🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.3

Radius: 11.1

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.68 AU - 1.13 AU

Year: 600 Days

Day: 12.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,866,657 km

• M1: 138,079 km (0.058 R)
• M2: 532,419 km (0.074 R)
• M3: 1,264,252 km (0.117 R)
• M4: 1,705,565 km (0.084 R)
• M5: 2,307,996 km (0.073 R)
• M6: 2,837,722 km (0.114 R)
• M7: 3,486,678 km (0.099 R)
• M8: 4,337,889 km (0.047 R)
• M9: 4,995,671 km (0.052 R)
• M10: 5,393,153 km (0.108 R)
• M11: 5,886,676 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.9

Radius: 9.7

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.85 AU - 2.45 AU

Year: 2216 Days

Day: 9.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 157.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,866,657 km

• M1: 120,576 km (0.12 R)
• M2: 475,272 km (0.08 R)
• M3: 853,905 km (0.104 R)
• M4: 1,271,283 km (0.087 R)
• M5: 1,932,655 km (0.03 R)
• M6: 2,329,239 km (0.079 R)
• M7: 2,651,323 km (0.086 R)
• M8: 3,453,317 km (0.085 R)
• M9: 4,884,670 km (0.068 R)
• M10: 6,782,618 km (0.113 R)
• M11: 7,911,035 km (0.111 R)
• M12: 12,324,022 km (0.111 R)
• M13: 14,260,716 km (0.056 R)
• M14: 15,628,190 km (0.065 R)
• M15: 15,959,550 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 14.8

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.5 AU - 4.44 AU

Year: 5560 Days

Day: 11.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,866,657 km

• M1: 191,186 km (0.092 R)
• M2: 1,644,978 km (0.067 R)
• M3: 2,168,720 km (0.051 R)
• M4: 2,667,928 km (0.102 R)
• M5: 3,342,166 km (0.108 R)
• M6: 4,037,796 km (0.044 R)
• M7: 6,947,475 km (0.1 R)
• M8: 9,107,070 km (0.065 R)
• M9: 11,223,730 km (0.074 R)
• M10: 17,064,180 km (0.11 R)
• M11: 18,171,354 km (0.116 R)
• M12: 21,428,549 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.8

Radius: 9

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.65 AU - 6.15 AU

Year: 8821 Days

Day: 14 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,866,657 km

• M1: 113,395 km (0.105 R)
• M2: 663,766 km (0.101 R)
• M3: 1,078,301 km (0.063 R)
• M4: 1,560,605 km (0.115 R)
• M5: 1,892,563 km (0.092 R)
• M6: 2,364,694 km (0.091 R)
• M7: 2,680,495 km (0.056 R)
• M8: 3,047,009 km (0.096 R)
• M9: 3,422,201 km (0.095 R)
• M10: 4,497,211 km (0.102 R)
• M11: 5,080,643 km (0.096 R)
• M12: 5,542,003 km (0.047 R)
• M13: 6,212,650 km (0.088 R)
• M14: 9,891,561 km (0.037 R)
• M15: 11,311,544 km (0.047 R)
• M16: 11,813,744 km (0.051 R)
• M17: 12,389,247 km (0.051 R)
• M18: 14,681,834 km (0.11 R)
• M19: 15,279,627 km (0.118 R)
• M20: 17,025,434 km (0.102 R)
• M21: 17,984,058 km (0.113 R)
• M22: 22,878,750 km (0.074 R)
• M23: 23,954,209 km (0.091 R)
• M24: 26,986,409 km (0.099 R)
• M25: 28,288,209 km (0.112 R)
• M26: 35,667,723 km (0.103 R)
• M27: 36,144,940 km (0.098 R)
• M28: 37,479,353 km (0.102 R)
• M29: 42,209,039 km (0.088 R)
• M30: 45,201,894 km (0.101 R)
• M31: 46,607,965 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.4

Radius: 4.9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.76 AU - 12.42 AU

Year: 22529 Days

Day: 15.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 52.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,866,657 km

• M1: 78,090 km (0.08 R)
• M2: 781,350 km (0.104 R)
• M3: 1,906,924 km (0.109 R)
• M4: 2,181,735 km (0.041 R)
• M5: 2,443,382 km (0.036 R)
• M6: 2,622,451 km (0.067 R)
• M7: 3,007,216 km (0.114 R)
• M8: 4,683,909 km (0.038 R)
• M9: 6,667,128 km (0.113 R)
• M10: 8,411,439 km (0.105 R)
• M11: 11,901,109 km (0.076 R)
• M12: 19,120,553 km (0.088 R)
• M13: 22,056,261 km (0.066 R)
• M14: 24,537,492 km (0.08 R)
• M15: 33,762,444 km (0.069 R)
• M16: 36,923,746 km (0.109 R)
• M17: 39,514,632 km (0.118 R)
• M18: 44,233,846 km (0.077 R)
• M19: 47,723,366 km (0.098 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 15,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit