🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.9

Radius: 12.3

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.6 AU - 0.7 AU

Year: 355 Days

Day: 6.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 74,859,616 km

• M1: 153,188 km (0.052 R)
• M2: 591,211 km (0.103 R)
• M3: 983,157 km (0.049 R)
• M4: 1,679,984 km (0.072 R)
• M5: 2,216,741 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.4

Radius: 9.8

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.81 AU - 0.85 AU

Year: 513 Days

Day: 12.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,859,616 km

• M1: 123,269 km (0.1 R)
• M2: 512,373 km (0.095 R)
• M3: 825,182 km (0.072 R)
• M4: 1,216,231 km (0.11 R)
• M5: 1,556,566 km (0.068 R)
• M6: 1,943,875 km (0.053 R)
• M7: 2,598,964 km (0.093 R)
• M8: 2,972,659 km (0.102 R)
• M9: 3,574,641 km (0.04 R)
• M10: 4,081,628 km (0.091 R)
• M11: 4,955,729 km (0.088 R)
• M12: 6,328,738 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.3

Radius: 12.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.79 AU - 0.95 AU

Year: 550 Days

Day: 13.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,859,616 km

• M1: 155,432 km (0.079 R)
• M2: 571,763 km (0.05 R)
• M3: 1,072,168 km (0.072 R)
• M4: 1,573,919 km (0.083 R)
• M5: 2,047,396 km (0.079 R)
• M6: 2,625,891 km (0.097 R)
• M7: 3,110,439 km (0.076 R)
• M8: 4,275,208 km (0.056 R)
• M9: 5,290,080 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.3

Radius: 12.1

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.75 AU - 1.87 AU

Year: 1652 Days

Day: 11.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,859,616 km

• M1: 150,495 km (0.108 R)
• M2: 624,571 km (0.118 R)
• M3: 2,740,334 km (0.074 R)
• M4: 3,943,400 km (0.09 R)
• M5: 5,115,948 km (0.12 R)
• M6: 7,114,576 km (0.057 R)
• M7: 8,109,401 km (0.087 R)
• M8: 9,066,080 km (0.108 R)
• M9: 9,488,993 km (0.067 R)
• M10: 10,339,457 km (0.114 R)
• M11: 11,314,386 km (0.087 R)
• M12: 13,446,904 km (0.047 R)
• M13: 14,170,509 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.5

Radius: 13.2

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.45 AU - 6.17 AU

Year: 8299 Days

Day: 6.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,859,616 km

• M1: 169,046 km (0.085 R)
• M2: 643,121 km (0.093 R)
• M3: 1,396,646 km (0.086 R)
• M4: 2,081,954 km (0.093 R)
• M5: 2,670,472 km (0.061 R)
• M6: 4,352,251 km (0.035 R)
• M7: 4,790,124 km (0.113 R)
• M8: 5,452,992 km (0.087 R)
• M9: 7,441,746 km (0.088 R)
• M10: 10,124,784 km (0.116 R)
• M11: 11,058,125 km (0.076 R)
• M12: 11,600,866 km (0.054 R)
• M13: 14,976,243 km (0.102 R)
• M14: 16,326,214 km (0.103 R)
• M15: 17,174,135 km (0.109 R)
• M16: 17,609,016 km (0.049 R)
• M17: 20,214,113 km (0.104 R)
• M18: 25,986,796 km (0.089 R)
• M19: 26,850,574 km (0.116 R)
• M20: 27,932,316 km (0.106 R)
• M21: 28,838,879 km (0.11 R)
• M22: 29,350,953 km (0.097 R)
• M23: 32,551,599 km (0.026 R)
• M24: 37,535,153 km (0.081 R)
• M25: 38,268,631 km (0.116 R)
• M26: 41,949,637 km (0.097 R)
• M27: 46,138,826 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.2

Radius: 5.2

Gravity: 27.12 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.06 AU - 10.3 AU

Year: 18865 Days

Day: 19 Hours

Environment

Temp: -239 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,859,616 km

• M1: 69,413 km (0.075 R)
• M2: 240,703 km (0.082 R)
• M3: 486,492 km (0.094 R)
• M4: 928,105 km (0.099 R)
• M5: 1,569,880 km (0.091 R)
• M6: 2,271,344 km (0.095 R)
• M7: 2,801,669 km (0.103 R)
• M8: 3,822,674 km (0.074 R)
• M9: 4,744,646 km (0.061 R)
• M10: 5,887,723 km (0.076 R)
• M11: 7,536,442 km (0.09 R)
• M12: 9,302,295 km (0.082 R)
• M13: 9,697,383 km (0.106 R)
• M14: 12,239,200 km (0.062 R)
• M15: 18,237,626 km (0.076 R)
• M16: 19,035,431 km (0.076 R)
• M17: 27,865,595 km (0.114 R)
• M18: 28,215,056 km (0.094 R)
• M19: 35,286,398 km (0.086 R)
• M20: 37,363,265 km (0.06 R)
• M21: 44,395,861 km (0.087 R)
• M22: 47,804,598 km (0.119 R)
• M23: 57,927,587 km (0.094 R)
• M24: 59,453,635 km (0.077 R)
• M25: 73,521,370 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 18,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit