🌌 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: 910

Radius: 10.1

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.47 AU - 0.73 AU

Year: 315 Days

Day: 9.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,643,909 km

• M1: 125,662 km (0.066 R)
• M2: 584,030 km (0.09 R)
• M3: 1,003,054 km (0.085 R)
• M4: 1,458,430 km (0.026 R)
• M5: 1,908,719 km (0.111 R)
• M6: 2,256,385 km (0.11 R)
• M7: 2,608,388 km (0.11 R)
• M8: 3,277,540 km (0.119 R)
• M9: 3,707,334 km (0.084 R)
• M10: 4,280,593 km (0.109 R)
• M11: 4,595,946 km (0.1 R)
• M12: 5,196,731 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.3

Radius: 8.2

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.71 AU - 1.07 AU

Year: 569 Days

Day: 8.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,643,909 km

• M1: 102,026 km (0.099 R)
• M2: 604,525 km (0.076 R)
• M3: 1,060,200 km (0.099 R)
• M4: 1,317,957 km (0.098 R)
• M5: 1,973,495 km (0.085 R)
• M6: 2,298,571 km (0.101 R)
• M7: 2,704,131 km (0.107 R)
• M8: 3,082,015 km (0.091 R)
• M9: 3,375,078 km (0.099 R)
• M10: 3,659,014 km (0.066 R)
• M11: 5,237,272 km (0.105 R)
• M12: 5,731,543 km (0.095 R)
• M13: 6,216,540 km (0.052 R)
• M14: 6,898,407 km (0.101 R)
• M15: 7,158,408 km (0.12 R)
• M16: 7,470,020 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.4

Radius: 14.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.02 AU - 1.14 AU

Year: 761 Days

Day: 9 Hours

Environment

Temp: -181 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,643,909 km

• M1: 184,155 km (0.074 R)
• M2: 721,361 km (0.092 R)
• M3: 1,195,736 km (0.101 R)
• M4: 2,037,074 km (0.05 R)
• M5: 2,833,683 km (0.096 R)
• M6: 4,044,977 km (0.086 R)
• M7: 5,154,245 km (0.029 R)
• M8: 5,725,111 km (0.092 R)
• M9: 6,702,134 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.6

Radius: 11.8

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.71 AU - 1.77 AU

Year: 1557 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,643,909 km

• M1: 150,944 km (0.054 R)
• M2: 858,692 km (0.042 R)
• M3: 1,430,305 km (0.039 R)
• M4: 2,237,835 km (0.1 R)
• M5: 2,729,114 km (0.075 R)
• M6: 3,268,115 km (0.058 R)
• M7: 3,890,741 km (0.029 R)
• M8: 4,591,009 km (0.107 R)
• M9: 5,700,277 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.4

Radius: 12.6

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2 AU - 3.16 AU

Year: 2811 Days

Day: 7.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,643,909 km

• M1: 156,629 km (0.117 R)
• M2: 665,711 km (0.096 R)
• M3: 1,062,294 km (0.112 R)
• M4: 1,624,782 km (0.09 R)
• M5: 2,666,283 km (0.118 R)
• M6: 3,164,294 km (0.104 R)
• M7: 3,570,602 km (0.117 R)
• M8: 3,979,154 km (0.067 R)
• M9: 4,761,251 km (0.106 R)
• M10: 5,357,848 km (0.084 R)
• M11: 5,982,120 km (0.089 R)
• M12: 6,937,302 km (0.106 R)
• M13: 7,680,055 km (0.101 R)
• M14: 9,471,041 km (0.082 R)
• M15: 9,890,813 km (0.065 R)
• M16: 10,767,606 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.5

Radius: 14.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.78 AU - 4.3 AU

Year: 4517 Days

Day: 5.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,643,909 km

• M1: 177,872 km (0.114 R)
• M2: 638,933 km (0.115 R)
• M3: 1,572,423 km (0.096 R)
• M4: 2,074,623 km (0.117 R)
• M5: 2,897,412 km (0.084 R)
• M6: 4,119,477 km (0.065 R)
• M7: 5,476,479 km (0.09 R)
• M8: 6,158,496 km (0.057 R)
• M9: 6,624,343 km (0.069 R)
• M10: 7,561,724 km (0.077 R)
• M11: 9,623,332 km (0.064 R)
• M12: 10,660,195 km (0.115 R)
• M13: 11,638,266 km (0.081 R)
• M14: 12,721,953 km (0.103 R)
• M15: 13,529,482 km (0.06 R)
• M16: 15,671,424 km (0.109 R)
• M17: 16,711,429 km (0.082 R)
• M18: 17,796,761 km (0.043 R)
• M19: 20,683,402 km (0.096 R)
• M20: 22,681,580 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.2

Radius: 5.1

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.96 AU - 7.38 AU

Year: 11684 Days

Day: 16.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,643,909 km

• M1: 66,571 km (0.069 R)
• M2: 520,152 km (0.09 R)
• M3: 691,591 km (0.09 R)
• M4: 919,129 km (0.082 R)
• M5: 1,239,718 km (0.093 R)
• M6: 2,250,102 km (0.098 R)
• M7: 2,422,139 km (0.107 R)
• M8: 4,159,718 km (0.083 R)
• M9: 4,367,061 km (0.099 R)
• M10: 4,944,509 km (0.108 R)
• M11: 5,602,440 km (0.117 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 13,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit