🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.6

Radius: 12.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.58 AU - 0.7 AU

Year: 360 Days

Day: 11.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,316,032 km

• M1: 150,944 km (0.094 R)
• M2: 642,523 km (0.056 R)
• M3: 1,172,698 km (0.103 R)
• M4: 2,074,324 km (0.115 R)
• M5: 2,545,707 km (0.047 R)
• M6: 3,372,834 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.2

Radius: 11.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.87 AU - 0.99 AU

Year: 630 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,316,032 km

• M1: 143,016 km (0.081 R)
• M2: 594,352 km (0.082 R)
• M3: 1,019,809 km (0.097 R)
• M4: 1,787,096 km (0.095 R)
• M5: 2,676,904 km (0.081 R)
• M6: 3,261,234 km (0.101 R)
• M7: 3,704,941 km (0.038 R)
• M8: 4,188,890 km (0.025 R)
• M9: 5,268,837 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.4

Radius: 9.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.93 AU - 0.99 AU

Year: 661 Days

Day: 9.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,316,032 km

• M1: 118,182 km (0.119 R)
• M2: 835,803 km (0.063 R)
• M3: 1,341,743 km (0.087 R)
• M4: 2,011,044 km (0.102 R)
• M5: 2,494,245 km (0.032 R)
• M6: 3,914,079 km (0.107 R)
• M7: 4,870,308 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.6

Radius: 13

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.83 AU - 1.37 AU

Year: 811 Days

Day: 5.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,316,032 km

• M1: 161,715 km (0.111 R)
• M2: 781,350 km (0.055 R)
• M3: 1,227,301 km (0.112 R)
• M4: 1,805,347 km (0.088 R)
• M5: 2,583,555 km (0.106 R)
• M6: 3,332,293 km (0.04 R)
• M7: 3,845,114 km (0.116 R)
• M8: 4,394,437 km (0.112 R)
• M9: 5,172,496 km (0.074 R)
• M10: 5,785,847 km (0.052 R)
• M11: 6,636,311 km (0.112 R)
• M12: 7,293,495 km (0.119 R)
• M13: 7,755,453 km (0.079 R)
• M14: 8,585,721 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.8

Radius: 13.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.81 AU - 2.53 AU

Year: 2247 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,316,032 km

• M1: 162,912 km (0.027 R)
• M2: 1,345,034 km (0.076 R)
• M3: 2,162,736 km (0.047 R)
• M4: 2,607,042 km (0.105 R)
• M5: 3,230,416 km (0.11 R)
• M6: 3,667,242 km (0.078 R)
• M7: 4,739,111 km (0.062 R)
• M8: 5,541,255 km (0.094 R)
• M9: 6,601,754 km (0.078 R)
• M10: 7,576,384 km (0.06 R)
• M11: 8,411,739 km (0.095 R)
• M12: 12,192,974 km (0.118 R)
• M13: 12,719,858 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.5

Radius: 14.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.58 AU - 3.7 AU

Year: 3911 Days

Day: 11.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,316,032 km

• M1: 204,500 km (0.059 R)
• M2: 902,374 km (0.086 R)
• M3: 1,823,897 km (0.079 R)
• M4: 2,348,986 km (0.068 R)
• M5: 3,271,406 km (0.09 R)
• M6: 4,109,005 km (0.085 R)
• M7: 4,775,762 km (0.092 R)
• M8: 5,307,134 km (0.083 R)
• M9: 5,921,981 km (0.096 R)
• M10: 6,799,672 km (0.081 R)
• M11: 8,901,373 km (0.108 R)
• M12: 10,117,454 km (0.116 R)
• M13: 12,145,552 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.8

Radius: 6.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.77 AU - 7.43 AU

Year: 11919 Days

Day: 23 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,316,032 km

• M1: 104,719 km (0.052 R)
• M2: 1,798,017 km (0.076 R)
• M3: 3,459,600 km (0.057 R)
• M4: 4,166,151 km (0.054 R)
• M5: 4,837,846 km (0.073 R)
• M6: 6,035,676 km (0.107 R)
• M7: 8,366,411 km (0.033 R)
• M8: 10,583,152 km (0.07 R)
• M9: 12,104,861 km (0.09 R)
• M10: 14,865,989 km (0.083 R)
• M11: 17,356,794 km (0.038 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: 400 - 17,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit