 R)
• M5: 2,132,518 km (0.083 R)
• M6: 2,591,334 km (0.076 R)
• M7: 3,575,389 km (0.069 R)
• M8: 3,963,745 km (0.115 R)
• M9: 4,442,159 km (0.084 R)
• M10: 4,809,721 km (0.119 R)
• M11: 5,661,382 km (0.12 R)
• M12: 6,734,148 km (0.042 R)
• M13: 7,286,314 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.7

Radius: 12.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2 AU - 2.38 AU

Year: 2237 Days

Day: 12.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,250,684 km

• M1: 160,519 km (0.11 R)
• M2: 784,790 km (0.102 R)
• M3: 1,606,681 km (0.08 R)
• M4: 2,219,733 km (0.083 R)
• M5: 2,659,701 km (0.12 R)
• M6: 3,826,414 km (0.08 R)
• M7: 4,604,922 km (0.105 R)
• M8: 5,212,738 km (0.115 R)
• M9: 6,634,815 km (0.103 R)
• M10: 7,659,112 km (0.06 R)
• M11: 8,568,368 km (0.11 R)
• M12: 9,404,021 km (0.092 R)
• M13: 9,930,905 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.9

Radius: 10.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.81 AU - 2.97 AU

Year: 2550 Days

Day: 5.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,250,684 km

• M1: 128,056 km (0.052 R)
• M2: 488,138 km (0.077 R)
• M3: 1,433,297 km (0.043 R)
• M4: 1,762,413 km (0.108 R)
• M5: 2,605,845 km (0.118 R)
• M6: 3,135,123 km (0.113 R)
• M7: 3,845,114 km (0.057 R)
• M8: 4,228,683 km (0.089 R)
• M9: 5,140,781 km (0.074 R)
• M10: 6,386,782 km (0.106 R)
• M11: 7,151,377 km (0.074 R)
• M12: 7,526,418 km (0.107 R)
• M13: 8,036,846 km (0.119 R)
• M14: 9,777,717 km (0.112 R)
• M15: 10,792,589 km (0.036 R)
• M16: 11,364,501 km (0.105 R)
• M17: 14,169,013 km (0.11 R)
• M18: 14,901,444 km (0.099 R)
• M19: 16,995,066 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 18,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit