🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 10.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.69 AU - 0.71 AU

Year: 372 Days

Day: 10 Hours

Environment

Temp: -140 °C

Axial Tilt: 117.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,152,917 km

• M1: 130,001 km (0.1 R)
• M2: 455,526 km (0.056 R)
• M3: 931,696 km (0.08 R)
• M4: 1,313,021 km (0.088 R)
• M5: 1,659,040 km (0.089 R)
• M6: 2,286,903 km (0.115 R)
• M7: 2,832,785 km (0.112 R)
• M8: 3,720,798 km (0.114 R)
• M9: 4,210,881 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.8

Radius: 11

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.71 AU - 1.03 AU

Year: 516 Days

Day: 10.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,152,917 km

• M1: 136,882 km (0.092 R)
• M2: 587,471 km (0.071 R)
• M3: 1,042,099 km (0.118 R)
• M4: 1,421,928 km (0.07 R)
• M5: 1,808,489 km (0.084 R)
• M6: 2,457,743 km (0.087 R)
• M7: 2,995,847 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.4

Radius: 13

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.51 AU - 1.65 AU

Year: 1263 Days

Day: 8 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,152,917 km

• M1: 161,715 km (0.09 R)
• M2: 637,885 km (0.061 R)
• M3: 1,057,208 km (0.111 R)
• M4: 2,009,399 km (0.099 R)
• M5: 2,486,317 km (0.094 R)
• M6: 3,081,567 km (0.094 R)
• M7: 3,530,061 km (0.065 R)
• M8: 4,191,882 km (0.099 R)
• M9: 4,950,194 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930

Radius: 11.5

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.33 AU - 2.05 AU

Year: 1397 Days

Day: 7.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,152,917 km

• M1: 143,016 km (0.054 R)
• M2: 597,943 km (0.034 R)
• M3: 1,021,454 km (0.12 R)
• M4: 1,423,573 km (0.089 R)
• M5: 2,143,588 km (0.049 R)
• M6: 2,600,759 km (0.1 R)
• M7: 3,417,563 km (0.101 R)
• M8: 4,340,732 km (0.094 R)
• M9: 4,769,928 km (0.112 R)
• M10: 5,489,344 km (0.114 R)
• M11: 5,968,805 km (0.105 R)
• M12: 7,999,896 km (0.032 R)
• M13: 8,587,516 km (0.032 R)
• M14: 9,235,275 km (0.074 R)
• M15: 10,115,658 km (0.094 R)
• M16: 11,339,070 km (0.104 R)
• M17: 13,994,133 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975

Radius: 12.3

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.49 AU - 2.13 AU

Year: 1548 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,152,917 km

• M1: 153,039 km (0.103 R)
• M2: 540,198 km (0.12 R)
• M3: 945,459 km (0.074 R)
• M4: 1,464,264 km (0.054 R)
• M5: 3,140,957 km (0.1 R)
• M6: 3,733,664 km (0.118 R)
• M7: 4,341,629 km (0.047 R)
• M8: 5,433,095 km (0.117 R)
• M9: 5,898,644 km (0.099 R)
• M10: 7,685,142 km (0.118 R)
• M11: 9,114,998 km (0.111 R)
• M12: 10,932,164 km (0.076 R)
• M13: 11,791,603 km (0.107 R)
• M14: 14,730,304 km (0.113 R)
• M15: 15,134,817 km (0.103 R)

Asteroid Belt

Center: 2.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.7

Radius: 11.7

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.82 AU - 3.2 AU

Year: 3320 Days

Day: 12.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,152,917 km

• M1: 145,559 km (0.051 R)
• M2: 546,631 km (0.072 R)
• M3: 915,689 km (0.063 R)
• M4: 1,723,667 km (0.058 R)
• M5: 2,166,626 km (0.065 R)
• M6: 2,975,651 km (0.1 R)
• M7: 3,459,301 km (0.111 R)
• M8: 4,014,758 km (0.069 R)
• M9: 4,522,344 km (0.095 R)
• M10: 5,691,601 km (0.118 R)
• M11: 6,825,852 km (0.027 R)
• M12: 7,461,643 km (0.106 R)
• M13: 9,190,545 km (0.038 R)
• M14: 9,858,200 km (0.057 R)
• M15: 10,862,152 km (0.083 R)
• M16: 11,568,553 km (0.078 R)
• M17: 14,845,943 km (0.102 R)
• M18: 15,617,868 km (0.116 R)
• M19: 16,416,272 km (0.115 R)
• M20: 17,771,479 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.8

Radius: 12.9

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.28 AU - 6.48 AU

Year: 7934 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,152,917 km

• M1: 260,899 km (0.077 R)
• M2: 798,553 km (0.059 R)
• M3: 1,202,767 km (0.114 R)
• M4: 1,862,194 km (0.108 R)
• M5: 3,035,042 km (0.051 R)
• M6: 3,783,330 km (0.112 R)
• M7: 4,340,283 km (0.084 R)
• M8: 5,875,008 km (0.113 R)
• M9: 6,941,940 km (0.069 R)
• M10: 8,535,905 km (0.117 R)
• M11: 10,193,449 km (0.062 R)
• M12: 11,777,092 km (0.106 R)
• M13: 12,483,344 km (0.095 R)
• M14: 15,762,380 km (0.095 R)
• M15: 19,189,368 km (0.096 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: 295 - 16,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit