🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.1

Radius: 8.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.6 AU - 0.64 AU

Year: 337 Days

Day: 7.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,789,442 km

• M1: 105,766 km (0.088 R)
• M2: 565,330 km (0.088 R)
• M3: 1,221,167 km (0.079 R)
• M4: 1,686,566 km (0.064 R)
• M5: 2,364,843 km (0.119 R)
• M6: 3,414,422 km (0.098 R)
• M7: 3,876,380 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 14.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.74 AU - 0.9 AU

Year: 513 Days

Day: 15 Hours

Environment

Temp: -156 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,789,442 km

• M1: 181,612 km (0.116 R)
• M2: 667,506 km (0.074 R)
• M3: 1,309,580 km (0.106 R)
• M4: 1,896,153 km (0.082 R)
• M5: 2,416,903 km (0.038 R)
• M6: 2,983,430 km (0.042 R)
• M7: 3,615,481 km (0.109 R)
• M8: 4,454,127 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.6

Radius: 10.4

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.63 AU - 1.01 AU

Year: 513 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,789,442 km

• M1: 129,402 km (0.093 R)
• M2: 553,063 km (0.089 R)
• M3: 950,096 km (0.102 R)
• M4: 1,402,330 km (0.074 R)
• M5: 1,814,921 km (0.096 R)
• M6: 2,282,415 km (0.119 R)
• M7: 2,615,719 km (0.098 R)
• M8: 2,991,957 km (0.072 R)
• M9: 3,519,290 km (0.104 R)
• M10: 3,979,752 km (0.119 R)
• M11: 4,317,843 km (0.092 R)
• M12: 5,022,449 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.8

Radius: 9.7

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.87 AU - 1.31 AU

Year: 786 Days

Day: 13.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,789,442 km

• M1: 120,576 km (0.04 R)
• M2: 560,693 km (0.089 R)
• M3: 880,084 km (0.109 R)
• M4: 1,291,030 km (0.08 R)
• M5: 1,683,275 km (0.12 R)
• M6: 2,224,820 km (0.114 R)
• M7: 2,854,477 km (0.115 R)
• M8: 3,297,436 km (0.095 R)
• M9: 4,116,933 km (0.085 R)
• M10: 5,394,798 km (0.116 R)
• M11: 5,874,559 km (0.107 R)
• M12: 6,722,928 km (0.102 R)
• M13: 7,937,962 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 14.2

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.29 AU - 2.09 AU

Year: 1516 Days

Day: 6.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,789,442 km

• M1: 176,825 km (0.079 R)
• M2: 823,387 km (0.105 R)
• M3: 1,937,741 km (0.113 R)
• M4: 2,569,643 km (0.087 R)
• M5: 3,308,207 km (0.111 R)
• M6: 3,984,988 km (0.093 R)
• M7: 5,806,492 km (0.093 R)
• M8: 6,724,424 km (0.108 R)
• M9: 8,934,583 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 9.8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.96 AU - 5.98 AU

Year: 7648 Days

Day: 5.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,789,442 km

• M1: 121,922 km (0.086 R)
• M2: 735,872 km (0.119 R)
• M3: 1,320,949 km (0.101 R)
• M4: 1,754,334 km (0.114 R)
• M5: 3,127,044 km (0.079 R)
• M6: 5,110,413 km (0.09 R)
• M7: 5,508,343 km (0.033 R)
• M8: 7,245,174 km (0.061 R)
• M9: 8,310,311 km (0.081 R)
• M10: 10,368,329 km (0.076 R)
• M11: 11,051,244 km (0.048 R)
• M12: 11,673,122 km (0.112 R)
• M13: 12,554,104 km (0.083 R)
• M14: 17,398,382 km (0.11 R)
• M15: 18,057,361 km (0.101 R)
• M16: 18,670,861 km (0.066 R)
• M17: 19,939,451 km (0.071 R)
• M18: 21,062,183 km (0.108 R)
• M19: 23,723,380 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79

Radius: 7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.47 AU - 5.63 AU

Year: 9025 Days

Day: 24.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,789,442 km

• M1: 87,066 km (0.084 R)
• M2: 394,639 km (0.116 R)
• M3: 784,940 km (0.089 R)
• M4: 1,009,636 km (0.074 R)
• M5: 1,729,651 km (0.12 R)
• M6: 2,915,363 km (0.072 R)
• M7: 3,209,473 km (0.069 R)
• M8: 7,001,629 km (0.103 R)
• M9: 9,169,751 km (0.077 R)
• M10: 9,841,296 km (0.039 R)
• M11: 21,724,453 km (0.032 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 20,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit