🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.2

Radius: 13.8

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.49 AU - 0.61 AU

Year: 277 Days

Day: 8.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 138 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,484,535 km

• M1: 171,589 km (0.095 R)
• M2: 633,248 km (0.039 R)
• M3: 1,182,870 km (0.117 R)
• M4: 1,624,334 km (0.093 R)
• M5: 2,099,756 km (0.094 R)
• M6: 2,650,575 km (0.113 R)
• M7: 3,373,133 km (0.054 R)
• M8: 3,974,217 km (0.07 R)
• M9: 4,458,017 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.8

Radius: 10.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.76 AU - 0.98 AU

Year: 550 Days

Day: 9.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,484,535 km

• M1: 138,228 km (0.087 R)
• M2: 496,665 km (0.093 R)
• M3: 912,547 km (0.112 R)
• M4: 2,034,980 km (0.083 R)
• M5: 3,054,938 km (0.077 R)
• M6: 3,667,841 km (0.053 R)
• M7: 4,557,499 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.7

Radius: 13.7

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.18 AU - 1.18 AU

Year: 869 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,484,535 km

• M1: 170,990 km (0.099 R)
• M2: 743,202 km (0.116 R)
• M3: 1,479,373 km (0.084 R)
• M4: 2,136,407 km (0.1 R)
• M5: 3,372,534 km (0.073 R)
• M6: 4,271,169 km (0.087 R)
• M7: 4,955,130 km (0.113 R)
• M8: 6,196,942 km (0.1 R)
• M9: 7,341,366 km (0.117 R)
• M10: 7,822,772 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.3

Radius: 8.8

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.72 AU - 1.84 AU

Year: 1611 Days

Day: 9.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,484,535 km

• M1: 113,545 km (0.098 R)
• M2: 400,473 km (0.09 R)
• M3: 882,478 km (0.113 R)
• M4: 1,287,140 km (0.091 R)
• M5: 1,947,016 km (0.035 R)
• M6: 3,315,238 km (0.073 R)
• M7: 3,845,712 km (0.095 R)
• M8: 4,620,330 km (0.044 R)
• M9: 5,867,827 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594

Radius: 10.3

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.86 AU - 2.74 AU

Year: 2366 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 17,484,535 km

• M1: 128,205 km (0.055 R)
• M2: 509,082 km (0.095 R)
• M3: 911,201 km (0.055 R)
• M4: 1,255,725 km (0.109 R)
• M5: 1,616,704 km (0.093 R)
• M6: 2,891,577 km (0.043 R)
• M7: 3,325,561 km (0.102 R)
• M8: 3,784,078 km (0.089 R)
• M9: 4,185,000 km (0.034 R)
• M10: 4,763,795 km (0.083 R)
• M11: 5,301,599 km (0.11 R)
• M12: 5,929,611 km (0.065 R)
• M13: 6,660,546 km (0.067 R)
• M14: 7,450,273 km (0.106 R)
• M15: 8,981,258 km (0.085 R)
• M16: 9,803,298 km (0.099 R)
• M17: 10,489,055 km (0.112 R)
• M18: 11,322,464 km (0.056 R)
• M19: 16,816,446 km (0.077 R)
• M20: 17,173,985 km (0.092 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 17,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit