🌌 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: 482.8

Radius: 8.2

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.39 AU - 0.63 AU

Year: 247 Days

Day: 9.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,404,822 km

• M1: 102,026 km (0.103 R)
• M2: 409,749 km (0.052 R)
• M3: 749,785 km (0.054 R)
• M4: 1,150,108 km (0.049 R)
• M5: 1,481,169 km (0.089 R)
• M6: 1,828,984 km (0.117 R)
• M7: 2,105,291 km (0.111 R)
• M8: 3,321,073 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.8

Radius: 9.2

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.54 AU - 0.54 AU

Year: 269 Days

Day: 13.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,404,822 km

• M1: 114,442 km (0.119 R)
• M2: 420,968 km (0.103 R)
• M3: 793,467 km (0.116 R)
• M4: 1,206,806 km (0.052 R)
• M5: 1,611,468 km (0.077 R)
• M6: 2,097,362 km (0.072 R)
• M7: 2,613,176 km (0.09 R)
• M8: 3,033,246 km (0.105 R)
• M9: 3,765,378 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 10.1

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.96 AU - 1.04 AU

Year: 678 Days

Day: 11.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,404,822 km

• M1: 125,662 km (0.102 R)
• M2: 460,911 km (0.071 R)
• M3: 799,002 km (0.101 R)
• M4: 1,173,894 km (0.049 R)
• M5: 1,627,176 km (0.109 R)
• M6: 2,398,203 km (0.099 R)
• M7: 3,048,954 km (0.11 R)
• M8: 3,409,635 km (0.11 R)
• M9: 4,295,852 km (0.029 R)
• M10: 4,938,375 km (0.099 R)
• M11: 6,031,038 km (0.053 R)
• M12: 6,353,422 km (0.101 R)
• M13: 7,188,028 km (0.063 R)
• M14: 7,550,803 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.8

Radius: 13.8

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.33 AU - 1.93 AU

Year: 1411 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,404,822 km

• M1: 172,187 km (0.104 R)
• M2: 603,927 km (0.044 R)
• M3: 1,302,399 km (0.118 R)
• M4: 1,871,170 km (0.104 R)
• M5: 2,331,782 km (0.049 R)
• M6: 3,812,053 km (0.096 R)
• M7: 4,864,474 km (0.075 R)
• M8: 5,349,021 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.3

Radius: 13.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.52 AU - 6.4 AU

Year: 8653 Days

Day: 7.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,404,822 km

• M1: 167,849 km (0.12 R)
• M2: 636,389 km (0.091 R)
• M3: 3,596,931 km (0.072 R)
• M4: 4,363,321 km (0.059 R)
• M5: 5,111,610 km (0.116 R)
• M6: 6,745,069 km (0.119 R)
• M7: 9,660,731 km (0.053 R)
• M8: 13,762,555 km (0.074 R)
• M9: 22,941,581 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.5

Radius: 12.3

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.17 AU - 6.81 AU

Year: 8725 Days

Day: 13.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,404,822 km

• M1: 153,039 km (0.09 R)
• M2: 592,557 km (0.1 R)
• M3: 1,398,740 km (0.114 R)
• M4: 1,903,035 km (0.044 R)
• M5: 2,765,317 km (0.114 R)
• M6: 3,356,079 km (0.11 R)
• M7: 4,083,124 km (0.113 R)
• M8: 6,094,916 km (0.112 R)
• M9: 9,773,827 km (0.106 R)
• M10: 11,202,038 km (0.091 R)
• M11: 16,805,825 km (0.059 R)
• M12: 18,174,945 km (0.051 R)
• M13: 23,686,728 km (0.034 R)
• M14: 30,221,163 km (0.109 R)
• M15: 39,584,943 km (0.096 R)
• M16: 45,738,651 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.5

Radius: 6.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.9 AU - 7.64 AU

Year: 13295 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,404,822 km

• M1: 84,672 km (0.042 R)
• M2: 383,868 km (0.051 R)
• M3: 643,121 km (0.072 R)
• M4: 3,233,708 km (0.111 R)
• M5: 5,133,301 km (0.08 R)
• M6: 6,138,449 km (0.11 R)
• M7: 8,755,963 km (0.088 R)
• M8: 11,713,064 km (0.064 R)
• M9: 14,259,819 km (0.075 R)
• M10: 15,998,146 km (0.119 R)
• M11: 16,684,950 km (0.089 R)
• M12: 19,116,663 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.5

Radius: 7.2

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.89 AU - 12.87 AU

Year: 22682 Days

Day: 23 Hours

Environment

Temp: -244 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 23,404,822 km

• M1: 94,097 km (0.116 R)
• M2: 321,187 km (0.06 R)
• M3: 595,848 km (0.058 R)
• M4: 3,600,073 km (0.039 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: 301 - 13,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit