🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.61 AU - 2.47 AU

Year: 1330 Days

Day: 40.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.9

Radius: 8.7

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.97 AU - 2.59 AU

Year: 1572 Days

Day: 12 Hours

Environment

Temp: -139 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 11,163,859 km

• M1: 108,608 km (0.112 R)
• M2: 490,232 km (0.108 R)
• M3: 1,393,205 km (0.099 R)
• M4: 1,746,106 km (0.074 R)
• M5: 2,790,000 km (0.102 R)
• M6: 3,106,400 km (0.068 R)
• M7: 4,256,359 km (0.095 R)
• M8: 4,849,963 km (0.109 R)
• M9: 5,518,665 km (0.094 R)
• M10: 6,201,580 km (0.079 R)
• M11: 7,922,853 km (0.045 R)
• M12: 8,791,418 km (0.109 R)
• M13: 9,263,848 km (0.06 R)
• M14: 9,909,513 km (0.114 R)
• M15: 10,388,824 km (0.071 R)
• M16: 11,920,108 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.6

Radius: 9.7

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.11 AU - 2.75 AU

Year: 1729 Days

Day: 14 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,163,859 km

• M1: 120,725 km (0.11 R)
• M2: 576,101 km (0.119 R)
• M3: 1,026,391 km (0.102 R)
• M4: 1,598,752 km (0.076 R)
• M5: 2,101,252 km (0.03 R)
• M6: 2,408,975 km (0.11 R)
• M7: 3,652,881 km (0.118 R)
• M8: 4,074,747 km (0.119 R)
• M9: 4,387,855 km (0.116 R)
• M10: 4,940,619 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.4

Radius: 13.3

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.25 AU - 2.91 AU

Year: 1892 Days

Day: 12.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 11,163,859 km

• M1: 166,951 km (0.116 R)
• M2: 590,612 km (0.106 R)
• M3: 1,013,376 km (0.074 R)
• M4: 2,378,905 km (0.034 R)
• M5: 4,071,306 km (0.111 R)
• M6: 7,304,266 km (0.091 R)
• M7: 7,882,910 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.9

Radius: 13.1

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.59 AU - 3.53 AU

Year: 2444 Days

Day: 13 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,163,859 km

• M1: 165,306 km (0.061 R)
• M2: 667,655 km (0.09 R)
• M3: 1,112,859 km (0.057 R)
• M4: 1,924,128 km (0.069 R)
• M5: 4,167,198 km (0.064 R)
• M6: 4,730,135 km (0.116 R)
• M7: 5,525,248 km (0.074 R)
• M8: 6,895,115 km (0.069 R)
• M9: 7,996,904 km (0.103 R)
• M10: 9,097,495 km (0.051 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: 371 - 12,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit