🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 11.3

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.51 AU - 0.57 AU

Year: 274 Days

Day: 6.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,895,298 km

• M1: 141,370 km (0.106 R)
• M2: 585,975 km (0.094 R)
• M3: 1,032,525 km (0.084 R)
• M4: 1,410,558 km (0.105 R)
• M5: 1,882,689 km (0.092 R)
• M6: 2,530,298 km (0.089 R)
• M7: 2,887,239 km (0.108 R)
• M8: 3,256,746 km (0.086 R)
• M9: 3,943,549 km (0.111 R)
• M10: 4,533,563 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.5

Radius: 14.9

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.65 AU - 0.71 AU

Year: 387 Days

Day: 10.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,895,298 km

• M1: 185,352 km (0.045 R)
• M2: 725,250 km (0.096 R)
• M3: 1,239,718 km (0.084 R)
• M4: 1,787,395 km (0.1 R)
• M5: 2,338,664 km (0.067 R)
• M6: 2,893,522 km (0.03 R)
• M7: 3,610,096 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.9

Radius: 11.7

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.23 AU - 2.39 AU

Year: 2423 Days

Day: 8.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,895,298 km

• M1: 146,905 km (0.075 R)
• M2: 553,063 km (0.051 R)
• M3: 1,043,744 km (0.092 R)
• M4: 1,682,976 km (0.072 R)
• M5: 2,850,887 km (0.114 R)
• M6: 3,493,110 km (0.043 R)
• M7: 4,290,467 km (0.1 R)
• M8: 5,909,864 km (0.112 R)
• M9: 8,122,416 km (0.083 R)
• M10: 9,660,432 km (0.12 R)
• M11: 12,319,235 km (0.049 R)
• M12: 13,570,172 km (0.048 R)
• M13: 15,238,638 km (0.065 R)
• M14: 15,774,796 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.2

Radius: 14.5

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.91 AU - 4.17 AU

Year: 5605 Days

Day: 9.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,895,298 km

• M1: 180,415 km (0.071 R)
• M2: 737,218 km (0.095 R)
• M3: 1,270,385 km (0.089 R)
• M4: 1,752,838 km (0.061 R)
• M5: 3,142,453 km (0.026 R)
• M6: 3,859,176 km (0.116 R)
• M7: 4,949,595 km (0.055 R)
• M8: 5,979,726 km (0.099 R)
• M9: 8,008,872 km (0.078 R)
• M10: 10,463,473 km (0.101 R)
• M11: 11,840,522 km (0.061 R)
• M12: 17,677,831 km (0.09 R)
• M13: 18,941,484 km (0.111 R)
• M14: 20,850,054 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.4

Radius: 5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.22 AU - 8.84 AU

Year: 15707 Days

Day: 22.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,895,298 km

• M1: 64,327 km (0.106 R)
• M2: 608,115 km (0.105 R)
• M3: 1,970,354 km (0.059 R)
• M4: 2,148,225 km (0.055 R)
• M5: 4,270,122 km (0.093 R)
• M6: 6,914,114 km (0.085 R)
• M7: 11,027,757 km (0.119 R)
• M8: 12,681,262 km (0.054 R)
• M9: 16,750,773 km (0.109 R)
• M10: 23,681,493 km (0.067 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 19,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit